Mr John Spratt

Mr John Spratt

Head of Analysis

Department: Core Research Laboratories
Division: Imaging and Analysis Centre
Specialisms: EDX, Electron Probe Microanalysis, Energy dispersive X-ray spectroscopy, WDX, Wavelength dispersive X-ray spectroscopy

Summary

Areas of responsibilities:

Cameca SX100 electron microprobe.

The determination by electron probe microanalysis of elemental composition in regard to mineral and synthetic materials.

Spatial mapping of element concentration.

Philosophy for collection, compilation, and statistical reporting of microprobe data.

Training and supervision of users.

Undertake research projects in collaboration with Museum and external workers.

Undertake contract work.

Fieldwork

Russia
2016 - 2016.

Publications

Missen OP, Mills SJ, Rumsey MS, Weil M, Artner W, Spratt J, Najorka J (2022) Crystal structure and investigation of Bi2TeO6·nH2O (0 ≤ n ≤ $${\raise0.5ex\hbox{$\scriptstyle 2$} \kern-0.1em/\kern-0.15em \lower0.25ex\hbox{$\scriptstyle 3$}}$$): natural and synthetic montanite. Physics and Chemistry of Minerals, 49 (7) : doi: 10.1007/s00269-022-01198-2

Belogub EV, Shilovskikh VV, Rassomakhin MA, Plotinskaya OY, Savichev AN, Filippova KA, Kirichenko S, Spratt J, Seltmann R (2022) Scroll-like and platy molybdenite-3R from the Ufaley metamorphic block, South Urals: EBSD, XRD, SEM, EPMA and ICP-MS study. Mineralogical Magazine, 86 (3) : 422 - 435. doi: 10.1180/mgm.2022.35

Rumsey MS, Hawthorne FC, Spratt J, Najorka J, Montgomery W (2022) Bridgesite-(Ce), a new rare earth element sulfate, with a unique crystal structure, from Tynebottom Mine, Cumbria, United Kingdom. Mineralogical Magazine, 86 (4) : 570 - 576. doi: 10.1180/mgm.2022.41

(2022) The first occurrence of the carbide anion, C4–, in an oxide mineral: Mikecoxite, ideally (CHg4)OCl2, from the McDermitt open-pit mine, Humboldt County, Nevada, U.S.A.. American Mineralogist, doi: 10.2138/am-2022-8408

Heard R, Spratt J, King A, Rumsey M, Russell S, Mohr-Westheide T, Salge T (2022) SEM/EDS that is out of this world! Enhancing low voltage quantification for extra terrestrial samples. INTERM 2022, 224 4 - 22 4 4

Missen OP, Mills SJ, Canossa S, Hadermann J, Nénert G, Weil M, Libowitzky E, Housley RM, Artner W, Kampf AR, Rumsey MS, Spratt J, Momma K, Dunstan MA (2022) Polytypism in mcalpineite: a study of natural and synthetic Cu3TeO6. Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials, 78 (1) : 20 - 32. doi: 10.1107/s2052520621013032

Missen OP, Mills SJ, Rumsey MS, Spratt J, Najorka J, Kampf AR, Thorne B (2022) The new mineral tomiolloite, Al12(Te4+O3)5[(SO3)0.5(SO4)0.5](OH)24: A unique microporous tellurite structure. American Mineralogist, 107 (12) : 2167 - 2175. doi: 10.2138/am-2022-8368

Müller A, Romer RL, Augland LE, Zhou H, Rosing-Schow N, Spratt J, Husdal T (2022) Two-stage regional rare-element pegmatite formation at Tysfjord, Norway: implications for the timing of late Svecofennian and late Caledonian high-temperature events. International Journal of Earth Sciences, 111 (3) : 987 - 1007. doi: 10.1007/s00531-022-02166-5

Perova E, Zaitsev A, Spratt J, Vlasenko N, Platonova NV, Bubnova O (2022) Thermodynamic analysis of primary and secondary minerals stability in melilite-nephelinite tuff with Australopithecus Afarensis footprints, Laetoli, Tanzania. Vestnik of Saint Petersburg University. Earth Sciences, 67 (2) : 227 - 242. doi: 10.21638/spbu07.2022.202

Heard R, Salge T, Spratt J, Russell S (2021) Quantifying platinum group elements (PGEs): A novel scanning electron microscope and energy dispersive spectrometry (SEM/EDS) approach to analysing terrestrial and extra-terrestrial samples. RMS - Microscopy and Microanalysis in Geological and Archaeological Sciences, 911 11 - 9 11 11

Missen OP, Mills SJ, Kampf AR, Coolbaugh MF, Najorka J, Rumsey MS, Marty J, Spratt J, Raudsepp M, McCormack JK (2021) Wildcatite, CaFe3+Te6+O5(OH), the second new tellurate mineral from the Detroit district, Juab County, Utah. The Canadian Mineralogist, 59 (4) : 729 - 739. doi: 10.3749/canmin.2000092

Perna M, Zaccaria D, Rosatelli G, Stoppani F, Curti E, Spratt J, Humphreys-Williams E, Najorka J, Brownscombe W, Nestola F, Stoppa F (null) Dissolution-Repackaging of Hellandite-(Ce), Mottanaite-(Ce)/Ferri-Mottanaite-(Ce). Minerals, 11 (6) : 610 - 610. doi: 10.3390/min11060610

Rumsey MS, Welch MD, Spratt J, Kleppe AK, Števko M (null) Kernowite, Cu2Fe(AsO4)(OH)4⋅4H2O, the Fe3+-analogue of liroconite from Cornwall, UK. Mineralogical Magazine, 1 - 8. doi: 10.1180/mgm.2021.40

Welch MD, Najorka J, Rumsey MS, Spratt J (2021) The Hexagonal ↔ Orthorhombic Structural Phase Transition in Claringbullite, Cu4FCl(OH)6. The Canadian Mineralogist, 59 (1) : 265 - 285. doi: 10.3749/canmin.2000041

Zaitsev AN, Arzamastsev AA, Marks MAW, Braunger S, Wenzel T, Spratt J, Salge T, Markl G (2021) Hybridization of Alkali Basaltic Magmas: a Case Study of the Ogol Lavas from the Laetoli Area, Crater Highlands (Tanzania). Journal of Petrology, 62 (8) : doi: 10.1093/petrology/egab035

Mills SJ, Kartashov PM, Kampf AR, Rumsey MS, Ma C, Stanley CJ, Spratt J, Rossman GR, Novgorodova MI (2021) Native tungsten from the Bol'shaya Pol'ya river valley and Mt Neroyka, Russia. Mineralogical Magazine, 85 (1) : 76 - 81. doi: 10.1180/mgm.2021.7

Missen OP, Mills SJ, Rumsey MS, Back ME, Di Cecco VE, Birch WD, Spratt J (2021) The crystal structure and redefinition of utahite. Mineralogy and Petrology, 115 (4) : 477 - 486. doi: 10.1007/s00710-021-00746-y

Zaitsev AN, Spratt J, Shtukenberg AG, Zolotarev AA, Britvin SN, Petrov SV, Kuptsova AV, Antonov AV (2021) Oscillatory- and sector-zoned pyrochlore from carbonatites of the Kerimasi volcano, Gregory rift, Tanzania. Mineralogical Magazine, 85 (4) : 532 - 553. doi: 10.1180/mgm.2020.101

Rumsey MS, Welch MD, Spratt J, Kleppe AK (2020) Grguricite, CaCr2(CO3)2(OH)4.4H2O, a new alumohydrocalcite analogue. Mineralogical Magazine, 84 (5) : 778 - 784. doi: 10.1180/mgm.2020.66

Plotinskya OP, Abramova VD, Bondar D, Seltmann REIMAR, Spratt J (2019) Porphyry Cu(Mo) deposits of the Urals: insights from molybdenite trace element geochemistry. Proceedings of the 15th SGA Biennial Meeting 3 : The Society for Geology Applied to Mineral Deposits : 1019 - 1022.

Tuffield L, Buret Y, Large S, Spratt J, Wilkinson JJ (2020) Zircon-hosted apatite inclusions: A powerful tool for reconstruction of Cl contents in melts. Mineral Deposits Studies Group 43rd Annual Meeting 2020, 6-8th January, Mineral Deposits Studies Group :

Drivenes K, Brownscombe W, Larsen RB, Seltmann R, Spratt J, Sørensen BE (2020) Classification and characterisation of magmatic-hydrothermal tourmaline by combining field observations and microanalytical techniques. IOP Conference Series: Materials Science and Engineering 891 (1) : IOP Publishing : 012010 - 012010. doi: 10.1088/1757-899x/891/1/012010

Missen OP, Rumsey MS, Mills SJ, Weil M, Najorka J, Spratt J, Kolitsch U (2021) Elucidating the natural–synthetic mismatch of Pb2+Te4+O3: The redefinition of fairbankite to Pb122+(Te4+O3)11(SO4). American Mineralogist, 106 (2) : 309 - 316. doi: 10.2138/am-2020-7536

Missen O, Rumsey M, Kampf AR, Mills SJ, Back ME, Spratt J (2019) The discreditation of oboyerite and a note on the crystal structure of plumbotellurite. MINERALOGICAL MAGAZINE, 83 (6) : 791 - 797. doi: 10.1180/mgm.2019.63

Plotinskaya OY, Shilovskikh VV, Najorka J, Kovalchuk EV, Seltmann R, Spratt J (2019) Grain-scale distribution of molybdenite polytypes versus rhenium contents: mu XRD and EBSD data. MINERALOGICAL MAGAZINE, 83 (5) : 639 - 644. doi: 10.1180/mgm.2019.49

Siidra OI, Nazarchuk EV, Zaitsev AN, Polekhovsky YS, Wenzel T, Spratt J (2019) Dokuchaevite, Cu8O2(VO4)(3)Cl-3, a new mineral with remarkably diverse Cu2+ mixed-ligand coordination environments. MINERALOGICAL MAGAZINE, 83 (5) : 749 - 755. doi: 10.1180/mgm.2019.41

Zaitsev AN, McHenry L, Savchenok AI, Strekopytov S, Spratt J, Humphreys-Williams E, Sharygin VV, Bogomolov ES, Chakhmouradian AR, Zaitseva OA, Arzamastsev AA, Reguir EP, Leach L, Leach M, Mwankunda J (2019) Stratigraphy, mineralogy and geochemistry of the Upper Laetolil tuffs including a new tuff 7 site with footprints of Australopithecus afarensis, Laetoli, Tanzania. JOURNAL OF AFRICAN EARTH SCIENCES, 158 : doi: 10.1016/j.jafrearsci.2019.103561

Smith M, Cangelosi D, Yardley B, Wenlei SONGCX, Spratt J (2019) Mechanisms for the generation of HREE mineralization in carbonatites: Evidence from Huanglongpu, China.. 15th Biennial Meeting of the Society for Geology Applied to Mineral Deposit. Glasgow 27 - 30 August, 2019, Proceedings of the 15th SGA Biennial Meeting The Society for Geology Applied to Mineral Deposits :

Suttle MD, Twegar K, Nava J, Spiess R, Spratt J, Campanale F, Folco L (2019) A unique CO-like micrometeorite hosting an exotic Al-Cu-Fe-bearing assemblage - close affinities with the Khatyrka meteorite. SCIENTIFIC REPORTS, 9 : doi: 10.1038/s41598-019-48937-0

Missen OP, Kampf AR, Mills SJ, Housley RM, Spratt J, Welch MD, Coolbaugh MF, Marty J, Chorazewicz M, Ferraris C (2019) The crystal structures of the mixed-valence tellurium oxysalts tlapallite, (Ca,Pb)(3)CaCu6[Te34+Te6+O12](2)(Te4+O3)(2)(SO4)(2)center dot 3H(2)O, and carlfriesite, CaTe24+ Te6+O8. MINERALOGICAL MAGAZINE, 83 (4) : 539 - 549. doi: 10.1180/mgm.2019.9

Russell SS, Spratt J, King AJ (2019) THE PETROLOGY AND GEOCHEMISTRY OF CY CHONDRITES: A STUDY OF YAMATO 82162 AND YAMATO 980115. METEORITICS & PLANETARY SCIENCE 54 :

Cooper MA, Hawthorne FC, Roberts AC, Stanley CJ, Spratt J, Christy AG (2019) GAILDUNNINGITE, IDEALLY Hg(3)(2+)3[NHg22+](18)(Cl,I)(24), A NEW MINERAL FROM THE CLEAR CREEK MINE, SAN BENITO COUNTY, CALIFORNIA, USA: DESCRIPTION AND CRYSTAL STRUCTURE. CANADIAN MINERALOGIST, 57 (3) : 295 - 310. doi: 10.3749/canmin.1800080

Missen OP, Mills SJ, Spratt J (2019) Crystal chemistry of zemannite-type structures: II. Synthetic sodium zemannite. EUROPEAN JOURNAL OF MINERALOGY, 31 (3) : 529 - 536. doi: 10.1127/ejm/2019/0031-2834

Missen OP, Mills SJ, Spratt J, Birch WD, Brugger J (2019) Crystal chemistry of zemannite-type structures: I. A re-examination of zemannite from Moctezuma, Mexico. EUROPEAN JOURNAL OF MINERALOGY, 31 (3) : 519 - 527. doi: 10.1127/ejm/2019/0031-2806

Welch MD, Stanley CJ, Spratt J, Mills SJ (2018) Rozhdestvenskayaite Ag10Zn2Sb4S13 and argentotetrahedrite Ag6Cu4(Fe2+,Zn)(2)Sb4S13: two Ag-dominant members of the tetrahedrite group. EUROPEAN JOURNAL OF MINERALOGY, 30 (6) : 1163 - 1172. doi: 10.1127/ejm/2018/0030-2773

Drivenes K, Brownscombe W, Larsen RB, Seltmann R, Spratt J, Sorensen BE (2018) COMBINING OPTICAL PROPERTIES, MINERAL CHEMISTRY, MICROTEXTURES, AND FIELD RELATIONS OF TOURMALINE TO TRACK THE MAGMATIC-HYDROTHERMAL TRANSITION. GSA Annual Meeting in Indianapolis, Indiana, USA - 2018, Geological Society of America Abstracts with Programs Geological Society of America : doi: 10.1130/abs/2018am-323616

Drivenes K, Sorensen BE, Brownscombe W, Raanes MP, Seltmann R, Spratt J (2018) ZONED CASSITERITE FROM SW ENGLAND – AN EXAMPLE OF ORTHOROMBIC OR MONOCLINIC SNO2?. GSA Annual Meeting in Indianapolis, Indiana, USA - 2018, Geological Society of America Abstracts with Programs Geological Society of America : doi: 10.1130/abs/2018am-323742

Muller A, Spratt J, Thomas R, Williamson BJ, Seltmann R (2018) ALKALI-F-RICH ALBITE ZONES IN EVOLVED NYF PEGMATITES: THE PRODUCT OF MELT-MELT IMMISCIBILITY. CANADIAN MINERALOGIST, 56 (4) : 657 - 687. doi: 10.3749/canmin.1700087

Siidra OI, Nekrasova DO, Turner R, Zaitsev AN, Chukanov NV, Polekhovsky YS, Spratt J, Rumsey MS (2018) Somersetite, Pb8O(OH)(4)(CO3)(5), a new complex hydrocerussite-related mineral from the Mendip Hills, England. MINERALOGICAL MAGAZINE, 82 (5) : 1211 - 1224. doi: 10.1180/minmag.2017.081.087

Drivenes K, Sorensen BE, Brownscombe W, Raanes MP, Seltmann R, Spratt J (null) Zoning in Cassiterite – A Multianalytical approach. EMAS 2018 Microbeam Analysis in the Earth Sciences 4-7th September 2018 University Bristol., 49 9 - 4 9 9

Salge T, Spratt J, Russel S, Neumann R, Mohr-Westheide T, Greshake A, Reimold WU, Ferriere L, Cox MA, Daly L (null) Macro-micro-nanoscale SEM/EDS of earth and planetary materials. EMAS 2018 Microbeam Analysis in the Earth Sciences 4-7th September 2018 University Bristol., 49 9 - 4 9 9

Spratt J, Buret Y, Armstrong R, Rumsey MS (null) A Comparison of the stoichiometeric calculation of H, Li, Be, B and O WT% values by EPMA with values obtained by LA-ICPMS from a suite of 15 minerals.. EMAS 2018 Microbeam Analysis in the Earth Sciences 4-7th September 2018 University Bristol., 49 9 - 4 9 9

Missen OP, Mills SJ, Brugger J, Welch MD, Spratt J, Rumsey MS, Birch WD, Vylita J, Thorne B, Momma K (null) Rich structural and chemical variation in secondary tellurium minerals, old and new.. XXII Meeting of the International Mineralogical Association, Melbourne Australia, 13-17th August 2018, 138 8 - 13 8 8

Muller A, Spratt J, Thomas R, Williamson BJ, Seltmann REIMAR (2018) Alkali-rich replacement zones in evolved NYF pegmatites: metasomatic fluids or immiscible melts?. XXII Meeting of the International Mineralogical Association, Melbourne Australia, 13-17th August 2018, IMA2018 Abstract book International Mineralogical Association :

Rumsey MS, Hawthorne F, Bridges T, Spratt J (null) A novel hydrated copper(II), calcium, rare earth sulfate from the United Kingdom with a new structure topology.. XXII Meeting of the International Mineralogical Association, Melbourne Australia, 13-17th August 2018, 138 8 - 13 8 8

Rumsey MS, Hawthorne F, Spratt J (null) A novel hydrated copper(II), calcium, rare earth sulfate from the United Kingdom with a new structure topology.. XXII Meeting of the International Mineralogical Association, Melbourne Australia, 13-17th August 2018, 138 8 - 13 8 8

Plotinskaya OY, Abramova VD, Groznova EO, Tessalina SG, Seltmann R, Spratt J (2018) Trace-element geochemistry of molybdenite from porphyry Cu deposits of the Birgilda-Tomino ore cluster (South Urals, Russia). MINERALOGICAL MAGAZINE, 82 : S281 - S306. doi: 10.1180/minmag.2017.081.106

McFall KA, Naden J, Roberts S, Baker T, Sprott J, McDonald L (2018) Platinum-group minerals in the Skouries Cu-Au (Pd, Pt, Te) porphyry deposit. ORE GEOLOGY REVIEWS, 99 : 344 - 364. doi: 10.1016/j.oregeorev.2018.06.014

Missen OP, Mills SJ, Spratt J, Welch MD, Birch WD, Rumsey MS, Vylita J (2018) The crystal-structure determination and redefinition of eztlite, Pb22+Fe33+(Te4+O3)(3)(SO4)O2Cl. MINERALOGICAL MAGAZINE, 82 (6) : 1355 - 1367. doi: 10.1180/mgm.2018.108

Sedova AM, Zaitsev AN, Spratt J (2018) The mineralogy of the effusive silicate rocks from the Mosonik volcano, Northern Tanzania.. International Conference on Magmatism of the Earth and Related Strategic Metal Deposits, Vernadsky Institute of Geochemistry and Anlytical Chemistry of Russian Academy of Sciences (GEOKHI RAS) :

Smith M, Kynicky J, Xu C, Song W, Spratt J, Jeffries T, Brtnicky M, Kopriva A, Cangelosi D (2018) The origin of secondary heavy rare earth element enrichment in carbonatites: Constraints from the evolution of the Huanglongpu district, China. Lithos, 308-309 : 65 - 82. doi: 10.1016/j.lithos.2018.02.027

Plotinskaya OY, Azovskova OB, Abramov SS, Groznova EO, Novoselov KA, Seltmann R, Spratt J (2018) Precious metals assemblages at the Mikheevskoe porphyry copper deposit (South Urals, Russia) as proxies of epithermal overprinting. ORE GEOLOGY REVIEWS, 94 : 239 - 260. doi: 10.1016/j.oregeorev.2018.01.025

Rumsey MS, Welch MD, Kleppe AK, Spratt J (2017) Siidraite, Pb2Cu(OH)(2)I-3, from Broken Hill, New South Wales, Australia: the third halocuprate(I) mineral. EUROPEAN JOURNAL OF MINERALOGY, 29 (6) : 1027 - 1030. doi: 10.1127/ejm/2017/0029-2676

Missen OP, Mills SJ, Welch MD, Spratt J, Rumsey MS, Birch WD, Brugger J (2018) The crystal structure of cesbronite, Cu3TeO4(OH)(4): a novel sheet tellurate topology. ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE CRYSTAL ENGINEERING AND MATERIALS, 74 : 24 - 31. doi: 10.1107/S205252061701647X

Kearsley AT, Colaux JL, Ross DK, Wozniakiewicz PJ, Gerlach L, Anz-Meador P, Griffin T, Reed B, Opiela J, Palitsin VV, Grime GW, Webb RP, Jeynes C, Spratt J, Salge T, Cole MJ, Price MC, Burchell MJ (2017) Hypervelocity impact in low earth orbit: finding subtle impactor signatures on the Hubble Space Telescope. Procedia Engineering, 204 : 492 - 499. doi: 10.1016/j.proeng.2017.09.746

Andrade MB, Atencio D, Menezes Filho LAD, Spratt J (2018) Melcherite, trigonal Ba2Na2Mg[Nb6O19]center dot 6H(2)O, the second natural hexaniobate, from Cajati, Sao Paulo, Brazil: Description and crystal structure. MINERALOGICAL MAGAZINE, 82 (1) : 111 - 120. doi: 10.1180/minmag.2017.081.026

Zaitsev AN, Zhitova ES, Spratt J, Zolotarev AA, Krivovichev SV (2017) Isolueshite, NaNbO3, from the Kovdor carbonatite, Kola peninsula, Russia: composition, crystal structure and possible formation scenarios. NEUES JAHRBUCH FUR MINERALOGIE-ABHANDLUNGEN, 194 (2) : 165 - 173. doi: 10.1127/njma/2017/0052

Mills SJ, Christya AG, Rumsey MS, Spratt J, Bittarello E, Favreau G, Ciriotti ME, Berbain C (2017) Hydroxyferroromeite, a new secondary weathering mineral from Oms, France. EUROPEAN JOURNAL OF MINERALOGY, 29 (2) : 307 - 314. doi: 10.1127/ejm/2017/0029-2594

Kearsley AT, Colaux JL, Wozniakiewicz PJ, Gerlach L, Anz-Meador P, Liou JC, Griffin T, Reed B, Opiela J, Palitsin VV, Grime GW, Webb RP, Jeynes C, Spratt J, Cole MJ, Price MC, Burchell MJ (null) HYPERVELOCITY IMPACT IN LOW EARTH ORBIT: FINDING SUBTLE IMPACTOR SIGNATURES ON THE HUBBLE SPACE TELESCOPE. HVIS 2017 - 14th Hypervelocity Impact Symposium, 244 4 - 24 4 4

Yeats CJ, Hollis SP, Halfpenny A, Corona J-C, LaFlamme C, Southam G, Fiorentini M, Herrington RJ, Spratt J (2017) Actively forming Kuroko-type volcanic-hosted massive sulfide (VHMS) mineralization at Iheya North, Okinawa Trough, Japan. ORE GEOLOGY REVIEWS, 84 : 20 - 41. doi: 10.1016/j.oregeorev.2016.12.014

Russell SS, Bodenan J-D, Starkey NA, Jeffries TE, Kearsley A, Spratt J, Armytage RMG, Franchi IA (2017) Relationship between CAIs and chondrules: A case study of a compound chondrule from the Allende (CV3) meteorite. GEOCHEMICAL JOURNAL, 51 (1) : 31 - 43. doi: 10.2343/geochemj.2.0445

Rumsey MS, Welch MD, Mo F, Kleppe AK, Spratt J, Kampf AR, Raanes MP (2018) Millsite, CuTeO3 center dot 2H(2)O: a new polymorph of teineite from Graurdfjellet, Oppdal, Norway. MINERALOGICAL MAGAZINE, 82 (2) : 433 - 444. doi: 10.1180/minmag.2017.081.057

Strekopytov S, Brownscombe W, Lapinee C, Sykes D, Spratt J, Jeffries TE, Jones CG (2017) Arsenic and mercury in bird feathers: Identification and quantification of inorganic pesticide residues in natural history collections using multiple analytical and imaging techniques. MICROCHEMICAL JOURNAL, 130 : 301 - 309. doi: 10.1016/j.microc.2016.10.009

Mills SJ, Christy AG, Rumsey MS, Spratt J (2016) The crystal chemistry of elsmoreite from the Hemerdon (Drakelands) mine, UK: hydrokenoelsmoreite-3C and hydrokenoelsmoreite-6R. MINERALOGICAL MAGAZINE, 80 (7) : 1195 - 1203. doi: 10.1180/minmag.2016.080.058

Mills SJ, Christy AG, Rumsey MS, Spratt J (2016) Discreditation of partzite. EUROPEAN JOURNAL OF MINERALOGY, 28 (5) : 1019 - 1024. doi: 10.1127/ejm/2016/0028-2566

Jaszczak JA, Rumsey MS, Bindi L, Hackney SA, Wise MA, Stanley CJ, Spratt J (2016) Merelaniite, Mo4Pb4VSbS15, a New Molybdenum-Essential Member of the Cylindrite Group, from the Merelani Tanzanite Deposit, Lelatema Mountains, Manyara Region, Tanzania. MINERALS, 6 (4) : doi: 10.3390/min6040115

Bhatia R, Wade B, Hilding-Kronforst S, Spratt J, Leng M, Thornalley D (2016) P-077 -Detecting foraminiferal photosymbionts in the fossil record: a combined micropalaeontological and geochemical approach.. Presented at 12th International Conference on Paleoceanography (ICP12). Utrecht Nedetherlands August 29th – September 2nd.

Salge T, Kearsley AT, Wozniakiewicz PJ, Spratt J, Goral T, Terborg R (2016) Damage in Orbit: EDS Imagery of Hubble Space Telescope Impact Craters. EMAS 2016 - 12th Regional Workshop on ELECTRON PROBE MICROANALYSIS OF MATERIALS TODAY - PRACTICAL ASPECTS, 85 5 - 8 5 5

Mondillo N, Boni M, Balassone G, Spoleto S, Stellato F, Marino A, Santoro L, Spratt J (2016) Rare earth elements (REE)-Minerals in the Silius fluorite vein system (Sardinia, Italy). ORE GEOLOGY REVIEWS, 74 : 211 - 224. doi: 10.1016/j.oregeorev.2015.11.016

Yeats C, Hollis S, LaFlamme C, Halfpenny A, Fiorentini M, Corona J-C, Southam G, Herrington R, Spratt J (2016) Actively forming Kuroko-type VMS mineralisation at Iheya North, Okinawa Trough, Japan: New geochemical, petrographic and δ34S isotope results. Applied Earth Science 125 (2) : Informa UK Limited : 99 - 99. doi: 10.1080/03717453.2016.1166680

Najorka J, Lewis JMT, Spratt J, Sephton MA (2016) Single-crystal X-ray diffraction study of synthetic sodium-hydronium jarosite. PHYSICS AND CHEMISTRY OF MINERALS, 43 (5) : 377 - 386. doi: 10.1007/s00269-016-0802-0

Turner RW, Siidra OI, Rumsey MS, Polekhovsky YS, Kretser YL, Krivovichev SV, Spratt J, Stanley CJ (2015) Yeomanite, Pb2O(OH)Cl, a new chain-structured Pb oxychloride from Merehead Quarry, Somerset, England. MINERALOGICAL MAGAZINE, 79 (5) : 1203 - 1211. doi: 10.1180/minmag.2015.079.5.14

Turner RW, Siidra OI, Rumsey MS, Polekhovsky YS, Kretser YL, Krivovichev SV, Spratt J, Stanley CJ (2015) Yeomanite, Pb2O(OH)Cl, a new chain-structured Pb oxychloride from Merehead Quarry, Somerset, England. Mineralogical Magazine, 79 (5) : 1203 - 1211. doi: 10.1180/minmag.2015.079.5.14

Zaitsev AN, Spratt J, Sharygin VV, Wenzel T, Zaitseva OA, Markl G (2015) Mineralogy of the Laetolil Footprint Tuff: A comparison with possible volcanic sources from the Crater Highlands and Gregory Rift. JOURNAL OF AFRICAN EARTH SCIENCES, 111 : 214 - 221. doi: 10.1016/j.jafrearsci.2015.07.023

Rumsey MS, Dossett I, Green DI, Najorka J, Spratt J (2015) Crookesite, Cu7TlSe4, from Littleham Cove, Devon: the first mineral containing essential thallium from the British Isles.. Journal of the Russell Society, 18 : 48 - 52.

McDonald AM, Cabri LJ, Stanley CJ, Good DJ, Redpath J, Lane G, Spratt J, Ames DE (2015) COLDWELLITE, Pd3Ag2S, A NEW MINERAL SPECIES FROM THE MARATHON DEPOSIT, COLDWELL COMPLEX, ONTARIO, CANADA. CANADIAN MINERALOGIST, 53 (5) : 845 - 857. doi: 10.3749/canmin.1500020

Rehemat B, Wade BS, Muller W, Spratt J, Evans D, Thornalley DJR (2015) Can trace element / Ca data be used to infer Eocene planktonic foramineral paleoecology?. Presented at Goldschmidt conference.

Kovrugin VM, Siidra OI, Zaitsev AN, Spratt J, Shilovskikh V, Agakhanov AA, Turner RW (2016) The crystal structure and composition of pottsite, (Pb3xBi4-2x)(VO4)(4)center dot H2O(0.8 < x < 1.0). EUROPEAN JOURNAL OF MINERALOGY, 28 (1) : 137 - 145. doi: 10.1127/ejm/2015/0027-2479

Mitchell RH, Welch MD, Kampf AR, Chakhmouradian AK, Spratt J (2015) Barrydawsonite-(Y), Na1.5CaY0.5Si3O9H: a new pyroxenoid of the pectolite-serandite group. MINERALOGICAL MAGAZINE, 79 (3) : 671 - 686. doi: 10.1180/minmag.2015.079.3.12

Bell K, Zaitsev AN, Spratt J, Frojdo S, Rukhlov AS (2015) Elemental, lead and sulfur isotopic compositions of galena from Kola carbonatites, Russia - implications for melt and mantle evolution. MINERALOGICAL MAGAZINE, 79 (2) : 219 - 241. doi: 10.1180/minmag.2015.079.2.01

Calzada_Diaz A, Joy KH, Crawford IA, Spratt J, Strekopytov S (2015) GEOCHEMICAL ANALYSIS AND POSSIBLE LAUNCH SITES OF LUNAR BRECCIAS MILLER RANGE 090036 AND MILLER RANGE 090070.. 46th Lunar and Planetary Science Conference (2015), 163 3 - 16 3 3http://www.hou.usra.edu/meetings/lpsc2015/pdf/1585.pdf

Cooper AF, Collins AK, Palin JM, Spratt J (2015) Mineralogical evolution and REE mobility during crystallisation of ancylite-bearing ferrocarbonatite, Haast River, New Zealand. LITHOS, 216 : 324 - 337. doi: 10.1016/j.lithos.2015.01.005

Zaitsev AN, Terry Williams C, Jeffries TE, Strekopytov S, Moutte J, Ivashchenkova OV, Spratt J, Petrov SV, Wall F, Seltmann R, Borozdin AP (2015) "Rare earth elements in phoscorites and carbonatites of the Devonian Kola Alkaline Province, Russia: Examples from Kovdor, Khibina, Vuoriyarvi and Turiy Mys complexes". Ore Geology Reviews, 64 : 477 - 498. doi: 10.1016/j.oregeorev.2014.06.004

Graham SD, Hill E, Domininy SC, Spratt J (null) The application of Mineralogic, an automated mineralogy solution in mineral exploration.. Society of Exploration Geologists – Building Exploration Capability for the 21st Century, 279 9 - 27 9 9http://www.segweb.org/SEG/_Events/Conference_Website_Archives/2014/Abstracts/data/papers/abstracts/0393-000318.pdf

Graham SD, Hill E, Spratt J, Dominy SC (2014) The application of Mineralogic, an automated mineralogy solution in mineral exploration. Presented at Society of Economic Geologists - Biulding exploration capability for the 21st century Sept 27th - 30th Keystone Colorado USA.

Claydon JL, Lai Y-J, Coath CD, Taylor CA, Elliott T, Strekopytov S, Spratt J, Kearsley AT, Russell SS (2014) THE Al-Mg SYSTEM IN CHONDRULES: A TWO-PRONGED APPROACH.. METEORITICS & PLANETARY SCIENCE 49 : A75 - A75.

Mitchell R, Kampf A, Chakhmouradian A, Welch M, Spratt J (2014) Compositional and structural diversity in pyroxenoids revisited: a new dreier-chain silicate Na1.5 Y0.5 Ca Si3 09 H.. IMA 2014, 19 9 - 1 9 9

Runsey M, Welch M, Origlieri M, Creasy G, Kampf A, Burgio L, Spratt J, Humphreys_Williams E, Kirk C (2014) A redefinition of Claringbullite to Cu4ClF(OH)6; the importance of type material and group/series based studies. 21st General Meeting of the International Mineralogical Association, 19 9 - 1 9 9375 - 375.

Welch MD, Mitchell R, Kampf A, Chakhmouradian A, Spratt J (2014) Compositional and structural diversity in pyroxenoids revisited: a new dreier-chain silicate Na1.5 Y0.5 Ca Si3 09 H.. Presented at 21st General Meeting of the International Mineralogical Association.

Claydon JL, Lai YJ, Elliot T, Coath CD, Taylor CA, Keasley AT, Strekopytov S, Russell SS, Spratt J (2014) Initial 26Al/27Al Ratios of Characterized Chondrules from CV Chondrites by MC-ICP-MS.. 45th Lunar and planetary Sciences Conference 2014, 38 8 - 3 8 8http://www.hou.usra.edu/meetings/lpsc2014/pdf/1997.pdf

Price MC, Kearsley AT, Wozniakiewicz PJ, Burchell MJ, Spratt J, Cole MJ, Anz-Meador P, Liou JC, Ross DK, Opiela J, Grime W, Colaux JL, Palitsin VV, Jeynes C, Webb RP, Griffin T, Gerlach L (2014) IMPACTS ON THE HUBBLE SPACE TELESCOPE WIDE FIELD AND PLANETARY CAMERA 2: EXPERIMENTAL SIMULATION OF MICROMETEOROID CAPTURE. 45 Lunar and Planetary Science Conference 2014, 38 8 - 3 8 8http://www.hou.usra.edu/meetings/lpsc2014/pdf/1466.pdf

Claydon JL, Lai YJ, Elliott T, Coath CD, Taylor CA, Kearsley AT, Spratt J, Strekopytov S, Russell SS (2014) 26Al-26Mg “ages” of characterized chondrules by MC-ICP-MS.. Presented at 45th Lunar and Planetary Sciences conference.

Price MC, Kearsley AT, Wozniakiewicz PJ, Spratt J, Burchell MJ, Cole MJ, Anz-Meador P, Liou JC, Ross K, Opiela J, Grime GW, Colaux JL, Palitsin JL, Jeynes C, Webb RP, Griffin T, Gerlach L (2014) Impacts on the Hubble Space Telescope Wide Field and Planetary Camera 2: Experimental Simulation of Micrometeoroid Capture. Presented at 45th Lunar and Planetary Science Conference.

Zaitsev AN, Williams CT, Jeffries TE, Strekopytov S, Moutte J, Ivashchenkova OV, Spratt J, Petrov SV, Wall F, Seltmann R, Borozdin AP (2014) Rare earth elements in phoscorites and carbonatites of the Devonian Kola Alkaline Province, Russia: Examples from Kovdor, Khibina, Vuoriyarvi and Turiy Mys complexes. ORE GEOLOGY REVIEWS, 61 : 204 - 225. doi: 10.1016/j.oregeorev.2014.02.002

Smith MP, Kynicky J, Xu C, Spratt J (2014) Origin of heavy rare earth enrichment in carbonatites: Evidence from the Huanglongpu Mo-district, China.. 2014 Mineral Deposit Studies Group 37th Annual meeting, Oxford; 01/2014, 61 1 - 6 1 1

Rumsey MS, Welch MD, Kampf AR, Spratt J (2013) Diegogattaite, Na2CaCu2Si8O20·H2O: a new nanoporous copper sheet silicate from Wessels Mine, Kalahari Manganese Fields, Republic of South Africa. Mineralogical Magazine, 77 (8) : 3155 - 3162. doi: 10.1180/minmag.2013.077.8.09

Müller A, Snook B, Spratt J, Williamson B, Seltmann R (2013) “Amazonite”-“Cleavelandite” Replacement Units in NYF-Type Pegmatites – Residual Fluids or Immiscible Melts?. PEG 2013: The 6th International Symposium on Granitic Pegmatites, 169 9 - 16 9 9http://pegmatology.uno.edu/news_files/PEG2013_Abstract_Volume.pdf PRINTED BY RUBELLITE PRESS, NEW ORLEANS, LA :

Muller A, Snook B, Spratt J, Williamson B, Seltmann R (2013) “Amazonite”-“cleavelandite” replacement units in NYF-type pegmatites – residual fluids or immiscible melts?. Presented at contributions to the 6th internation symposium on granitic pegmatites (PEG2013 Maine USA).

Russell SS, Armytage R, Bodenan JD, Franchi IA, Jeffries TE, Spratt J, Starkey NA (2013) Relationship Between CAIs and Chondrules: What we can Learn from a Chondrule-CAI Hybrid from the Allende CV3 Meteorite. Lunar and Planetary Science Conference 44 :

Zaitsev AN, Avdontseva EY, Britvin SN, Demeny A, Homonnay Z, Jeffries TE, Keller J, Krivovichev VG, Markl G, Platonova NV, Siidra OI, Spratt J, Vennemann T (2013) Oxo-magnesio-hastingsite, NaCa2(Mg2Fe33+)(Al2Si6)O22O2, a new anhydrous amphibole from the Deeti volcanic cone, Gregory rift, northern Tanzania. MINERALOGICAL MAGAZINE, 77 (6) : 2773 - 2792. doi: 10.1180/minmag.2013.077.6.06

Russell SS, Armytage R, Bodenan JD, Franchi IA, Jeffries T, Spratt J, Starkyey N (2013) RELATIONSHIP BETWEEN CAIS AND CHONDRULES: WHAT WE CAN LEARN FROM A CHONDRULE-CAI HYBRID IN THE ALLENDE CV3 METEORITE.. Presented at 44th Lunar and Planetary Sciences Conference USA.

Siidra OI, Krivovichev SV, Turner RW, Rumsey MS, Spratt J (2013) Crystal chemistry of layered Pb oxychloride minerals with PbO-related structures: Part II. Crystal structure of vladkrivovichevite, [Pb32O18][Pb4Mn2O]Cl-14(BO3)(8)center dot 2H(2)O. AMERICAN MINERALOGIST, 98 (1) : 256 - 261. doi: 10.2138/am.2013.4244

Siidra OI, Krivovichev SV, Turner RW, Rumsey MS, Spratt R (2013) Crystal chemistry of layered Pb oxychloride minerals with PbO-related structures: Part I. Crystal structure of hereroite, [Pb32O20(O,square)](AsO4)(2)[(Si,As,V,Mo)O-4](2)Cl-10. AMERICAN MINERALOGIST, 98 (1) : 248 - 255. doi: 10.2138/am.2013.4241

Zaitsev AN, Marks MAW, Wenzel T, Spratt J, Sharygin VV, Strekopytov S, Markl G (2012) Mineralogy, geochemistry and petrology of the phonolitic to nephelinitic Sadiman volcano, Crater Highlands, Tanzania. LITHOS, 152 : 66 - 83. doi: 10.1016/j.lithos.2012.03.001

Kampf AR, Mills SJ, Rumsey MS, Dini M, Birch WD, Spratt J, Pluth JJ, Steele IM, Jenkins RA, Pinch WW (2012) The heteropolymolybdate family: structural relations, nomenclature scheme and new species. MINERALOGICAL MAGAZINE, 76 (5) : 1175 - 1207. doi: 10.1180/minmag.2012.076.5.09

Turner RW, Siidra OI, Krivovichev SV, Stanley CJ, Spratt J (2012) Rumseyite, [Pb2OF]Cl, the first naturally occurring fluoroxychloride mineral with the parent crystal structure for layered lead oxychlorides. MINERALOGICAL MAGAZINE, 76 (5) : 1247 - 1255. doi: 10.1180/minmag.2012.076.5.11

Zaitsev AN, Ivashenkova OV, Spratt J, Williams CT (2012) Pyrochlore group minerals within phoscorites and carbonatites from the Kovdor complex, Kola. Presented at International conference Ore potential of alkaline, kimberlite and carbonatite magmatism.School «Geochemistry of Alkaline rocks» 14-18 September 2012, Sudak.

Siidra OI, Turner RW, Krivovichev SV, Spratt J (2012) Rumseyite, [Pb2OF]Cl – fluoroxychloride mineral with the parent crystal structure for layered lead oxychlorides.

Mueller A, Kearsley A, Spratt J, Seltmann R (2012) PETROGENETIC IMPLICATIONS OF MAGMATIC GARNET IN GRANITIC PEGMATITES FROM SOUTHERN NORWAY. CANADIAN MINERALOGIST, 50 (4) : 1095 - 1115. doi: 10.3749/canmin.50.4.1095

Turner R, Siidra OI, Rumsey MS, Krivovichev SV, Stanley CJ, Spratt J (2012) Hereroite and vladkrivovichevite: two novel lead oxychlorides from the Kombat mine, Namibia. MINERALOGICAL MAGAZINE, 76 (4) : 883 - 890. doi: 10.1180/minmag.2012.076.4.05

Kampf AR, Mills SJ, Rumsey MS, Spratt J, Favreau G (2012) The crystal structure determination and redefinition of matulaite, Fe3+Al7(PO4)4(PO3OH)2(OH)8(H2O)8·8H2O. Mineralogical Magazine, 76 (3) : 517 - 534. doi: 10.1180/minmag.2012.076.3.05

Rumsey MS, Krivovichev SV, Siidra OI, Kirk CA, Stanley CJ, Spratt J (2012) Rickturnerite, Pb7O4[Mg(OH)4](OH)Cl3, a complex new lead oxychloride mineral. Mineralogical Magazine, 76 (1) : 59 - 73. doi: 10.1180/minmag.2012.076.1.59

Kampf AR, Mlls SJ, Housley RM, Rumsey MS, Spratt J (2012) Lead-tellurium oxysalts from Otto Mountain near Baker, California: VII. Chromschieffelinite, Pb10Te6O20(OH)(14)(CrO4)(1120)5, the chromate analog of schieffelinite. AMERICAN MINERALOGIST, 97 (1) : 212 - 219. doi: 10.2138/am.2011.3909

SMITH M, SPRATT J (2012) The Chemistry of Niobium Mineralisation at Bayan Obo, Inner Mongolia, China: Constraints on the Hydrothermal Precipitation and Alteration of Nb-Minerals. Acta Geologica Sinica, 86 : 700 - 722.

Zaitsev AN, Chakhmouradian AR, Siidra OI, Spratt J, Williams CT, Stanley CJ, Petrov SV, Britvin SN, Polyakova EA (2011) Fluorine-, yttrium- and lanthanide-rich cerianite-(Ce) from carbonatitic rocks of the Kerimasi volcano and surrounding explosion craters, Gregory Rift, northern Tanzania. MINERALOGICAL MAGAZINE, 75 (6) : 2813 - 2822. doi: 10.1180/minmag.2011.075.6.2813

Spratt J, Kearsley A, Smith C (2011) Virtual Meteorite Sections, an Aid to Conservation and Research Access. Microscopy and Microanalysis 17 (S2) : Cambridge University Press (CUP) : 1820 - 1821. doi: 10.1017/s1431927611009974

Rumsey MS, Siidra OI, Krivovichev SV, Spratt J, Stanley CJ, Turner RW (2011) Rediscovery (?) and history of plumbonacrite.. 7th International Conference on Mineralogy and Museums, 278 8 - 27 8 8

Spratt J, Keasley AT (2011) Virtual Meteorite Sections, an Aid to Conservation and Research Access.. Presented at Microscopy and Microanalysis Conference Nashville USA.

Rumsey MS, Turner RW, Siidra OI, Krivovichev S, Spratt J, Stanley CJ, Kirk CA (2011) Update on our understanding of novel lead oxychlorides.. 1st International Mindat.org Conference, 107 7 - 10 7 7

Kearsley AT, Smith CL, Spratt J, Benedix GK, Hunt A, Russell SS, Joy KH, Gounelle M (2011) METEORITE POLISHED SECTIONS: X-RAY MAP IMAGERY FOR DOCUMENTATION, CURATION AND 'VIRTUAL-LOAN' OF IRREPLACEABLE MATERIALS. METEORITICS & PLANETARY SCIENCE 46 : A120 - A120.

Zaitsev AN, Wenzel T, Spratt J, Williams TC, Strekopytov S, Sharygin VV, Petrov SV, Golovina TA, Zaitseva EO, Markl G (2011) Was Sadiman volcano a source for the Laetoli Footprint Tuff?. JOURNAL OF HUMAN EVOLUTION, 61 (1) : 121 - 124. doi: 10.1016/j.jhevol.2011.02.004

Polyakova EA, Chakhmouradian AR, Siidra OI, Britvin SN, Petrov SV, Williams CT, Stanley CJ, Spratt J (2011) Fluorine-, yttrium- and lanthanide-rich cerianite from carbonatitic rocks of the Kerimasi volcano and surrounding explosion craters, Gregory rift, northern Tanzania.. Presented at Peralk-Carb 2011 – Workshop on peralkaline rocks Tubingen Germany 16 – 18 June.

Siidra OI, Demeny A, Spratt J, Homonnay Z, Markl G (2011) Сation distribution in the crystal structure of a new amphibole group mineral from the Deeti volcanic cone, northern Tanzania.. Presented at Peralk-Carb 2011 – Workshop on peralkaline rocks Tubingen Germany 16 – 18 June.

Purvis OW, Bennett JP, Spratt J (2011) 169Copper localization, elemental content, and thallus colour in the copper hyperaccumulator lichen Lecanora sierrae from California. LICHENOLOGIST, 43 : 165 - 173. doi: 10.1017/S0024282910000770

Mills SJ, Rumsey MS, Favreau G, Spratt J, Raudsepp M, Dini M (2011) Bariopharmacoalumite, a new mineral species from Cap Garonne, France and Mina Grande, Chile. MINERALOGICAL MAGAZINE, 75 (1) : 135 - 144. doi: 10.1180/minmag.2011.075.1.135

Smith M, Spratt J (2011) Crystal chemistry of niobium mineralisation at Bayan Obo, China: Constraints on the formation of hydrothermal Nb resources.. Presented at Mineral Deposits Study Group Winter Meeting 2011.

Kuznetsova LG, Zolotarev AA, Frank-Kamenetskaya OV, Rozhdestvenskaya IV, Bronzova YM, Spratte J, Ertl A (2011) Chemical composition and species attribution of tourmalines from a rare-metal pegmatite vein with scapolite, Sangilen Upland, Tuva. Geology of Ore Deposits, 53 (8) : 806 - 817. doi: 10.1134/s1075701511080095

Smth M, Spratt J (2011) Crystal chemistry of niobium mineralisation at Bayan Obo, China; constraints on the formation of hydrothermal Nb resources. 34th annual winter meeting of the Geological Society's Mineral Deposit Studies Group and the Applied Mineralogy Group of the Mineralogical Society and the 14th CERCAMS workshop on Ore giants of Asia, 51 1 - 5 1 1Transactions of the Institutions of Mining and Metallurgy, Section B: Applied Earth Science 2 (119) : Maney Publishing : 118 - 119.

Rumsey MS, Mills SJ, Spratt J (2010) Natropharmacoalumite, NaAl4[(OH)(4)(AsO4)(3)]center dot 4H(2)O, a new mineral of the pharmacosiderite supergroup and the renaming of aluminopharmacosiderite to pharmacoalumite. MINERALOGICAL MAGAZINE, 74 (5) : 929 - 936. doi: 10.1180/minmag.2010.074.5.929

Zaitsev AN, Williams CT, Britvin SN, Kuznetsova IV, Spratt J, Petrov SV, Keller J (2010) Kerimasite, Ca3Zr2(Fe23+Si)O-12, a new garnet from carbonatites of Kerimasi volcano and surrounding explosion craters, northern Tanzania. MINERALOGICAL MAGAZINE, 74 (5) : 803 - 820. doi: 10.1180/minmag.2010.074.5.803

Zaitsev AN, Wenzel T, Markl G, Spratt J, Petrov SV, Williams CT (2010) Mineralogy and geochemistry of nephelinites and phonolites from the Sadiman volcano, northern Tanzania. Presented at Alkaline Rocks : Petrology, Mineralogy, Geochemistry Conference Ukraine Kiev 2010.

Zaitsev AN, Wenzel T, Markl G, Spratt J, Petrov SV, Williams CT (null) Sadiman Volcano, Crater Highlands, Tanzania; does it really contain melilitites and carbonatites or its is just a phonolite-nephelinite volcano?. • IMA2010; 20th general meeting of the International Mineralogical Association, 218 8 - 21 8 8• Acta Mineralogica-Petrographica. Abstract Series

Zaitsev AN, Keller J, Spratt J, Jeffries TE, Sharygin VV (2009) Chemical Composition of Nyerereite and Gregoryite from Natrocarbonatites of Oldoinyo Lengai Volcano, Tanzania. GEOLOGY OF ORE DEPOSITS, 51 (7) : 608 - 616. doi: 10.1134/S1075701509070095

Yusupov RG, Stanley CJ, Welch MD, Spratt J, Cressey G, Rumsey MS, Seltman R, Igamberdiev E (2009) Mavlyanovite, Mn5Si3: a new mineral species from a lamproite diatreme, Chatkal Ridge, Uzbekistan. MINERALOGICAL MAGAZINE, 73 (1) : 43 - 50. doi: 10.1180/minmag.2009.073.1.43

BENEDIX GK, McCoy TJ, SPRATT J (2009) Thermodynamic constraints on the formation history of lodranites.. 40th Lunar and Planetary Science Conference., 233 3 - 23 3 3http://www.lpi.usra.edu/meetings/lpsc2009/pdf/1494.pdf

Müller A, Ihlen PM, Larsen RB, SPRATT J, SELTMANN R (2009) Quartz and garnet chemistry of South Norwegian pegmatites and its implications for pegmatite genesis. Estudos Geolόgicos, 19 : 20 - 24.

Spiro B, Xingchun Z, Halls C, Herrington R, Spratt J (2008) The distribution of Cd in sulphides and carbonates from the sediment-hosted Pb-Zn deposit at Jinding, Yunnan province, China: Mining and environmental implications.. 33rd International Geological Congress, 68 8 - 6 8 8

Zaitsev AN, Keller J, Spratt J, Perova EN, Kearsley A (2008) NYEREREITE - PIRSSONITE - CALCITE - SHORTITE RELATIONSHIPS IN ALTERED NATROCARBONATITES, OLDOINYO LENGAI, TANZANIA. CANADIAN MINERALOGIST, 46 : 843 - 860. doi: 10.3749/canmin.46.4.843

Purvis OW, Pawlik-Skowronska B, Cressey G, Jones GC, Kearsley A, Spratt J (2008) Mineral phases and element composition of the copper hyperaccumulator lichen Lecanora polytropa. MINERALOGICAL MAGAZINE, 72 (2) : 607 - 616. doi: 10.1180/minmag.2008.072.2.607

Chapman R, Mercer IF, Rankin AH, SPRATT J (2008) Thortveitite - a new gemstone. Journal of Gemmology, 31 : 1 - 6.

Yusupov RG, Stanley CJ, Welch MD, Spratt J, Cressey G, Rumsey MS, Seltmann R, Igamberdiev E (2008) Mavlyanovite, Mn5Si3, a new mineral. Geology and Mineral Resources, 5, 2008 : 3-6. [in Russian] - 3-6. [in Russian].

ZAITSEV AN, Keller J, SPRATT J, JEFFRIES TE, Sharygin VV (2008) Chemical composition of Nyerereite and gregoryite from natrocarbonatites of Oldoinyo Lengai volcano Tanzania. Zapiski (Proceedings) of the Russian Mineralogical Society, 137 : 101 - 111.

RUMSEY MS, Bridges TF, SPRATT J (2007) The first British occurrence of petitjeanite at Carrock Mine, Caldbeck Fells, Cumbria. UK Journal of Mines and Minerals, 28 : 47 - 50.

Kearsley AT, Graham GA, Burchell MJ, Cole MJ, Dai ZR, Teslich N, Bradley JP, Chater R, Wozniakiewicz PA, Spratt J, Jones G (2007) Analytical scanning and transmission electron microscopy of laboratory impacts on Stardust aluminum foils: Interpreting impact crater morphology and the composition of impact residues. METEORITICS & PLANETARY SCIENCE, 42 (2) : 191 - 210. doi: 10.1111/j.1945-5100.2007.tb00227.x

Muller A, Seltmann R, Halls C, Siebel W, Dulski P, Jeffries T, Spratt J, Kronz A (2006) The magmatic evolution of the Land's End pluton, Cornwall, and associated pre-enrichment of metals. ORE GEOLOGY REVIEWS, 28 (3) : 329 - 367. doi: 10.1016/j.oregeorev.2005.05.002

Plotinskaya OY, Kovalenker VA, Novoselov KA, Seltmann R, Stanley CJ, Spratt J (2006) Te and Se mineralogy of the Bereznyakovskoye deposit (South Urals, Russia). Cook N (Eds). Au-Ag- Te deposits. Proceedings IGCP Project 486, Field Workshop, 137 - 144.

Mason TFD, Weiss DJ, Chapman JB, Wilkinson JJ, Tessalina SG, Spiro B, Horstwood MSA, Spratt J, Coles BJ (2005) Zn and Cu isotopic variability in the Alexandrinka volcanic-hosted massive sulphide (VHMS) ore deposit, Urals, Russia. CHEMICAL GEOLOGY, 221 (3-4) : 170 - 187. doi: 10.1016/j.chemgeo.2005.04.011

Stanley CJ, Criddle AJ, Spratt J, Roberts AC, Szymanski JT, Welch MD (2005) Kingstonite, (Rh,Ir,Pt)(3)S-4, a new mineral species from Yubdo, Ethiopia. MINERALOGICAL MAGAZINE, 69 (4) : 447 - 453. doi: 10.1180/0026461056940262

Stanley CJ, Criddle AJ, Spratt J, Roberts AC, Szymański JT, Welch MD (2005) Kingstonite, (Rh,Ir,Pt)3S4, a new mineral species from Yubdo, Ethiopia. Mineralogical Magazine, 69 (4) : 447 - 453. doi: 10.1180/0026461056940262

Roberts AC, Stirling JAR, Criddle AJ, Dunning GE, Spratt J (2004) Aurivilliusite, Hg2+Hg1+OI, a new mineral species from the Clear Creek claim, San Benito County, California, USA. MINERALOGICAL MAGAZINE, 68 (2) : 241 - 245. doi: 10.1180/0026461046820184

Müller A, Seltmann R, Halls C, Jeffries T, Dulski P, Spratt J (2004) The Land's End granite, Cornwall: the evolution of a composite and mineralised pluton. • Ussher Society annual conference, Taunton, United Kingdom (January, 2004), 51 1 - 5 1 1Proceedings of the Ussher Society 1 (11) : 71 - 71.

WILLIAMS CT, KEARSLEY AT, RUMSEY M, SPRATT J (2004) Imaging and microanalysis of uncoated mineral specimens using a variable pressure scanning electron microscope. Mineralogy & Museums V, 5th International Conference, Abstracts,

Evans D M , Spratt J (2000) Platinum and palladium oxides/hydroxides from the Great Dyke, Zimbabwe, and thoughts on their stability and possible extraction. Rammlmair D (Eds). ICAM 2000, 177 7 - 17 7 7Applied mineralogy in research, economy, technology, ecology and culture, D. Balkema : Rotterdam. 289 - 292.

Williamson BJ, Spratt J, Adams JT, Tindle AG, Stanley CJ (2000) Geochemical constraints from zoned hydrothermal tourmalines on fluid evolution and Sn mineralization: an example from fault breccias at Roche, SW England. JOURNAL OF PETROLOGY, 41 (9) : 1439 - 1453. doi: 10.1093/petrology/41.9.1439

Large DJ, Sawlowicz Z, Spratt J (1999) A cobaltite-framboidal pyrite association from the Kupferschiefer: possible implications for trace element behaviour during the earliest stages of diagenesis. MINERALOGICAL MAGAZINE, 63 (3) : 353 - 361. doi: 10.1180/002646199548574

Williamson BJ, Adams JT, Tindle AG, Spratt J, Stanley CJ (1999) Geochemical Constraints from Tourmaline Hydrothermal Overgrowths on the Evolution of Mineralising Fluids. EUG 10 The European Union of Geosciences Meeting, 283 3 - 28 3 3https://www.infona.pl/resource/bwmeta1.element.agro-journal-aed710b2-63a9-4962-9ccb-84797547df26/tab/jContent

Betterton J, Green DI, Jewson C, Spratt J, Tandy P (1998) The composition and structure of jeanbandyite and natanite. MINERALOGICAL MAGAZINE, 62 (5) : 707 - 712. doi: 10.1180/002646198547945

Mordberg LE (1998) Alteration of Zircons: The Evidence of Zr Mobility During Bauxitic Weathering. Mineralogical Magazine 62A (2) : Mineralogical Society : 1021 - 1022. doi: 10.1180/minmag.1998.62a.2.201

TAMANA H, CRIDDLE A, GRIME G, VAUGHAN D, SPRATT J (1994) TRACE-ELEMENTS IN PLATINUM-GROUP MINERALS STUDIED USING NUCLEAR MICROSCOPY. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS 89 (1-4) : 213 - 218. doi: 10.1016/0168-583X(94)95175-6

Cressey G, Spratt J, Cressey BA (1993) Electron and X-ray petrography of an unusual serpentine from the Tilley Foster Mine, Brewster, New York. The Canadian Mineralogist, 31 (2) : 447 - 458. doi: 10.3749/1499-1276-31.2.447

CRIDDLE AJ, TAMANA H, SPRATT J, REESON KJ, VAUGHAN D, GRIME G (1993) MICRO-PIXE ANALYSIS OF PLATINUM-GROUP MINERALS FROM PLACER DEPOSITS. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS 77 (1-4) : 444 - 449. doi: 10.1016/0168-583X(93)95578-S

Spratt J, Criddle AJ (1991) Further studies on the platinum group minerals from the Joubdo Stream, Birbir River, Ethiopia. • Mineralogical Society of Great Britain and Ireland winter conference; Industrial and environmental mineralogy, 41 1 - 4 1 1

SOUTHGATE VR, ROLLINSON D, DEBONT J, VERCRUYSSE J, VANAKEN D, SPRATT J (1990) SURFACE-TOPOGRAPHY OF THE TEGUMENT OF ADULT SCHISTOSOMA-NASALE RAO, 1933 FROM SRI-LANKA. SYSTEMATIC PARASITOLOGY, 16 (2) : 139 - 147. doi: 10.1007/BF00009612

Courses taught

Short course: Electron Probe Microanalysis EDX / WDX
2/2017 - 3/2017.

Short course: NERC - Analytical SEM and electron probe microanalysis workshop
2/2015.

Short course: NERC - Analytical SEM and electron probe microanalysis workshop
1/2015.

Short course: Electron Probe Microanalysis EDX / WDX Feb 2014
2/2014.

Short course: Electron Probe Microanalysis EDX / WDX Feb 2013
2/2013.

Short course: Electron Probe Microanalysis EDX / WDX Oct 2011
10/2011.

Short course: Electron Probe Microanalysis EDX / WDX Mar 2011
3/2011.

Short course: Electron Probe Microanalysis EDX / WDX Oct 2010
10/2010.

Short course: Electron Probe Microanalysis EDX / WDX Dec 2009
11/2009 - 12/2009.

Short course: Electron Probe Microanalysis EDX / WDX Mar 2008
3/2008.

Short course: Electron Probe Microanalysis EDX / WDX Nov 2007
11/2007.

Unconventional Platinum Gruop Minerals - SGA-IAGOD short course
8/1999.

Invited and keynote speaker

Invited speaker, Macro-Micro-Nanoscale SEM/EDS of earth and planetary materials, EMAS 2018 - Microbeam Analysis in the Earth Sciences: Bristol, United Kingdom, 5/9/2019.

Keynote speaker, Applications of inorganic analytical techniques at the National History Museum, AstraZeneca Inorganics Day 2016: AstraZeneca (United Kingdom), Macclesfield, United Kingdom, 13/7/2016.

Keynote speaker, The application of EPMA (EDX and WDX) in regard to natural and man-made materials., Astra Zeneca internal conference on inorganic chemistry: 13/7/2016.

Correlation of electron microprobe X-ray maps and X-ray computed tomography datasets from a gold ore, Tomography for Scientific Advancement (ToSca) Symposium: 10/9/2013.

Invited speaker, Virtual meteorite sections: an aid to conservation and research access., Socirty of Electron Microscope Technology Annual One day meeting: 14/12/2011.

Invited speaker, Different methods of analysing silicate minerals by electron microprobe, Royal Society Sino-UK Workshop Kunming and Xuan Wei, Yunnan Province 23-28 Nov 2008: 23/11/2008.

Digital Storage and Archiving of SEM and TEM images, Society of Electron Microscope Technology: 20/12/1989.

Introduction

Summary

Areas of responsibilities:

Cameca SX100 electron microprobe.

The determination by electron probe microanalysis of elemental composition in regard to mineral and synthetic materials.

Spatial mapping of element concentration.

Philosophy for collection, compilation, and statistical reporting of microprobe data.

Training and supervision of users.

Undertake research projects in collaboration with Museum and external workers.

Undertake contract work.

Projects

Fieldwork

Russia
2016 - 2016.

Publications

Publications

Missen OP, Mills SJ, Rumsey MS, Weil M, Artner W, Spratt J, Najorka J (2022) Crystal structure and investigation of Bi2TeO6·nH2O (0 ≤ n ≤ $${\raise0.5ex\hbox{$\scriptstyle 2$} \kern-0.1em/\kern-0.15em \lower0.25ex\hbox{$\scriptstyle 3$}}$$): natural and synthetic montanite. Physics and Chemistry of Minerals, 49 (7) : doi: 10.1007/s00269-022-01198-2

Belogub EV, Shilovskikh VV, Rassomakhin MA, Plotinskaya OY, Savichev AN, Filippova KA, Kirichenko S, Spratt J, Seltmann R (2022) Scroll-like and platy molybdenite-3R from the Ufaley metamorphic block, South Urals: EBSD, XRD, SEM, EPMA and ICP-MS study. Mineralogical Magazine, 86 (3) : 422 - 435. doi: 10.1180/mgm.2022.35

Rumsey MS, Hawthorne FC, Spratt J, Najorka J, Montgomery W (2022) Bridgesite-(Ce), a new rare earth element sulfate, with a unique crystal structure, from Tynebottom Mine, Cumbria, United Kingdom. Mineralogical Magazine, 86 (4) : 570 - 576. doi: 10.1180/mgm.2022.41

(2022) The first occurrence of the carbide anion, C4–, in an oxide mineral: Mikecoxite, ideally (CHg4)OCl2, from the McDermitt open-pit mine, Humboldt County, Nevada, U.S.A.. American Mineralogist, doi: 10.2138/am-2022-8408

Heard R, Spratt J, King A, Rumsey M, Russell S, Mohr-Westheide T, Salge T (2022) SEM/EDS that is out of this world! Enhancing low voltage quantification for extra terrestrial samples. INTERM 2022, 224 4 - 22 4 4

Missen OP, Mills SJ, Canossa S, Hadermann J, Nénert G, Weil M, Libowitzky E, Housley RM, Artner W, Kampf AR, Rumsey MS, Spratt J, Momma K, Dunstan MA (2022) Polytypism in mcalpineite: a study of natural and synthetic Cu3TeO6. Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials, 78 (1) : 20 - 32. doi: 10.1107/s2052520621013032

Missen OP, Mills SJ, Rumsey MS, Spratt J, Najorka J, Kampf AR, Thorne B (2022) The new mineral tomiolloite, Al12(Te4+O3)5[(SO3)0.5(SO4)0.5](OH)24: A unique microporous tellurite structure. American Mineralogist, 107 (12) : 2167 - 2175. doi: 10.2138/am-2022-8368

Müller A, Romer RL, Augland LE, Zhou H, Rosing-Schow N, Spratt J, Husdal T (2022) Two-stage regional rare-element pegmatite formation at Tysfjord, Norway: implications for the timing of late Svecofennian and late Caledonian high-temperature events. International Journal of Earth Sciences, 111 (3) : 987 - 1007. doi: 10.1007/s00531-022-02166-5

Perova E, Zaitsev A, Spratt J, Vlasenko N, Platonova NV, Bubnova O (2022) Thermodynamic analysis of primary and secondary minerals stability in melilite-nephelinite tuff with Australopithecus Afarensis footprints, Laetoli, Tanzania. Vestnik of Saint Petersburg University. Earth Sciences, 67 (2) : 227 - 242. doi: 10.21638/spbu07.2022.202

Heard R, Salge T, Spratt J, Russell S (2021) Quantifying platinum group elements (PGEs): A novel scanning electron microscope and energy dispersive spectrometry (SEM/EDS) approach to analysing terrestrial and extra-terrestrial samples. RMS - Microscopy and Microanalysis in Geological and Archaeological Sciences, 911 11 - 9 11 11

Missen OP, Mills SJ, Kampf AR, Coolbaugh MF, Najorka J, Rumsey MS, Marty J, Spratt J, Raudsepp M, McCormack JK (2021) Wildcatite, CaFe3+Te6+O5(OH), the second new tellurate mineral from the Detroit district, Juab County, Utah. The Canadian Mineralogist, 59 (4) : 729 - 739. doi: 10.3749/canmin.2000092

Perna M, Zaccaria D, Rosatelli G, Stoppani F, Curti E, Spratt J, Humphreys-Williams E, Najorka J, Brownscombe W, Nestola F, Stoppa F (null) Dissolution-Repackaging of Hellandite-(Ce), Mottanaite-(Ce)/Ferri-Mottanaite-(Ce). Minerals, 11 (6) : 610 - 610. doi: 10.3390/min11060610

Rumsey MS, Welch MD, Spratt J, Kleppe AK, Števko M (null) Kernowite, Cu2Fe(AsO4)(OH)4⋅4H2O, the Fe3+-analogue of liroconite from Cornwall, UK. Mineralogical Magazine, 1 - 8. doi: 10.1180/mgm.2021.40

Welch MD, Najorka J, Rumsey MS, Spratt J (2021) The Hexagonal ↔ Orthorhombic Structural Phase Transition in Claringbullite, Cu4FCl(OH)6. The Canadian Mineralogist, 59 (1) : 265 - 285. doi: 10.3749/canmin.2000041

Zaitsev AN, Arzamastsev AA, Marks MAW, Braunger S, Wenzel T, Spratt J, Salge T, Markl G (2021) Hybridization of Alkali Basaltic Magmas: a Case Study of the Ogol Lavas from the Laetoli Area, Crater Highlands (Tanzania). Journal of Petrology, 62 (8) : doi: 10.1093/petrology/egab035

Mills SJ, Kartashov PM, Kampf AR, Rumsey MS, Ma C, Stanley CJ, Spratt J, Rossman GR, Novgorodova MI (2021) Native tungsten from the Bol'shaya Pol'ya river valley and Mt Neroyka, Russia. Mineralogical Magazine, 85 (1) : 76 - 81. doi: 10.1180/mgm.2021.7

Missen OP, Mills SJ, Rumsey MS, Back ME, Di Cecco VE, Birch WD, Spratt J (2021) The crystal structure and redefinition of utahite. Mineralogy and Petrology, 115 (4) : 477 - 486. doi: 10.1007/s00710-021-00746-y

Zaitsev AN, Spratt J, Shtukenberg AG, Zolotarev AA, Britvin SN, Petrov SV, Kuptsova AV, Antonov AV (2021) Oscillatory- and sector-zoned pyrochlore from carbonatites of the Kerimasi volcano, Gregory rift, Tanzania. Mineralogical Magazine, 85 (4) : 532 - 553. doi: 10.1180/mgm.2020.101

Rumsey MS, Welch MD, Spratt J, Kleppe AK (2020) Grguricite, CaCr2(CO3)2(OH)4.4H2O, a new alumohydrocalcite analogue. Mineralogical Magazine, 84 (5) : 778 - 784. doi: 10.1180/mgm.2020.66

Plotinskya OP, Abramova VD, Bondar D, Seltmann REIMAR, Spratt J (2019) Porphyry Cu(Mo) deposits of the Urals: insights from molybdenite trace element geochemistry. Proceedings of the 15th SGA Biennial Meeting 3 : The Society for Geology Applied to Mineral Deposits : 1019 - 1022.

Tuffield L, Buret Y, Large S, Spratt J, Wilkinson JJ (2020) Zircon-hosted apatite inclusions: A powerful tool for reconstruction of Cl contents in melts. Mineral Deposits Studies Group 43rd Annual Meeting 2020, 6-8th January, Mineral Deposits Studies Group :

Drivenes K, Brownscombe W, Larsen RB, Seltmann R, Spratt J, Sørensen BE (2020) Classification and characterisation of magmatic-hydrothermal tourmaline by combining field observations and microanalytical techniques. IOP Conference Series: Materials Science and Engineering 891 (1) : IOP Publishing : 012010 - 012010. doi: 10.1088/1757-899x/891/1/012010

Missen OP, Rumsey MS, Mills SJ, Weil M, Najorka J, Spratt J, Kolitsch U (2021) Elucidating the natural–synthetic mismatch of Pb2+Te4+O3: The redefinition of fairbankite to Pb122+(Te4+O3)11(SO4). American Mineralogist, 106 (2) : 309 - 316. doi: 10.2138/am-2020-7536

Missen O, Rumsey M, Kampf AR, Mills SJ, Back ME, Spratt J (2019) The discreditation of oboyerite and a note on the crystal structure of plumbotellurite. MINERALOGICAL MAGAZINE, 83 (6) : 791 - 797. doi: 10.1180/mgm.2019.63

Plotinskaya OY, Shilovskikh VV, Najorka J, Kovalchuk EV, Seltmann R, Spratt J (2019) Grain-scale distribution of molybdenite polytypes versus rhenium contents: mu XRD and EBSD data. MINERALOGICAL MAGAZINE, 83 (5) : 639 - 644. doi: 10.1180/mgm.2019.49

Siidra OI, Nazarchuk EV, Zaitsev AN, Polekhovsky YS, Wenzel T, Spratt J (2019) Dokuchaevite, Cu8O2(VO4)(3)Cl-3, a new mineral with remarkably diverse Cu2+ mixed-ligand coordination environments. MINERALOGICAL MAGAZINE, 83 (5) : 749 - 755. doi: 10.1180/mgm.2019.41

Zaitsev AN, McHenry L, Savchenok AI, Strekopytov S, Spratt J, Humphreys-Williams E, Sharygin VV, Bogomolov ES, Chakhmouradian AR, Zaitseva OA, Arzamastsev AA, Reguir EP, Leach L, Leach M, Mwankunda J (2019) Stratigraphy, mineralogy and geochemistry of the Upper Laetolil tuffs including a new tuff 7 site with footprints of Australopithecus afarensis, Laetoli, Tanzania. JOURNAL OF AFRICAN EARTH SCIENCES, 158 : doi: 10.1016/j.jafrearsci.2019.103561

Smith M, Cangelosi D, Yardley B, Wenlei SONGCX, Spratt J (2019) Mechanisms for the generation of HREE mineralization in carbonatites: Evidence from Huanglongpu, China.. 15th Biennial Meeting of the Society for Geology Applied to Mineral Deposit. Glasgow 27 - 30 August, 2019, Proceedings of the 15th SGA Biennial Meeting The Society for Geology Applied to Mineral Deposits :

Suttle MD, Twegar K, Nava J, Spiess R, Spratt J, Campanale F, Folco L (2019) A unique CO-like micrometeorite hosting an exotic Al-Cu-Fe-bearing assemblage - close affinities with the Khatyrka meteorite. SCIENTIFIC REPORTS, 9 : doi: 10.1038/s41598-019-48937-0

Missen OP, Kampf AR, Mills SJ, Housley RM, Spratt J, Welch MD, Coolbaugh MF, Marty J, Chorazewicz M, Ferraris C (2019) The crystal structures of the mixed-valence tellurium oxysalts tlapallite, (Ca,Pb)(3)CaCu6[Te34+Te6+O12](2)(Te4+O3)(2)(SO4)(2)center dot 3H(2)O, and carlfriesite, CaTe24+ Te6+O8. MINERALOGICAL MAGAZINE, 83 (4) : 539 - 549. doi: 10.1180/mgm.2019.9

Russell SS, Spratt J, King AJ (2019) THE PETROLOGY AND GEOCHEMISTRY OF CY CHONDRITES: A STUDY OF YAMATO 82162 AND YAMATO 980115. METEORITICS & PLANETARY SCIENCE 54 :

Cooper MA, Hawthorne FC, Roberts AC, Stanley CJ, Spratt J, Christy AG (2019) GAILDUNNINGITE, IDEALLY Hg(3)(2+)3[NHg22+](18)(Cl,I)(24), A NEW MINERAL FROM THE CLEAR CREEK MINE, SAN BENITO COUNTY, CALIFORNIA, USA: DESCRIPTION AND CRYSTAL STRUCTURE. CANADIAN MINERALOGIST, 57 (3) : 295 - 310. doi: 10.3749/canmin.1800080

Missen OP, Mills SJ, Spratt J (2019) Crystal chemistry of zemannite-type structures: II. Synthetic sodium zemannite. EUROPEAN JOURNAL OF MINERALOGY, 31 (3) : 529 - 536. doi: 10.1127/ejm/2019/0031-2834

Missen OP, Mills SJ, Spratt J, Birch WD, Brugger J (2019) Crystal chemistry of zemannite-type structures: I. A re-examination of zemannite from Moctezuma, Mexico. EUROPEAN JOURNAL OF MINERALOGY, 31 (3) : 519 - 527. doi: 10.1127/ejm/2019/0031-2806

Welch MD, Stanley CJ, Spratt J, Mills SJ (2018) Rozhdestvenskayaite Ag10Zn2Sb4S13 and argentotetrahedrite Ag6Cu4(Fe2+,Zn)(2)Sb4S13: two Ag-dominant members of the tetrahedrite group. EUROPEAN JOURNAL OF MINERALOGY, 30 (6) : 1163 - 1172. doi: 10.1127/ejm/2018/0030-2773

Drivenes K, Brownscombe W, Larsen RB, Seltmann R, Spratt J, Sorensen BE (2018) COMBINING OPTICAL PROPERTIES, MINERAL CHEMISTRY, MICROTEXTURES, AND FIELD RELATIONS OF TOURMALINE TO TRACK THE MAGMATIC-HYDROTHERMAL TRANSITION. GSA Annual Meeting in Indianapolis, Indiana, USA - 2018, Geological Society of America Abstracts with Programs Geological Society of America : doi: 10.1130/abs/2018am-323616

Drivenes K, Sorensen BE, Brownscombe W, Raanes MP, Seltmann R, Spratt J (2018) ZONED CASSITERITE FROM SW ENGLAND – AN EXAMPLE OF ORTHOROMBIC OR MONOCLINIC SNO2?. GSA Annual Meeting in Indianapolis, Indiana, USA - 2018, Geological Society of America Abstracts with Programs Geological Society of America : doi: 10.1130/abs/2018am-323742

Muller A, Spratt J, Thomas R, Williamson BJ, Seltmann R (2018) ALKALI-F-RICH ALBITE ZONES IN EVOLVED NYF PEGMATITES: THE PRODUCT OF MELT-MELT IMMISCIBILITY. CANADIAN MINERALOGIST, 56 (4) : 657 - 687. doi: 10.3749/canmin.1700087

Siidra OI, Nekrasova DO, Turner R, Zaitsev AN, Chukanov NV, Polekhovsky YS, Spratt J, Rumsey MS (2018) Somersetite, Pb8O(OH)(4)(CO3)(5), a new complex hydrocerussite-related mineral from the Mendip Hills, England. MINERALOGICAL MAGAZINE, 82 (5) : 1211 - 1224. doi: 10.1180/minmag.2017.081.087

Drivenes K, Sorensen BE, Brownscombe W, Raanes MP, Seltmann R, Spratt J (null) Zoning in Cassiterite – A Multianalytical approach. EMAS 2018 Microbeam Analysis in the Earth Sciences 4-7th September 2018 University Bristol., 49 9 - 4 9 9

Salge T, Spratt J, Russel S, Neumann R, Mohr-Westheide T, Greshake A, Reimold WU, Ferriere L, Cox MA, Daly L (null) Macro-micro-nanoscale SEM/EDS of earth and planetary materials. EMAS 2018 Microbeam Analysis in the Earth Sciences 4-7th September 2018 University Bristol., 49 9 - 4 9 9

Spratt J, Buret Y, Armstrong R, Rumsey MS (null) A Comparison of the stoichiometeric calculation of H, Li, Be, B and O WT% values by EPMA with values obtained by LA-ICPMS from a suite of 15 minerals.. EMAS 2018 Microbeam Analysis in the Earth Sciences 4-7th September 2018 University Bristol., 49 9 - 4 9 9

Missen OP, Mills SJ, Brugger J, Welch MD, Spratt J, Rumsey MS, Birch WD, Vylita J, Thorne B, Momma K (null) Rich structural and chemical variation in secondary tellurium minerals, old and new.. XXII Meeting of the International Mineralogical Association, Melbourne Australia, 13-17th August 2018, 138 8 - 13 8 8

Muller A, Spratt J, Thomas R, Williamson BJ, Seltmann REIMAR (2018) Alkali-rich replacement zones in evolved NYF pegmatites: metasomatic fluids or immiscible melts?. XXII Meeting of the International Mineralogical Association, Melbourne Australia, 13-17th August 2018, IMA2018 Abstract book International Mineralogical Association :

Rumsey MS, Hawthorne F, Bridges T, Spratt J (null) A novel hydrated copper(II), calcium, rare earth sulfate from the United Kingdom with a new structure topology.. XXII Meeting of the International Mineralogical Association, Melbourne Australia, 13-17th August 2018, 138 8 - 13 8 8

Rumsey MS, Hawthorne F, Spratt J (null) A novel hydrated copper(II), calcium, rare earth sulfate from the United Kingdom with a new structure topology.. XXII Meeting of the International Mineralogical Association, Melbourne Australia, 13-17th August 2018, 138 8 - 13 8 8

Plotinskaya OY, Abramova VD, Groznova EO, Tessalina SG, Seltmann R, Spratt J (2018) Trace-element geochemistry of molybdenite from porphyry Cu deposits of the Birgilda-Tomino ore cluster (South Urals, Russia). MINERALOGICAL MAGAZINE, 82 : S281 - S306. doi: 10.1180/minmag.2017.081.106

McFall KA, Naden J, Roberts S, Baker T, Sprott J, McDonald L (2018) Platinum-group minerals in the Skouries Cu-Au (Pd, Pt, Te) porphyry deposit. ORE GEOLOGY REVIEWS, 99 : 344 - 364. doi: 10.1016/j.oregeorev.2018.06.014

Missen OP, Mills SJ, Spratt J, Welch MD, Birch WD, Rumsey MS, Vylita J (2018) The crystal-structure determination and redefinition of eztlite, Pb22+Fe33+(Te4+O3)(3)(SO4)O2Cl. MINERALOGICAL MAGAZINE, 82 (6) : 1355 - 1367. doi: 10.1180/mgm.2018.108

Sedova AM, Zaitsev AN, Spratt J (2018) The mineralogy of the effusive silicate rocks from the Mosonik volcano, Northern Tanzania.. International Conference on Magmatism of the Earth and Related Strategic Metal Deposits, Vernadsky Institute of Geochemistry and Anlytical Chemistry of Russian Academy of Sciences (GEOKHI RAS) :

Smith M, Kynicky J, Xu C, Song W, Spratt J, Jeffries T, Brtnicky M, Kopriva A, Cangelosi D (2018) The origin of secondary heavy rare earth element enrichment in carbonatites: Constraints from the evolution of the Huanglongpu district, China. Lithos, 308-309 : 65 - 82. doi: 10.1016/j.lithos.2018.02.027

Plotinskaya OY, Azovskova OB, Abramov SS, Groznova EO, Novoselov KA, Seltmann R, Spratt J (2018) Precious metals assemblages at the Mikheevskoe porphyry copper deposit (South Urals, Russia) as proxies of epithermal overprinting. ORE GEOLOGY REVIEWS, 94 : 239 - 260. doi: 10.1016/j.oregeorev.2018.01.025

Rumsey MS, Welch MD, Kleppe AK, Spratt J (2017) Siidraite, Pb2Cu(OH)(2)I-3, from Broken Hill, New South Wales, Australia: the third halocuprate(I) mineral. EUROPEAN JOURNAL OF MINERALOGY, 29 (6) : 1027 - 1030. doi: 10.1127/ejm/2017/0029-2676

Missen OP, Mills SJ, Welch MD, Spratt J, Rumsey MS, Birch WD, Brugger J (2018) The crystal structure of cesbronite, Cu3TeO4(OH)(4): a novel sheet tellurate topology. ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE CRYSTAL ENGINEERING AND MATERIALS, 74 : 24 - 31. doi: 10.1107/S205252061701647X

Kearsley AT, Colaux JL, Ross DK, Wozniakiewicz PJ, Gerlach L, Anz-Meador P, Griffin T, Reed B, Opiela J, Palitsin VV, Grime GW, Webb RP, Jeynes C, Spratt J, Salge T, Cole MJ, Price MC, Burchell MJ (2017) Hypervelocity impact in low earth orbit: finding subtle impactor signatures on the Hubble Space Telescope. Procedia Engineering, 204 : 492 - 499. doi: 10.1016/j.proeng.2017.09.746

Andrade MB, Atencio D, Menezes Filho LAD, Spratt J (2018) Melcherite, trigonal Ba2Na2Mg[Nb6O19]center dot 6H(2)O, the second natural hexaniobate, from Cajati, Sao Paulo, Brazil: Description and crystal structure. MINERALOGICAL MAGAZINE, 82 (1) : 111 - 120. doi: 10.1180/minmag.2017.081.026

Zaitsev AN, Zhitova ES, Spratt J, Zolotarev AA, Krivovichev SV (2017) Isolueshite, NaNbO3, from the Kovdor carbonatite, Kola peninsula, Russia: composition, crystal structure and possible formation scenarios. NEUES JAHRBUCH FUR MINERALOGIE-ABHANDLUNGEN, 194 (2) : 165 - 173. doi: 10.1127/njma/2017/0052

Mills SJ, Christya AG, Rumsey MS, Spratt J, Bittarello E, Favreau G, Ciriotti ME, Berbain C (2017) Hydroxyferroromeite, a new secondary weathering mineral from Oms, France. EUROPEAN JOURNAL OF MINERALOGY, 29 (2) : 307 - 314. doi: 10.1127/ejm/2017/0029-2594

Kearsley AT, Colaux JL, Wozniakiewicz PJ, Gerlach L, Anz-Meador P, Liou JC, Griffin T, Reed B, Opiela J, Palitsin VV, Grime GW, Webb RP, Jeynes C, Spratt J, Cole MJ, Price MC, Burchell MJ (null) HYPERVELOCITY IMPACT IN LOW EARTH ORBIT: FINDING SUBTLE IMPACTOR SIGNATURES ON THE HUBBLE SPACE TELESCOPE. HVIS 2017 - 14th Hypervelocity Impact Symposium, 244 4 - 24 4 4

Yeats CJ, Hollis SP, Halfpenny A, Corona J-C, LaFlamme C, Southam G, Fiorentini M, Herrington RJ, Spratt J (2017) Actively forming Kuroko-type volcanic-hosted massive sulfide (VHMS) mineralization at Iheya North, Okinawa Trough, Japan. ORE GEOLOGY REVIEWS, 84 : 20 - 41. doi: 10.1016/j.oregeorev.2016.12.014

Russell SS, Bodenan J-D, Starkey NA, Jeffries TE, Kearsley A, Spratt J, Armytage RMG, Franchi IA (2017) Relationship between CAIs and chondrules: A case study of a compound chondrule from the Allende (CV3) meteorite. GEOCHEMICAL JOURNAL, 51 (1) : 31 - 43. doi: 10.2343/geochemj.2.0445

Rumsey MS, Welch MD, Mo F, Kleppe AK, Spratt J, Kampf AR, Raanes MP (2018) Millsite, CuTeO3 center dot 2H(2)O: a new polymorph of teineite from Graurdfjellet, Oppdal, Norway. MINERALOGICAL MAGAZINE, 82 (2) : 433 - 444. doi: 10.1180/minmag.2017.081.057

Strekopytov S, Brownscombe W, Lapinee C, Sykes D, Spratt J, Jeffries TE, Jones CG (2017) Arsenic and mercury in bird feathers: Identification and quantification of inorganic pesticide residues in natural history collections using multiple analytical and imaging techniques. MICROCHEMICAL JOURNAL, 130 : 301 - 309. doi: 10.1016/j.microc.2016.10.009

Mills SJ, Christy AG, Rumsey MS, Spratt J (2016) The crystal chemistry of elsmoreite from the Hemerdon (Drakelands) mine, UK: hydrokenoelsmoreite-3C and hydrokenoelsmoreite-6R. MINERALOGICAL MAGAZINE, 80 (7) : 1195 - 1203. doi: 10.1180/minmag.2016.080.058

Mills SJ, Christy AG, Rumsey MS, Spratt J (2016) Discreditation of partzite. EUROPEAN JOURNAL OF MINERALOGY, 28 (5) : 1019 - 1024. doi: 10.1127/ejm/2016/0028-2566

Jaszczak JA, Rumsey MS, Bindi L, Hackney SA, Wise MA, Stanley CJ, Spratt J (2016) Merelaniite, Mo4Pb4VSbS15, a New Molybdenum-Essential Member of the Cylindrite Group, from the Merelani Tanzanite Deposit, Lelatema Mountains, Manyara Region, Tanzania. MINERALS, 6 (4) : doi: 10.3390/min6040115

Bhatia R, Wade B, Hilding-Kronforst S, Spratt J, Leng M, Thornalley D (2016) P-077 -Detecting foraminiferal photosymbionts in the fossil record: a combined micropalaeontological and geochemical approach.. Presented at 12th International Conference on Paleoceanography (ICP12). Utrecht Nedetherlands August 29th – September 2nd.

Salge T, Kearsley AT, Wozniakiewicz PJ, Spratt J, Goral T, Terborg R (2016) Damage in Orbit: EDS Imagery of Hubble Space Telescope Impact Craters. EMAS 2016 - 12th Regional Workshop on ELECTRON PROBE MICROANALYSIS OF MATERIALS TODAY - PRACTICAL ASPECTS, 85 5 - 8 5 5

Mondillo N, Boni M, Balassone G, Spoleto S, Stellato F, Marino A, Santoro L, Spratt J (2016) Rare earth elements (REE)-Minerals in the Silius fluorite vein system (Sardinia, Italy). ORE GEOLOGY REVIEWS, 74 : 211 - 224. doi: 10.1016/j.oregeorev.2015.11.016

Yeats C, Hollis S, LaFlamme C, Halfpenny A, Fiorentini M, Corona J-C, Southam G, Herrington R, Spratt J (2016) Actively forming Kuroko-type VMS mineralisation at Iheya North, Okinawa Trough, Japan: New geochemical, petrographic and δ34S isotope results. Applied Earth Science 125 (2) : Informa UK Limited : 99 - 99. doi: 10.1080/03717453.2016.1166680

Najorka J, Lewis JMT, Spratt J, Sephton MA (2016) Single-crystal X-ray diffraction study of synthetic sodium-hydronium jarosite. PHYSICS AND CHEMISTRY OF MINERALS, 43 (5) : 377 - 386. doi: 10.1007/s00269-016-0802-0

Turner RW, Siidra OI, Rumsey MS, Polekhovsky YS, Kretser YL, Krivovichev SV, Spratt J, Stanley CJ (2015) Yeomanite, Pb2O(OH)Cl, a new chain-structured Pb oxychloride from Merehead Quarry, Somerset, England. MINERALOGICAL MAGAZINE, 79 (5) : 1203 - 1211. doi: 10.1180/minmag.2015.079.5.14

Turner RW, Siidra OI, Rumsey MS, Polekhovsky YS, Kretser YL, Krivovichev SV, Spratt J, Stanley CJ (2015) Yeomanite, Pb2O(OH)Cl, a new chain-structured Pb oxychloride from Merehead Quarry, Somerset, England. Mineralogical Magazine, 79 (5) : 1203 - 1211. doi: 10.1180/minmag.2015.079.5.14

Zaitsev AN, Spratt J, Sharygin VV, Wenzel T, Zaitseva OA, Markl G (2015) Mineralogy of the Laetolil Footprint Tuff: A comparison with possible volcanic sources from the Crater Highlands and Gregory Rift. JOURNAL OF AFRICAN EARTH SCIENCES, 111 : 214 - 221. doi: 10.1016/j.jafrearsci.2015.07.023

Rumsey MS, Dossett I, Green DI, Najorka J, Spratt J (2015) Crookesite, Cu7TlSe4, from Littleham Cove, Devon: the first mineral containing essential thallium from the British Isles.. Journal of the Russell Society, 18 : 48 - 52.

McDonald AM, Cabri LJ, Stanley CJ, Good DJ, Redpath J, Lane G, Spratt J, Ames DE (2015) COLDWELLITE, Pd3Ag2S, A NEW MINERAL SPECIES FROM THE MARATHON DEPOSIT, COLDWELL COMPLEX, ONTARIO, CANADA. CANADIAN MINERALOGIST, 53 (5) : 845 - 857. doi: 10.3749/canmin.1500020

Rehemat B, Wade BS, Muller W, Spratt J, Evans D, Thornalley DJR (2015) Can trace element / Ca data be used to infer Eocene planktonic foramineral paleoecology?. Presented at Goldschmidt conference.

Kovrugin VM, Siidra OI, Zaitsev AN, Spratt J, Shilovskikh V, Agakhanov AA, Turner RW (2016) The crystal structure and composition of pottsite, (Pb3xBi4-2x)(VO4)(4)center dot H2O(0.8 < x < 1.0). EUROPEAN JOURNAL OF MINERALOGY, 28 (1) : 137 - 145. doi: 10.1127/ejm/2015/0027-2479

Mitchell RH, Welch MD, Kampf AR, Chakhmouradian AK, Spratt J (2015) Barrydawsonite-(Y), Na1.5CaY0.5Si3O9H: a new pyroxenoid of the pectolite-serandite group. MINERALOGICAL MAGAZINE, 79 (3) : 671 - 686. doi: 10.1180/minmag.2015.079.3.12

Bell K, Zaitsev AN, Spratt J, Frojdo S, Rukhlov AS (2015) Elemental, lead and sulfur isotopic compositions of galena from Kola carbonatites, Russia - implications for melt and mantle evolution. MINERALOGICAL MAGAZINE, 79 (2) : 219 - 241. doi: 10.1180/minmag.2015.079.2.01

Calzada_Diaz A, Joy KH, Crawford IA, Spratt J, Strekopytov S (2015) GEOCHEMICAL ANALYSIS AND POSSIBLE LAUNCH SITES OF LUNAR BRECCIAS MILLER RANGE 090036 AND MILLER RANGE 090070.. 46th Lunar and Planetary Science Conference (2015), 163 3 - 16 3 3http://www.hou.usra.edu/meetings/lpsc2015/pdf/1585.pdf

Cooper AF, Collins AK, Palin JM, Spratt J (2015) Mineralogical evolution and REE mobility during crystallisation of ancylite-bearing ferrocarbonatite, Haast River, New Zealand. LITHOS, 216 : 324 - 337. doi: 10.1016/j.lithos.2015.01.005

Zaitsev AN, Terry Williams C, Jeffries TE, Strekopytov S, Moutte J, Ivashchenkova OV, Spratt J, Petrov SV, Wall F, Seltmann R, Borozdin AP (2015) "Rare earth elements in phoscorites and carbonatites of the Devonian Kola Alkaline Province, Russia: Examples from Kovdor, Khibina, Vuoriyarvi and Turiy Mys complexes". Ore Geology Reviews, 64 : 477 - 498. doi: 10.1016/j.oregeorev.2014.06.004

Graham SD, Hill E, Domininy SC, Spratt J (null) The application of Mineralogic, an automated mineralogy solution in mineral exploration.. Society of Exploration Geologists – Building Exploration Capability for the 21st Century, 279 9 - 27 9 9http://www.segweb.org/SEG/_Events/Conference_Website_Archives/2014/Abstracts/data/papers/abstracts/0393-000318.pdf

Graham SD, Hill E, Spratt J, Dominy SC (2014) The application of Mineralogic, an automated mineralogy solution in mineral exploration. Presented at Society of Economic Geologists - Biulding exploration capability for the 21st century Sept 27th - 30th Keystone Colorado USA.

Claydon JL, Lai Y-J, Coath CD, Taylor CA, Elliott T, Strekopytov S, Spratt J, Kearsley AT, Russell SS (2014) THE Al-Mg SYSTEM IN CHONDRULES: A TWO-PRONGED APPROACH.. METEORITICS & PLANETARY SCIENCE 49 : A75 - A75.

Mitchell R, Kampf A, Chakhmouradian A, Welch M, Spratt J (2014) Compositional and structural diversity in pyroxenoids revisited: a new dreier-chain silicate Na1.5 Y0.5 Ca Si3 09 H.. IMA 2014, 19 9 - 1 9 9

Runsey M, Welch M, Origlieri M, Creasy G, Kampf A, Burgio L, Spratt J, Humphreys_Williams E, Kirk C (2014) A redefinition of Claringbullite to Cu4ClF(OH)6; the importance of type material and group/series based studies. 21st General Meeting of the International Mineralogical Association, 19 9 - 1 9 9375 - 375.

Welch MD, Mitchell R, Kampf A, Chakhmouradian A, Spratt J (2014) Compositional and structural diversity in pyroxenoids revisited: a new dreier-chain silicate Na1.5 Y0.5 Ca Si3 09 H.. Presented at 21st General Meeting of the International Mineralogical Association.

Claydon JL, Lai YJ, Elliot T, Coath CD, Taylor CA, Keasley AT, Strekopytov S, Russell SS, Spratt J (2014) Initial 26Al/27Al Ratios of Characterized Chondrules from CV Chondrites by MC-ICP-MS.. 45th Lunar and planetary Sciences Conference 2014, 38 8 - 3 8 8http://www.hou.usra.edu/meetings/lpsc2014/pdf/1997.pdf

Price MC, Kearsley AT, Wozniakiewicz PJ, Burchell MJ, Spratt J, Cole MJ, Anz-Meador P, Liou JC, Ross DK, Opiela J, Grime W, Colaux JL, Palitsin VV, Jeynes C, Webb RP, Griffin T, Gerlach L (2014) IMPACTS ON THE HUBBLE SPACE TELESCOPE WIDE FIELD AND PLANETARY CAMERA 2: EXPERIMENTAL SIMULATION OF MICROMETEOROID CAPTURE. 45 Lunar and Planetary Science Conference 2014, 38 8 - 3 8 8http://www.hou.usra.edu/meetings/lpsc2014/pdf/1466.pdf

Claydon JL, Lai YJ, Elliott T, Coath CD, Taylor CA, Kearsley AT, Spratt J, Strekopytov S, Russell SS (2014) 26Al-26Mg “ages” of characterized chondrules by MC-ICP-MS.. Presented at 45th Lunar and Planetary Sciences conference.

Price MC, Kearsley AT, Wozniakiewicz PJ, Spratt J, Burchell MJ, Cole MJ, Anz-Meador P, Liou JC, Ross K, Opiela J, Grime GW, Colaux JL, Palitsin JL, Jeynes C, Webb RP, Griffin T, Gerlach L (2014) Impacts on the Hubble Space Telescope Wide Field and Planetary Camera 2: Experimental Simulation of Micrometeoroid Capture. Presented at 45th Lunar and Planetary Science Conference.

Zaitsev AN, Williams CT, Jeffries TE, Strekopytov S, Moutte J, Ivashchenkova OV, Spratt J, Petrov SV, Wall F, Seltmann R, Borozdin AP (2014) Rare earth elements in phoscorites and carbonatites of the Devonian Kola Alkaline Province, Russia: Examples from Kovdor, Khibina, Vuoriyarvi and Turiy Mys complexes. ORE GEOLOGY REVIEWS, 61 : 204 - 225. doi: 10.1016/j.oregeorev.2014.02.002

Smith MP, Kynicky J, Xu C, Spratt J (2014) Origin of heavy rare earth enrichment in carbonatites: Evidence from the Huanglongpu Mo-district, China.. 2014 Mineral Deposit Studies Group 37th Annual meeting, Oxford; 01/2014, 61 1 - 6 1 1

Rumsey MS, Welch MD, Kampf AR, Spratt J (2013) Diegogattaite, Na2CaCu2Si8O20·H2O: a new nanoporous copper sheet silicate from Wessels Mine, Kalahari Manganese Fields, Republic of South Africa. Mineralogical Magazine, 77 (8) : 3155 - 3162. doi: 10.1180/minmag.2013.077.8.09

Müller A, Snook B, Spratt J, Williamson B, Seltmann R (2013) “Amazonite”-“Cleavelandite” Replacement Units in NYF-Type Pegmatites – Residual Fluids or Immiscible Melts?. PEG 2013: The 6th International Symposium on Granitic Pegmatites, 169 9 - 16 9 9http://pegmatology.uno.edu/news_files/PEG2013_Abstract_Volume.pdf PRINTED BY RUBELLITE PRESS, NEW ORLEANS, LA :

Muller A, Snook B, Spratt J, Williamson B, Seltmann R (2013) “Amazonite”-“cleavelandite” replacement units in NYF-type pegmatites – residual fluids or immiscible melts?. Presented at contributions to the 6th internation symposium on granitic pegmatites (PEG2013 Maine USA).

Russell SS, Armytage R, Bodenan JD, Franchi IA, Jeffries TE, Spratt J, Starkey NA (2013) Relationship Between CAIs and Chondrules: What we can Learn from a Chondrule-CAI Hybrid from the Allende CV3 Meteorite. Lunar and Planetary Science Conference 44 :

Zaitsev AN, Avdontseva EY, Britvin SN, Demeny A, Homonnay Z, Jeffries TE, Keller J, Krivovichev VG, Markl G, Platonova NV, Siidra OI, Spratt J, Vennemann T (2013) Oxo-magnesio-hastingsite, NaCa2(Mg2Fe33+)(Al2Si6)O22O2, a new anhydrous amphibole from the Deeti volcanic cone, Gregory rift, northern Tanzania. MINERALOGICAL MAGAZINE, 77 (6) : 2773 - 2792. doi: 10.1180/minmag.2013.077.6.06

Russell SS, Armytage R, Bodenan JD, Franchi IA, Jeffries T, Spratt J, Starkyey N (2013) RELATIONSHIP BETWEEN CAIS AND CHONDRULES: WHAT WE CAN LEARN FROM A CHONDRULE-CAI HYBRID IN THE ALLENDE CV3 METEORITE.. Presented at 44th Lunar and Planetary Sciences Conference USA.

Siidra OI, Krivovichev SV, Turner RW, Rumsey MS, Spratt J (2013) Crystal chemistry of layered Pb oxychloride minerals with PbO-related structures: Part II. Crystal structure of vladkrivovichevite, [Pb32O18][Pb4Mn2O]Cl-14(BO3)(8)center dot 2H(2)O. AMERICAN MINERALOGIST, 98 (1) : 256 - 261. doi: 10.2138/am.2013.4244

Siidra OI, Krivovichev SV, Turner RW, Rumsey MS, Spratt R (2013) Crystal chemistry of layered Pb oxychloride minerals with PbO-related structures: Part I. Crystal structure of hereroite, [Pb32O20(O,square)](AsO4)(2)[(Si,As,V,Mo)O-4](2)Cl-10. AMERICAN MINERALOGIST, 98 (1) : 248 - 255. doi: 10.2138/am.2013.4241

Zaitsev AN, Marks MAW, Wenzel T, Spratt J, Sharygin VV, Strekopytov S, Markl G (2012) Mineralogy, geochemistry and petrology of the phonolitic to nephelinitic Sadiman volcano, Crater Highlands, Tanzania. LITHOS, 152 : 66 - 83. doi: 10.1016/j.lithos.2012.03.001

Kampf AR, Mills SJ, Rumsey MS, Dini M, Birch WD, Spratt J, Pluth JJ, Steele IM, Jenkins RA, Pinch WW (2012) The heteropolymolybdate family: structural relations, nomenclature scheme and new species. MINERALOGICAL MAGAZINE, 76 (5) : 1175 - 1207. doi: 10.1180/minmag.2012.076.5.09

Turner RW, Siidra OI, Krivovichev SV, Stanley CJ, Spratt J (2012) Rumseyite, [Pb2OF]Cl, the first naturally occurring fluoroxychloride mineral with the parent crystal structure for layered lead oxychlorides. MINERALOGICAL MAGAZINE, 76 (5) : 1247 - 1255. doi: 10.1180/minmag.2012.076.5.11

Zaitsev AN, Ivashenkova OV, Spratt J, Williams CT (2012) Pyrochlore group minerals within phoscorites and carbonatites from the Kovdor complex, Kola. Presented at International conference Ore potential of alkaline, kimberlite and carbonatite magmatism.School «Geochemistry of Alkaline rocks» 14-18 September 2012, Sudak.

Siidra OI, Turner RW, Krivovichev SV, Spratt J (2012) Rumseyite, [Pb2OF]Cl – fluoroxychloride mineral with the parent crystal structure for layered lead oxychlorides.

Mueller A, Kearsley A, Spratt J, Seltmann R (2012) PETROGENETIC IMPLICATIONS OF MAGMATIC GARNET IN GRANITIC PEGMATITES FROM SOUTHERN NORWAY. CANADIAN MINERALOGIST, 50 (4) : 1095 - 1115. doi: 10.3749/canmin.50.4.1095

Turner R, Siidra OI, Rumsey MS, Krivovichev SV, Stanley CJ, Spratt J (2012) Hereroite and vladkrivovichevite: two novel lead oxychlorides from the Kombat mine, Namibia. MINERALOGICAL MAGAZINE, 76 (4) : 883 - 890. doi: 10.1180/minmag.2012.076.4.05

Kampf AR, Mills SJ, Rumsey MS, Spratt J, Favreau G (2012) The crystal structure determination and redefinition of matulaite, Fe3+Al7(PO4)4(PO3OH)2(OH)8(H2O)8·8H2O. Mineralogical Magazine, 76 (3) : 517 - 534. doi: 10.1180/minmag.2012.076.3.05

Rumsey MS, Krivovichev SV, Siidra OI, Kirk CA, Stanley CJ, Spratt J (2012) Rickturnerite, Pb7O4[Mg(OH)4](OH)Cl3, a complex new lead oxychloride mineral. Mineralogical Magazine, 76 (1) : 59 - 73. doi: 10.1180/minmag.2012.076.1.59

Kampf AR, Mlls SJ, Housley RM, Rumsey MS, Spratt J (2012) Lead-tellurium oxysalts from Otto Mountain near Baker, California: VII. Chromschieffelinite, Pb10Te6O20(OH)(14)(CrO4)(1120)5, the chromate analog of schieffelinite. AMERICAN MINERALOGIST, 97 (1) : 212 - 219. doi: 10.2138/am.2011.3909

SMITH M, SPRATT J (2012) The Chemistry of Niobium Mineralisation at Bayan Obo, Inner Mongolia, China: Constraints on the Hydrothermal Precipitation and Alteration of Nb-Minerals. Acta Geologica Sinica, 86 : 700 - 722.

Zaitsev AN, Chakhmouradian AR, Siidra OI, Spratt J, Williams CT, Stanley CJ, Petrov SV, Britvin SN, Polyakova EA (2011) Fluorine-, yttrium- and lanthanide-rich cerianite-(Ce) from carbonatitic rocks of the Kerimasi volcano and surrounding explosion craters, Gregory Rift, northern Tanzania. MINERALOGICAL MAGAZINE, 75 (6) : 2813 - 2822. doi: 10.1180/minmag.2011.075.6.2813

Spratt J, Kearsley A, Smith C (2011) Virtual Meteorite Sections, an Aid to Conservation and Research Access. Microscopy and Microanalysis 17 (S2) : Cambridge University Press (CUP) : 1820 - 1821. doi: 10.1017/s1431927611009974

Rumsey MS, Siidra OI, Krivovichev SV, Spratt J, Stanley CJ, Turner RW (2011) Rediscovery (?) and history of plumbonacrite.. 7th International Conference on Mineralogy and Museums, 278 8 - 27 8 8

Spratt J, Keasley AT (2011) Virtual Meteorite Sections, an Aid to Conservation and Research Access.. Presented at Microscopy and Microanalysis Conference Nashville USA.

Rumsey MS, Turner RW, Siidra OI, Krivovichev S, Spratt J, Stanley CJ, Kirk CA (2011) Update on our understanding of novel lead oxychlorides.. 1st International Mindat.org Conference, 107 7 - 10 7 7

Kearsley AT, Smith CL, Spratt J, Benedix GK, Hunt A, Russell SS, Joy KH, Gounelle M (2011) METEORITE POLISHED SECTIONS: X-RAY MAP IMAGERY FOR DOCUMENTATION, CURATION AND 'VIRTUAL-LOAN' OF IRREPLACEABLE MATERIALS. METEORITICS & PLANETARY SCIENCE 46 : A120 - A120.

Zaitsev AN, Wenzel T, Spratt J, Williams TC, Strekopytov S, Sharygin VV, Petrov SV, Golovina TA, Zaitseva EO, Markl G (2011) Was Sadiman volcano a source for the Laetoli Footprint Tuff?. JOURNAL OF HUMAN EVOLUTION, 61 (1) : 121 - 124. doi: 10.1016/j.jhevol.2011.02.004

Polyakova EA, Chakhmouradian AR, Siidra OI, Britvin SN, Petrov SV, Williams CT, Stanley CJ, Spratt J (2011) Fluorine-, yttrium- and lanthanide-rich cerianite from carbonatitic rocks of the Kerimasi volcano and surrounding explosion craters, Gregory rift, northern Tanzania.. Presented at Peralk-Carb 2011 – Workshop on peralkaline rocks Tubingen Germany 16 – 18 June.

Siidra OI, Demeny A, Spratt J, Homonnay Z, Markl G (2011) Сation distribution in the crystal structure of a new amphibole group mineral from the Deeti volcanic cone, northern Tanzania.. Presented at Peralk-Carb 2011 – Workshop on peralkaline rocks Tubingen Germany 16 – 18 June.

Purvis OW, Bennett JP, Spratt J (2011) 169Copper localization, elemental content, and thallus colour in the copper hyperaccumulator lichen Lecanora sierrae from California. LICHENOLOGIST, 43 : 165 - 173. doi: 10.1017/S0024282910000770

Mills SJ, Rumsey MS, Favreau G, Spratt J, Raudsepp M, Dini M (2011) Bariopharmacoalumite, a new mineral species from Cap Garonne, France and Mina Grande, Chile. MINERALOGICAL MAGAZINE, 75 (1) : 135 - 144. doi: 10.1180/minmag.2011.075.1.135

Smith M, Spratt J (2011) Crystal chemistry of niobium mineralisation at Bayan Obo, China: Constraints on the formation of hydrothermal Nb resources.. Presented at Mineral Deposits Study Group Winter Meeting 2011.

Kuznetsova LG, Zolotarev AA, Frank-Kamenetskaya OV, Rozhdestvenskaya IV, Bronzova YM, Spratte J, Ertl A (2011) Chemical composition and species attribution of tourmalines from a rare-metal pegmatite vein with scapolite, Sangilen Upland, Tuva. Geology of Ore Deposits, 53 (8) : 806 - 817. doi: 10.1134/s1075701511080095

Smth M, Spratt J (2011) Crystal chemistry of niobium mineralisation at Bayan Obo, China; constraints on the formation of hydrothermal Nb resources. 34th annual winter meeting of the Geological Society's Mineral Deposit Studies Group and the Applied Mineralogy Group of the Mineralogical Society and the 14th CERCAMS workshop on Ore giants of Asia, 51 1 - 5 1 1Transactions of the Institutions of Mining and Metallurgy, Section B: Applied Earth Science 2 (119) : Maney Publishing : 118 - 119.

Rumsey MS, Mills SJ, Spratt J (2010) Natropharmacoalumite, NaAl4[(OH)(4)(AsO4)(3)]center dot 4H(2)O, a new mineral of the pharmacosiderite supergroup and the renaming of aluminopharmacosiderite to pharmacoalumite. MINERALOGICAL MAGAZINE, 74 (5) : 929 - 936. doi: 10.1180/minmag.2010.074.5.929

Zaitsev AN, Williams CT, Britvin SN, Kuznetsova IV, Spratt J, Petrov SV, Keller J (2010) Kerimasite, Ca3Zr2(Fe23+Si)O-12, a new garnet from carbonatites of Kerimasi volcano and surrounding explosion craters, northern Tanzania. MINERALOGICAL MAGAZINE, 74 (5) : 803 - 820. doi: 10.1180/minmag.2010.074.5.803

Zaitsev AN, Wenzel T, Markl G, Spratt J, Petrov SV, Williams CT (2010) Mineralogy and geochemistry of nephelinites and phonolites from the Sadiman volcano, northern Tanzania. Presented at Alkaline Rocks : Petrology, Mineralogy, Geochemistry Conference Ukraine Kiev 2010.

Zaitsev AN, Wenzel T, Markl G, Spratt J, Petrov SV, Williams CT (null) Sadiman Volcano, Crater Highlands, Tanzania; does it really contain melilitites and carbonatites or its is just a phonolite-nephelinite volcano?. • IMA2010; 20th general meeting of the International Mineralogical Association, 218 8 - 21 8 8• Acta Mineralogica-Petrographica. Abstract Series

Zaitsev AN, Keller J, Spratt J, Jeffries TE, Sharygin VV (2009) Chemical Composition of Nyerereite and Gregoryite from Natrocarbonatites of Oldoinyo Lengai Volcano, Tanzania. GEOLOGY OF ORE DEPOSITS, 51 (7) : 608 - 616. doi: 10.1134/S1075701509070095

Yusupov RG, Stanley CJ, Welch MD, Spratt J, Cressey G, Rumsey MS, Seltman R, Igamberdiev E (2009) Mavlyanovite, Mn5Si3: a new mineral species from a lamproite diatreme, Chatkal Ridge, Uzbekistan. MINERALOGICAL MAGAZINE, 73 (1) : 43 - 50. doi: 10.1180/minmag.2009.073.1.43

BENEDIX GK, McCoy TJ, SPRATT J (2009) Thermodynamic constraints on the formation history of lodranites.. 40th Lunar and Planetary Science Conference., 233 3 - 23 3 3http://www.lpi.usra.edu/meetings/lpsc2009/pdf/1494.pdf

Müller A, Ihlen PM, Larsen RB, SPRATT J, SELTMANN R (2009) Quartz and garnet chemistry of South Norwegian pegmatites and its implications for pegmatite genesis. Estudos Geolόgicos, 19 : 20 - 24.

Spiro B, Xingchun Z, Halls C, Herrington R, Spratt J (2008) The distribution of Cd in sulphides and carbonates from the sediment-hosted Pb-Zn deposit at Jinding, Yunnan province, China: Mining and environmental implications.. 33rd International Geological Congress, 68 8 - 6 8 8

Zaitsev AN, Keller J, Spratt J, Perova EN, Kearsley A (2008) NYEREREITE - PIRSSONITE - CALCITE - SHORTITE RELATIONSHIPS IN ALTERED NATROCARBONATITES, OLDOINYO LENGAI, TANZANIA. CANADIAN MINERALOGIST, 46 : 843 - 860. doi: 10.3749/canmin.46.4.843

Purvis OW, Pawlik-Skowronska B, Cressey G, Jones GC, Kearsley A, Spratt J (2008) Mineral phases and element composition of the copper hyperaccumulator lichen Lecanora polytropa. MINERALOGICAL MAGAZINE, 72 (2) : 607 - 616. doi: 10.1180/minmag.2008.072.2.607

Chapman R, Mercer IF, Rankin AH, SPRATT J (2008) Thortveitite - a new gemstone. Journal of Gemmology, 31 : 1 - 6.

Yusupov RG, Stanley CJ, Welch MD, Spratt J, Cressey G, Rumsey MS, Seltmann R, Igamberdiev E (2008) Mavlyanovite, Mn5Si3, a new mineral. Geology and Mineral Resources, 5, 2008 : 3-6. [in Russian] - 3-6. [in Russian].

ZAITSEV AN, Keller J, SPRATT J, JEFFRIES TE, Sharygin VV (2008) Chemical composition of Nyerereite and gregoryite from natrocarbonatites of Oldoinyo Lengai volcano Tanzania. Zapiski (Proceedings) of the Russian Mineralogical Society, 137 : 101 - 111.

RUMSEY MS, Bridges TF, SPRATT J (2007) The first British occurrence of petitjeanite at Carrock Mine, Caldbeck Fells, Cumbria. UK Journal of Mines and Minerals, 28 : 47 - 50.

Kearsley AT, Graham GA, Burchell MJ, Cole MJ, Dai ZR, Teslich N, Bradley JP, Chater R, Wozniakiewicz PA, Spratt J, Jones G (2007) Analytical scanning and transmission electron microscopy of laboratory impacts on Stardust aluminum foils: Interpreting impact crater morphology and the composition of impact residues. METEORITICS & PLANETARY SCIENCE, 42 (2) : 191 - 210. doi: 10.1111/j.1945-5100.2007.tb00227.x

Muller A, Seltmann R, Halls C, Siebel W, Dulski P, Jeffries T, Spratt J, Kronz A (2006) The magmatic evolution of the Land's End pluton, Cornwall, and associated pre-enrichment of metals. ORE GEOLOGY REVIEWS, 28 (3) : 329 - 367. doi: 10.1016/j.oregeorev.2005.05.002

Plotinskaya OY, Kovalenker VA, Novoselov KA, Seltmann R, Stanley CJ, Spratt J (2006) Te and Se mineralogy of the Bereznyakovskoye deposit (South Urals, Russia). Cook N (Eds). Au-Ag- Te deposits. Proceedings IGCP Project 486, Field Workshop, 137 - 144.

Mason TFD, Weiss DJ, Chapman JB, Wilkinson JJ, Tessalina SG, Spiro B, Horstwood MSA, Spratt J, Coles BJ (2005) Zn and Cu isotopic variability in the Alexandrinka volcanic-hosted massive sulphide (VHMS) ore deposit, Urals, Russia. CHEMICAL GEOLOGY, 221 (3-4) : 170 - 187. doi: 10.1016/j.chemgeo.2005.04.011

Stanley CJ, Criddle AJ, Spratt J, Roberts AC, Szymanski JT, Welch MD (2005) Kingstonite, (Rh,Ir,Pt)(3)S-4, a new mineral species from Yubdo, Ethiopia. MINERALOGICAL MAGAZINE, 69 (4) : 447 - 453. doi: 10.1180/0026461056940262

Stanley CJ, Criddle AJ, Spratt J, Roberts AC, Szymański JT, Welch MD (2005) Kingstonite, (Rh,Ir,Pt)3S4, a new mineral species from Yubdo, Ethiopia. Mineralogical Magazine, 69 (4) : 447 - 453. doi: 10.1180/0026461056940262

Roberts AC, Stirling JAR, Criddle AJ, Dunning GE, Spratt J (2004) Aurivilliusite, Hg2+Hg1+OI, a new mineral species from the Clear Creek claim, San Benito County, California, USA. MINERALOGICAL MAGAZINE, 68 (2) : 241 - 245. doi: 10.1180/0026461046820184

Müller A, Seltmann R, Halls C, Jeffries T, Dulski P, Spratt J (2004) The Land's End granite, Cornwall: the evolution of a composite and mineralised pluton. • Ussher Society annual conference, Taunton, United Kingdom (January, 2004), 51 1 - 5 1 1Proceedings of the Ussher Society 1 (11) : 71 - 71.

WILLIAMS CT, KEARSLEY AT, RUMSEY M, SPRATT J (2004) Imaging and microanalysis of uncoated mineral specimens using a variable pressure scanning electron microscope. Mineralogy & Museums V, 5th International Conference, Abstracts,

Evans D M , Spratt J (2000) Platinum and palladium oxides/hydroxides from the Great Dyke, Zimbabwe, and thoughts on their stability and possible extraction. Rammlmair D (Eds). ICAM 2000, 177 7 - 17 7 7Applied mineralogy in research, economy, technology, ecology and culture, D. Balkema : Rotterdam. 289 - 292.

Williamson BJ, Spratt J, Adams JT, Tindle AG, Stanley CJ (2000) Geochemical constraints from zoned hydrothermal tourmalines on fluid evolution and Sn mineralization: an example from fault breccias at Roche, SW England. JOURNAL OF PETROLOGY, 41 (9) : 1439 - 1453. doi: 10.1093/petrology/41.9.1439

Large DJ, Sawlowicz Z, Spratt J (1999) A cobaltite-framboidal pyrite association from the Kupferschiefer: possible implications for trace element behaviour during the earliest stages of diagenesis. MINERALOGICAL MAGAZINE, 63 (3) : 353 - 361. doi: 10.1180/002646199548574

Williamson BJ, Adams JT, Tindle AG, Spratt J, Stanley CJ (1999) Geochemical Constraints from Tourmaline Hydrothermal Overgrowths on the Evolution of Mineralising Fluids. EUG 10 The European Union of Geosciences Meeting, 283 3 - 28 3 3https://www.infona.pl/resource/bwmeta1.element.agro-journal-aed710b2-63a9-4962-9ccb-84797547df26/tab/jContent

Betterton J, Green DI, Jewson C, Spratt J, Tandy P (1998) The composition and structure of jeanbandyite and natanite. MINERALOGICAL MAGAZINE, 62 (5) : 707 - 712. doi: 10.1180/002646198547945

Mordberg LE (1998) Alteration of Zircons: The Evidence of Zr Mobility During Bauxitic Weathering. Mineralogical Magazine 62A (2) : Mineralogical Society : 1021 - 1022. doi: 10.1180/minmag.1998.62a.2.201

TAMANA H, CRIDDLE A, GRIME G, VAUGHAN D, SPRATT J (1994) TRACE-ELEMENTS IN PLATINUM-GROUP MINERALS STUDIED USING NUCLEAR MICROSCOPY. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS 89 (1-4) : 213 - 218. doi: 10.1016/0168-583X(94)95175-6

Cressey G, Spratt J, Cressey BA (1993) Electron and X-ray petrography of an unusual serpentine from the Tilley Foster Mine, Brewster, New York. The Canadian Mineralogist, 31 (2) : 447 - 458. doi: 10.3749/1499-1276-31.2.447

CRIDDLE AJ, TAMANA H, SPRATT J, REESON KJ, VAUGHAN D, GRIME G (1993) MICRO-PIXE ANALYSIS OF PLATINUM-GROUP MINERALS FROM PLACER DEPOSITS. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS 77 (1-4) : 444 - 449. doi: 10.1016/0168-583X(93)95578-S

Spratt J, Criddle AJ (1991) Further studies on the platinum group minerals from the Joubdo Stream, Birbir River, Ethiopia. • Mineralogical Society of Great Britain and Ireland winter conference; Industrial and environmental mineralogy, 41 1 - 4 1 1

SOUTHGATE VR, ROLLINSON D, DEBONT J, VERCRUYSSE J, VANAKEN D, SPRATT J (1990) SURFACE-TOPOGRAPHY OF THE TEGUMENT OF ADULT SCHISTOSOMA-NASALE RAO, 1933 FROM SRI-LANKA. SYSTEMATIC PARASITOLOGY, 16 (2) : 139 - 147. doi: 10.1007/BF00009612

Teaching and students

Courses taught

Short course: Electron Probe Microanalysis EDX / WDX
2/2017 - 3/2017.

Short course: NERC - Analytical SEM and electron probe microanalysis workshop
2/2015.

Short course: NERC - Analytical SEM and electron probe microanalysis workshop
1/2015.

Short course: Electron Probe Microanalysis EDX / WDX Feb 2014
2/2014.

Short course: Electron Probe Microanalysis EDX / WDX Feb 2013
2/2013.

Short course: Electron Probe Microanalysis EDX / WDX Oct 2011
10/2011.

Short course: Electron Probe Microanalysis EDX / WDX Mar 2011
3/2011.

Short course: Electron Probe Microanalysis EDX / WDX Oct 2010
10/2010.

Short course: Electron Probe Microanalysis EDX / WDX Dec 2009
11/2009 - 12/2009.

Short course: Electron Probe Microanalysis EDX / WDX Mar 2008
3/2008.

Short course: Electron Probe Microanalysis EDX / WDX Nov 2007
11/2007.

Unconventional Platinum Gruop Minerals - SGA-IAGOD short course
8/1999.

Impact and outreach

Invited and keynote speaker

Invited speaker, Macro-Micro-Nanoscale SEM/EDS of earth and planetary materials, EMAS 2018 - Microbeam Analysis in the Earth Sciences: Bristol, United Kingdom, 5/9/2019.

Keynote speaker, Applications of inorganic analytical techniques at the National History Museum, AstraZeneca Inorganics Day 2016: AstraZeneca (United Kingdom), Macclesfield, United Kingdom, 13/7/2016.

Keynote speaker, The application of EPMA (EDX and WDX) in regard to natural and man-made materials., Astra Zeneca internal conference on inorganic chemistry: 13/7/2016.

Correlation of electron microprobe X-ray maps and X-ray computed tomography datasets from a gold ore, Tomography for Scientific Advancement (ToSca) Symposium: 10/9/2013.

Invited speaker, Virtual meteorite sections: an aid to conservation and research access., Socirty of Electron Microscope Technology Annual One day meeting: 14/12/2011.

Invited speaker, Different methods of analysing silicate minerals by electron microprobe, Royal Society Sino-UK Workshop Kunming and Xuan Wei, Yunnan Province 23-28 Nov 2008: 23/11/2008.

Digital Storage and Archiving of SEM and TEM images, Society of Electron Microscope Technology: 20/12/1989.