Mr John Spratt

Mr John Spratt

Electron Probe Microanalyst

Department: Core Research Laboratories
Division: Imaging and Analysis Centre
Contact: email

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.

Publications

Bell K, Zaitsev AN, Spratt J, Frodjo S, Rukhlova 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), 16 - 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, 324 - 337. doi: 10.1016/j.lithos.2015.01.005

Zaitsev AN, Williams CT, Jeffries TE, Strekopytov S, Moutte J, Ivashchenkova OV, Spratt J, Petrov SV, Wall F, Seltmann R, Borozdin AP (2015) Reprint of "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.oregeorev2014.06.004

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 :

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, 1 - 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, 1 - 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, 3 - 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, 3 - 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, Terry WilliamsC, 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, 6 - 6 1 1

Rumsey MS, Welch MD, Kampf AR, Spratt J (2013) Diegogattaite, Na2CaCu2Si8O20 center dot 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, 16 - 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, Spratt J, Franchi IA, Jeffries T, Starky NA (2013) RELATIONSHIP BETWEEN CAIS AND CHONDRULES: WHAT WE CAN LEARN FROM A CHONDRULE-CAI HYBRID IN THE ALLENDE CV3 METEORITE.. 44th Lunar and Planetary Science Conference (2013), 1 - 1 8 8http://www.lpi.usra.edu/meetings/lpsc2013/pdf/2062.pdf

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 J (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 OL, Turner RW, Spratt J, Krivovichev SV (2012) Rumseyite, [Pb2OF]Cl - fluoroxychloride mineral with the parent crystal structure for layered lead oxychlorides.. Presented at 27th European Crystallographic Meeting Bergen Norway.

Müller A, Kearsley A, Spratt J, Seltmann R (2012) Petrogenetic implications of magmatic garnet in granitic pegmatites from southern Norway. The 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 S, 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, Mills SJ, Housley RM, Rumsey MS, Spratt J (2012) Lead-tellurium oxysalts from Otto Mountain near Baker, California: VII. Chromschieffelinite, Pb10Te6O20(OH)14(CrO4)(H20)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 AT, Smith CL (2011) Virtual Meteorite Sections, an Aid to Conservation and Research Access.. Microscopy and Microanalysis 17 : Copyright © Microscopy Society of America 2011 : 1820 - 1821. doi: 10.1017/S1431927611009974

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

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 :

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. The Lichenologist, 43 (2) : 165 - 173. doi: 10.1017/s0024282910000770

Mills S, Rumsey M, 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, Spratt 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

Rumsey MS, Mills SJ, Spratt J (2010) Natropharmacoalumite, NaAl4[(OH)4(AsO4)3].4H2O, 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(Fe2Si)O12, 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, 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, Seltmann 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., 23 - 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, 6 - 6 8 8

Zaitsev AN, Keller J, Spratt J, Perova EN, Kearsley A (2008) Nyererite - Pirssonite - Calcite - Shortite relationships in altered natrocarbonatites, Oldoinyo Lengai, Tanzania. Canadian Mineralogist, 46 (4) : 843 - 860. doi: 10.3749/canmin.46.4.843

Purvis W, 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,

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 PJ, 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 and 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 C, 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 : 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, Roberts AC, Szymanski J, Spratt J, Welch MD (2005) Kingstonite, (Rh,Ir,Pt)3S4 a new rhodium sulphide from Yubdo, Ethiopia. Mineralogical Magazine, 65 : 449 - 455.

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. The Ussher Society 42nd Conference, Abstracts,

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 DM, 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, 17 - 17 7 7Applied mineralogy in research, economy, technology, ecology and culture, D. Balkema : Rotterdam. 289 - 292.

Williamson BJ (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 (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, 28 - 28 3 3https://www.infona.pl/resource/bwmeta1.element.agro-journal-aed710b2-63a9-4962-9ccb-84797547df26/tab/jContent

Betterton J, Jewson C, Green DI, 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, Spratt J (1998) Alteration of Zircons: The Evidence of Zr Mobility During Bauxitic Weathering. Goldschmidt Conference, Mineralogical Magazine The 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 and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 89 : 213 - 218. doi: 10.1016/0168-583X(94)95175-6

Cressey G, Spratt J, Cressey B (1993) ELECTRON AND X-RAY PETROGRAPHY OF AN UNUSUAL SERPENTINE FROM THE TILLY FOSTER MINE, BREWSTER, NEW-YORK. CANADIAN MINERALOGIST, 31 : 447 - 458.

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 and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 77 : 444 - 449. doi: 10.1016/0168-583X(93)95578-S

Southgate VR, Rollinson D, De BontJ, Vercruysse J, Van AkenD, 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: NERC - Analytical SEM and electron probe microanalysis workshop
2/2015 - 2/2015.

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

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

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

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

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

Short course: Electron Probe Microanalysis EDX / WDX Oct 2010
10/2010 - 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 - 3/2008.

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

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

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.

Publications

Publications

Bell K, Zaitsev AN, Spratt J, Frodjo S, Rukhlova 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), 16 - 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, 324 - 337. doi: 10.1016/j.lithos.2015.01.005

Zaitsev AN, Williams CT, Jeffries TE, Strekopytov S, Moutte J, Ivashchenkova OV, Spratt J, Petrov SV, Wall F, Seltmann R, Borozdin AP (2015) Reprint of "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.oregeorev2014.06.004

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 :

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, 1 - 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, 1 - 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, 3 - 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, 3 - 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, Terry WilliamsC, 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, 6 - 6 1 1

Rumsey MS, Welch MD, Kampf AR, Spratt J (2013) Diegogattaite, Na2CaCu2Si8O20 center dot 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, 16 - 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, Spratt J, Franchi IA, Jeffries T, Starky NA (2013) RELATIONSHIP BETWEEN CAIS AND CHONDRULES: WHAT WE CAN LEARN FROM A CHONDRULE-CAI HYBRID IN THE ALLENDE CV3 METEORITE.. 44th Lunar and Planetary Science Conference (2013), 1 - 1 8 8http://www.lpi.usra.edu/meetings/lpsc2013/pdf/2062.pdf

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 J (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 OL, Turner RW, Spratt J, Krivovichev SV (2012) Rumseyite, [Pb2OF]Cl - fluoroxychloride mineral with the parent crystal structure for layered lead oxychlorides.. Presented at 27th European Crystallographic Meeting Bergen Norway.

Müller A, Kearsley A, Spratt J, Seltmann R (2012) Petrogenetic implications of magmatic garnet in granitic pegmatites from southern Norway. The 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 S, 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, Mills SJ, Housley RM, Rumsey MS, Spratt J (2012) Lead-tellurium oxysalts from Otto Mountain near Baker, California: VII. Chromschieffelinite, Pb10Te6O20(OH)14(CrO4)(H20)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 AT, Smith CL (2011) Virtual Meteorite Sections, an Aid to Conservation and Research Access.. Microscopy and Microanalysis 17 : Copyright © Microscopy Society of America 2011 : 1820 - 1821. doi: 10.1017/S1431927611009974

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

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 :

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. The Lichenologist, 43 (2) : 165 - 173. doi: 10.1017/s0024282910000770

Mills S, Rumsey M, 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, Spratt 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

Rumsey MS, Mills SJ, Spratt J (2010) Natropharmacoalumite, NaAl4[(OH)4(AsO4)3].4H2O, 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(Fe2Si)O12, 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, 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, Seltmann 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., 23 - 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, 6 - 6 8 8

Zaitsev AN, Keller J, Spratt J, Perova EN, Kearsley A (2008) Nyererite - Pirssonite - Calcite - Shortite relationships in altered natrocarbonatites, Oldoinyo Lengai, Tanzania. Canadian Mineralogist, 46 (4) : 843 - 860. doi: 10.3749/canmin.46.4.843

Purvis W, 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,

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 PJ, 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 and 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 C, 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 : 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, Roberts AC, Szymanski J, Spratt J, Welch MD (2005) Kingstonite, (Rh,Ir,Pt)3S4 a new rhodium sulphide from Yubdo, Ethiopia. Mineralogical Magazine, 65 : 449 - 455.

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. The Ussher Society 42nd Conference, Abstracts,

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 DM, 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, 17 - 17 7 7Applied mineralogy in research, economy, technology, ecology and culture, D. Balkema : Rotterdam. 289 - 292.

Williamson BJ (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 (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, 28 - 28 3 3https://www.infona.pl/resource/bwmeta1.element.agro-journal-aed710b2-63a9-4962-9ccb-84797547df26/tab/jContent

Betterton J, Jewson C, Green DI, 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, Spratt J (1998) Alteration of Zircons: The Evidence of Zr Mobility During Bauxitic Weathering. Goldschmidt Conference, Mineralogical Magazine The 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 and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 89 : 213 - 218. doi: 10.1016/0168-583X(94)95175-6

Cressey G, Spratt J, Cressey B (1993) ELECTRON AND X-RAY PETROGRAPHY OF AN UNUSUAL SERPENTINE FROM THE TILLY FOSTER MINE, BREWSTER, NEW-YORK. CANADIAN MINERALOGIST, 31 : 447 - 458.

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 and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 77 : 444 - 449. doi: 10.1016/0168-583X(93)95578-S

Southgate VR, Rollinson D, De BontJ, Vercruysse J, Van AkenD, 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 activities

Courses taught

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

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

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

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

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

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

Short course: Electron Probe Microanalysis EDX / WDX Oct 2010
10/2010 - 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 - 3/2008.

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

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