 | | Report (issue) | | element mineralisation in the U.nst ophiolite, Shetland I I I I I I I I I I I I I I I I I I I I I...Platinum-group element mineralisation in the Unst ophiolite, Shetland Geochemistry A. G. Gunn, BA, MSc R....thanks are due to the landoRners'and residents of Unst for permission to enter and work on the ground....chromite mineralisation dontaining PGH near Harold's Grave and at Cliff. Thanks are also due to Hr D....ultrabasic rocks In the Baitasound-Hagdale area, Unst, Shetland Islands 36 An appraisal of the VLF ground resistivity |  | Derbyshire, E.J., O'Driscoll, B., Lenaz, D., Gertisser, R., Kronz, A. (2013) Compositionally heterogeneous podiform chromitite in the Shetland Ophiolite Complex (Scotland): Implications for chromitite petrogenesis and late-stage alteration in the upper mantle portion of a supra-subduction zone ophiolite. Lithos, 162. 279-300 doi:10.1016/j.lithos.2012.11.013 | Journal (article/letter/editorial) | | podiform chromitite in the Shetland Ophiolite Complex (Scotland): Implications for chromitite petrogenesis...Geographical Sciences, Keele University, Keele, ST5 5BG, UK Dipartimento di Matematica e Geoscienze, UniversitĆ ...Available online xxxx Keywords: Podiform chromitite Shetland Ophiolite Complex Platinum-group minerals...mantle sequence of the ~ 492 Ma Shetland Ophiolite Complex (SOC; Scotland) contains abundant compositionally...compositionally heterogeneous podiform chromitite bodies enclosed in elongate dunite lenses in the vicinity of |  | Prichard, Hazel M., SuĆ”rez, Saioa, Fisher, Peter C., Knight, Robert D., Watson, John S. (2018) Placer platinum-group minerals in the Shetland ophiolite complex derived from anomalously enriched podiform chromitites. Mineralogical Magazine, 82 (3) 491-514 doi:10.1180/minmag.2017.081.099 | Journal (article/letter/editorial) | | PLACER PLATINUM-GROUP MINERALS IN THE SHETLAND OPHIOLITE COMPLEX DERIVED FROM ANOMALOUSLY ENRICHED PODIFORM...University, Main College, Park Place, Cardiff, CF10 3AT, UK. Department of Mineralogy and Petrology, UPV/EHU...Walton Hall, Milton Keynes, Buckinghamshire, MK7 6AA, UK. *Email: saioa.suarez@ehu.es Abstract. Highly anomalous...chromitites at the Cliff and Harold's Grave localities in the Shetland ophiolite complex have been well...and Ir-Sb) and Os in the rocks are absent. At Harold's Grave only 3 alluvial PGM (laurite, Ir, Os) and Au |  | Brough, C. P., Prichard, H. M., Neary, C. R., Fisher, P. C., McDonald, I. (2015) Geochemical Variations Within Podiform Chromitite Deposits in the Shetland Ophiolite: Implications for Petrogenesis and PGE Concentration. Economic Geology, 110 (1) 187-208 doi:10.2113/econgeo.110.1.187 | Journal (article/letter/editorial) | | Geochemical Variations Within Podiform Chromitite Deposits in the Shetland Ophiolite: Implications for Petrogenesis...Cardiff CF10 3AT, United Kingdom Abstract The Shetland ophiolite, located to the northeast of the Scottish...The chromitite at Cliff is enriched in Pt, Pd, and Rh PGE (PPGE) and the Haroldās Grave chromitite is...(IPGE). Analysis of multiple samples of chromitite from chromite quarry spoil tips and surrounding chromite-bearing...geochemistry and the PGE. Both Cliff and Haroldās Grave have a characteristic chromite geochemistry, which |  | | Report (chapter) | | An overview of the PGE concentrations in the Shetland ophiolite complex H. M. P R I C H A R D & R. A...Open University, Walton Hall, Milton Keynes MK7 6AA UK Abstract: Extremely anomalous platinum-group element...concentrations are known at one site, Cliff, in the Shetland ophiolite complex. Systematic PGE analysis of...approximately 7 0 k m 2) on Unst and Fetlar, the most northeastern islands in Shetland and the British Isles...lithologies on Fetlar, which lies to the south of Unst. In Unst, harzburgite, containing dunite lenses, some |  | | Journal (article/letter/editorial) | | O N E Department of Geology, Royal Museum of Scotland, Chambers Street, Edinburgh EH1 1JF Synopsis A...reveals that about 132 mineral species new to Scotland have been discovered. This is a 3 2 % increase...include the discovery of platinum group minerals in Shetland, w o r k on manganese oxides and hydroxides and...information about species not previously listed for Scotland. It therefore seems appropriate to take stock...e r the last decade m a n y minerals n e w to Scotland have been discovered by the electronprobemicroanalyser |  | O'Driscoll, Brian, Day, James M.D., Walker, Richard J., Daly, J. Stephen, McDonough, William F., Piccoli, Philip M. (2012) Chemical heterogeneity in the upper mantle recorded by peridotites and chromitites from the Shetland Ophiolite Complex, Scotland. Earth and Planetary Science Letters, 333. 226-237 doi:10.1016/j.epsl.2012.03.035 | Journal (article/letter/editorial) | | peridotites and chromitites from the Shetland Ophiolite Complex, Scotland Brian OāDriscoll a,n, James M.D...Geographical Sciences, Keele University, Keele ST5 5BG, UK Geosciences Research Division, Scripps Institution...heterogeneity preserved in the 492 Ma Shetland Ophiolite Complex (Scotland) are evaluated using ReāOs isotope...and 21 serpentinised harzburgites and dunites. Shetland dunites have more variable initial 187Os/188Os...than for the spatially associated harzburgites. Chromitite seams from three locations separated by o 500 |  | | Book | | ENVIRONMENT RESEARCH COUNCIL of Unst and Fetlar in Shetland Geopark Shetland Tectonostratigraphical succession...succession and Quaternary sequence on Unst and Fetlar, Shetland. Landslides Blown sand Peat Alluvial diatomite...UNCONFORMITY Tectonostrati!!raohical succession on Unst and Fetlar Silurian to Devonian Silurian Minor...Silurian Late Cambrian to Silurian Cambrian Shetland OphioliteComplex Cambrian Metaharzburgite Layer...Silurian Norwick Graphitic Schist Norwick Phyllite Unst Phyllite Group Leagarth Phyllite original stratigraphical |  | Prichard, H.M., Barnes, Stephen J., Dale, C.W., Godel, B., Fisher, P.C., Nowell, G.M. (2017) Paragenesis of multiple platinum-group mineral populations in Shetland ophiolite chromitite: 3D X-ray tomography and in situ Os isotopes. Geochimica et Cosmochimica Acta, 216. 314-334 doi:10.1016/j.gca.2017.03.035 | Journal (article/letter/editorial) | | platinum-group mineral populations in Shetland ophiolite chromitite: 3D X-ray tomography and in situ Os...platinum-group mineral populations in Shetland ophiolite chromitite: 3D X-ray tomography and in situ Os...platinum-group mineral populations in Shetland ophiolite chromitite: 3D X-ray tomography and in situ Os...Sciences, Cardiff University, Cardiff, CF10 3AT, Wales, UK. b c CSIRO Mineral Resources, Perth, WA, Australia...Earth Sciences, Durham University, Durham, DH1 3LE, UK. d Deceased, Jan 1 2017. *steve.barnes@csiro.au |  | | Journal (article/letter/editorial) | | images of chromite grains in Haroldās Grave chromitite in the Shetland ophiolite. Hazel M. Pricharda , Stephen...Sciences, Cardiff University, Cardiff, CF10 3AT, Wales, UK. 7 8 b CSIRO Mineral Resources, Kensington, WA...chromite, high resolution X-ray computed tomography, Shetland, ophiolite. 12 Abstract A fundamental difference...another texture 17 characteristic of ophiolitic chromitite. The analysis of high resolution X-ray computed...computed tomography 18 images of chromitite from Haroldās Grave in the Shetland ophiolite has revealed 3D hopper |  | | Journal (article/letter/editorial) | | Springer-Verlag 1990 Platinum-Group Mineral Inclusions in Chromitite from the Osthammeren Ultramafic Tectonite Body...platinum-group minerals (PGM) have been found in massive chromitite from the Osthammeren ultramafic tectonite (serpentinite)...genesis of the P G M is briefly discussed. Seventy chromitite samples from nineteen ultramafic tectonite bodies...total PGE. Platinum-Group Mineral Inclusions in Chromitite II / ? ::/y / OSTHAMMEREN7 ,Ā¢/ ~. "cO/ ~...from the Osthammeren body consists of massive chromitite-ore, with very little gangue. It was collected |  | | Journal (article/letter/editorial) | | However, within the CaledonianUnst ophiolite(Shetland)Pt-Pd-enriched chromititeswith extraordinarily...Lekaoff the coastof cen- (New Brunswick),Bay of Islands(Newfoundland), tral Norwayand exhibitsall the normalcomponents...normalcomponents Bette Cove (Newfoundland),Balluntrue(Scotland), ā¢ Lek ā¢ Skei Gp. (cgl., s.st., micasch.)...mappingtheir in chromite; 10- to 20-cm-thick zones of chromitite cryptic variation. are developedin severalcases...unit III and serves,torhythmicunits.Where both chromitite-and sulfide- gether with the very markedbasesof |  | | Book | | MINERALS OF SCOTLAND PAST AND PRESENT Alec Livingstone National Museums of Scotland Publishing Limited... Publishedby NMS PublishingLimited NationalMuseumsof Scotland ChambersStreet EdinburghEHl lJF Ā© 1MS PublishingLimited...FOREWORD Vll ACKNOWLEDGEMENTS INTRODUCTION Scotland, the country, physiography Xl Xlll SCOTLAND'S...SCOTLAND'S GEOLOGICAL EVOLUTION The voyage of Scotland through time COLLECTORS AND COLLECTIONS Introduction...species 1 55 2 Minerals originally discovered in Scotland 188 3 Scottish minerals 1991-96 190 REFERENCESAND |  | Malitch, K.N., Belousova, E.A., Griffin, W.L., Badanina, I.Yu., Knauf, V.V., O'Reilly, S.Y., Pearson, N.J. (2017) Laurite and zircon from the Finero chromitites (Italy): New insights into evolution of the subcontinental mantle. Ore Geology Reviews, 90. 210-225 doi:10.1016/j.oregeorev.2017.06.027 | Journal (article/letter/editorial) | | element and Hf-isotope data of zircon from two chromitite localities at Alpe Polunia and Rio Creves. The...orogeny. The Os isotopic composition of laurite/chromitite probably preserves their mantle signature and...assumption of a single metasomatic event during chromitite formation. The trace-element signatures of zircons...commonly assumed. Keywords: laurite, zircon, chromitite, age, Hf-Os-isotopes, subcontinental mantle,...podiform chromitites, respectively. Two other chromitite types of much less economic significance are |  | | Journal (article/letter/editorial) | | Keywords: Kondyor massif, Pt-Fe alloys; Os-Ir alloys, chromitite, dunite, clinopyroxenite, Re-Os-isotopes, Highly...obtained also for 13 Pt-Fe alloy grains from a chromitite schlieren within the dunite core of the Kondyor...massive chromitite with visible Pt-Fe minerals (sample K-2014, Figs. 1 and 2). Both chromitite of samples...assemblage. The dunite core (zone A) with associated chromitite lenses and veins are rimmed by metadunite (olivine...the associated silicate minerals, samples of chromitite and clinopyroxenite were first investigated in |  | | Report (issue) | | Vidlin in Shetland (for base metals), in near-shore waters off the island of Rhum, northwest Scotland (for...(for copper and gold), at Foreburn in southwest Scotland (for gold) and in the Craven Basin in northern...Geological Survey, Keyworth, Nottingham, NG 12 SGG, UK (telephone: 0()077 6111; telex: 378173 BGSKEY G;...Molybdenite mineralisation rocks, near Lairg, Scotland in Precambrian M J Gallagher and RT Smith (1976)...mineralisation, Vidlin, Shetland (Report No. 4) 4 Investigation Vidlin, Shetland of copper sulphide |  | | Journal (article/letter/editorial) | | from the southeastern Turkey: Implications for chromitite genesis Recep Melih Akmaz a,ā, Ibrahim Uysal...Available online 4 December 2013 Keywords: Ophiolitic chromitite Platinum-group mineral Base-metal sulļ¬de Supra-subduction...94 ppb (average 84 ppb). However, two high-Cr chromitite samples showed signiļ¬cant enrichments especially...(Bozkurt and Mittwede, 2001). The investigated chromitite occurrences are located within the ophiolites...Many ophiolitic units, which contain signiļ¬cant chromitite bodies, are present in various parts of Turkey |  | | Book | | Thordarson & Armann HosJ...-uldsson 4. Cana,)' Islands Juan Carlos Carracedo & Simon Day 5. The north...NortlrnĀ·est Highlands of Scotland Con Gillen 9. The Inner Hebrides of Scotland Con Gillen 11. The Gulf...sters Da,Ā·id Alexander Geology and landscapes of Scotland Con Gillen La catastrophe: A1ow11Pelee and the...orkcd m er the past 150 years to establish these islands as a major centre of academic and economic minerJlogy...London; National Museums of Scotland (Royal Museum and Museum of Scotland), Edinburgh; Oxford University |  | | Book | | JOHAN (With 3 Figures) . . . . . . .. 267 The Shetland Ophiolite: Evidence for a Supra-Subduction Zone...Geological Survey, 64-78 Grays Inn Road, London WCIX 8NG, UK Mineral Deposits within the European Community (ed...scheelite) and scheelite skarn deposits. Carrock Fell, UK. The Carrock Fell deposit, located in the northern... Carrock Fell tungsten vein deposit, NW England, UK (Caledonian) Sample No. H 20 /lmol g-l H 2Omol%...Acknowledgements. We are grateful to Amax Exploration (UK) Inc. for access to borehole cores from their Hemerdon |
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