 | | Journal (article/letter/editorial) | | mantle tectonite at Haroldâs Grave (Shetland Ophiolite Complex, Scotland) Inna Yu. Badanina & Kreshimir N...in a mantle tectonite at Unst in the Shetland Ophiolite Complex (SOC), Scotland. The study utilized a number...grains are dominated by laurite and osmian iridium, with subordinate laurite + osmian iridium + iridian...iridian osmium and rare laurite + IrRh alloy + Rh-rich sulphide (possibly prassoite). The compositional variability...variability of associated laurite and Os-rich alloys at Editorial handling: J.G. Raith I. Y. Badanina |  | | Journal (article/letter/editorial) | | Platinum exploration on the Isle of Unst Stephen J. Thompson The geology and prospectivity of an area...area north of Baltasound on the island of Unst, Shetland is reviewed. Reconnaissance investigations in...locations, the best intersections being located at Cliff where platinum and palladium both exceed 100 ppm...2005. Keywords: Platinum exploration, Isle of Unst, Shetland INTRODUCTION This paper reviews the geology...Baltasound on the island of Unst, the northern-most of the Shetland Islands. Unst (Fig. 1) lies 200 miles |  | 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) | | multiple platinum-group mineral populations in Shetland ophiolite chromitite: 3D X-ray tomography and...multiple platinum-group mineral populations in Shetland ophiolite chromitite: 3D X-ray tomography and...multiple platinum-group mineral populations in Shetland ophiolite chromitite: 3D X-ray tomography and...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 |  | 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) | | heterogeneous 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, UniversitĂ ...Available online xxxx Keywords: Podiform chromitite Shetland Ophiolite Complex Platinum-group minerals Supra-subduction...mantle sequence of the ~ 492 Ma Shetland Ophiolite Complex (SOC; Scotland) contains abundant compositionally...Viels, Hagdale, Harold's Grave, Nikka Vord and Cliff reveal signiïŹcant inter-pod chemical heterogeneity |  | | Journal (article/letter/editorial) | | Caledonian maficâultramafic intrusions of northeast Scotland have been a major target of investigations by...at several stratigraphic levels in the Unst ophiolite, Shetland. Pt and Pd both exceed 100 ppm close to...the cumulate sequence of the complex. Elsewhere on Unst PGE mineralization more typical of ophiolites, dominated...igneous centres on Rum, Mull and Skye in northwest Scotland. In each case abundant and diverse PGM assemblages...the Mauchline and Thornhill basins in southern Scotland. The genesis of the precious-metal grains is attributed |  | 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 OâDriscoll 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 ReâOs isotope...and 21 serpentinised harzburgites and dunites. Shetland dunites have more variable initial 187Os/188Os...value, of the bulk convecting upper mantle. The Shetland peridotite compositions reïŹect protracted melt |  | Prichard, Hazel M., SuĂĄrez, 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...podiform chromitites at the Cliff and Harold's Grave localities in the Shetland ophiolite complex have been...PGE-rich chromitites. The placer PGM assemblage at Cliff is dominated by Pt-arsenides (64%) and Pd-antimonides |  | | 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 |  | | 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....mineralisation dontaining PGH near Harold's Grave and at Cliff. Thanks are also due to Hr D. Cameron ( BGS) and...ultrabasic rocks In the Baitasound-Hagdale area, Unst, Shetland Islands 36 An appraisal of the VLF ground resistivity |  | | Journal (article/letter/editorial) | | concentration in the Cliff chromitites of the Shetland Ophiolite Complex, Scotland Brian OâDriscoll1,*...9PL, UK Department of Earth Sciences, Natural History Museum, Cromwell Road, London SW7 5BD, UK 3 Geosciences...odriscoll@manchester.ac.uk Abstract The ~492 Ma Shetland Ophiolite Complex (SOC) contains an extensive...element (PGE) mineralisation. Specifically, the Cliff chromitite suite has relatively high (>250 ppm)...PGE-bearing phases at Cliff. The combined datasets reveal that the PGE at Cliff have likely been fractionated |  | | 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 |  | | 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...(PGE) concentrations are known at one site, Cliff, in the Shetland ophiolite complex. Systematic PGE analysis...enrichments as anomalous as those at Cliff have not been found. At Cliff the anomalous values of over 60 ppm...The only other chromiterich dunite lens in the Cliff area also has detected Pt and Pd but with low Pt |  | | Journal (article/letter/editorial) | | associated Ru-, Os-, Ir-, and Rh-bearing PGM's from the Shetland ophiolite complex M. Tarkian ~ and H. M. Prichard...irarsite-hollingworthite solid-solution series occur in the Shetland ophiolite complex. Hollingworthite frequently...minerals (PGM's) in ophiolite complexes. Two types of laurite are present. An Os-rich (up to 22% Os) variety...few cases laurite is surrounded by a ruthenian pentlandite containing up to 12% Ru. Laurite and Os-Ir-Ru...Legendre 1982). Auge (1985) records the presence of laurite, Os-Ir-Ru alloys and more rarely irarsite from |  | 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) | | Variations Within Podiform Chromitite Deposits in the Shetland Ophiolite: Implications for Petrogenesis and PGE...Cardiff CF10 3AT, United Kingdom Abstract The Shetland ophiolite, located to the northeast of the Scottish...anomalous PGE concentrations. The chromitite at Cliff is enriched in Pt, Pd, and Rh PGE (PPGE) and the...of multiple samples of chromitite from chromite quarry spoil tips and surrounding chromite-bearing dunite...between the chromite geochemistry and the PGE. Both Cliff and Haroldâs Grave have a characteristic chromite |  | | Report (issue) | | Creek, Canada); bowieite, platinum, IrâPt alloys, laurite, silicate inclusions (Salmon River, Alaska, USA);...cuprorhodsite, malanite, cuproiridsite, iridosmine, laurite, erlichmanite, cooperite, sperrylite, chalcopyrite...Haroldâs Grave and Cliff quarries, Baltasound-Haroldswick area, Unst, Shetland, Scotland. In Ethiopia, in |  | Zaccarini, Federica, Economou-Eliopoulos, Maria, Kiseleva, Olga, Garuti, Giorgio, Tsikouras, Basilios, Pushkarev, Evgenii, Idrus, Arifudin (2022) Platinum Group Elements (PGE) Geochemistry and Mineralogy of Low Economic Potential (Rh-Pt-Pd)-Rich Chromitites from Ophiolite Complexes. Minerals, 12 (12) 1565 doi:10.3390/min12121565 | Journal (article/letter/editorial) | | as 81,867 ppb, as was found in one sample from Shetland chromite deposits, the ophiolitic chromitites...IPGE-minerals (IPGM), such as sulfides of the laurite-erlichmanite series, alloys in the Os-Ir-Ru system...Ulan-Sarâdag (Russia), Herbeira (Spain) and Shetland (UK) ophiolites (Table 1 and references therein)...Spain Turkey United Kingdom AlâAys Herbeira Berit Shetland USA Rattlesnake Creek Name of the Deposit ...Khamitovskoe, Maly Apshak, Bolâshoy Apshak Haroldâs Grave Cliff Pole Corral Age Type of Chromitite Chromite Composition |  | | Journal (article/letter/editorial) | | characterized by euhedral Os, Ir, and Ru (IPGE) alloys and laurite, both commonly enclosed in chromite, as well as...other PGE-rich ophiolite complexes such as in Shetland in the United Kingdom, Leka in Norway, Thetford...of Pt- and Pd-rich ophiolites include Unst in the Shetland Islands north of the Scottish mainland (Prichard...1996b; Ohnenstetter et al., 1999). Typically, laurite (Ru[Ir, Os]S2) and more rarely erlichmanite (OsS2)...have not been mobilized (Prichard et al., 1994). Laurite is common within chromite, but where exposed to |  | | Book | | Thordarson & Armann HosJ...-uldsson 4. Cana,)' Islands Juan Carlos Carracedo & Simon Day 5. The north...Nortlrn·est Highlands of Scotland Con Gillen 9. The Inner Hebrides of Scotland Con Gillen 11. The Gulf...sters Da,·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 |  | O'Driscoll, B., Walker, R.J., Clay, P.L., Day, J.M.D., Ash, R.D., Daly, J.S. (2018) Length-scales of chemical and isotopic heterogeneity in the mantle section of the Shetland Ophiolite Complex, Scotland. Earth and Planetary Science Letters, 488. 144-154 doi:10.1016/j.epsl.2018.02.020 | Journal (article/letter/editorial) | | heterogeneity in the mantle section of the Shetland Ophiolite Complex, Scotland B. OâDriscoll a,â , R.J. Walker...Environmental Sciences, University of Manchester, Manchester, UK Department of Geology, University of Maryland, College...28 February 2018 Editor: F. Moynier Keywords: Shetland Ophiolite Complex oceanic mantle highly siderophile...ophiolites and abyssal peridotites. The âŒ492 Ma Shetland Ophiolite Complex (SOC) contains a well-preserved...oceanic mantle. The mantle section of the âŒ492 Ma Shetland Ophiolite Complex (SOC; Fig. S1) is a valuable |  | | Journal (article/letter/editorial) | | east margin of Gondwana the late Cretaceous The islands QuvĂ©a, Lifou, and MarĂ© areand the rifted from the...Gondwana in the late[18]. Cretaceous [18].of The islands of QuvĂ©a, Lifou, original island arc. The main...overlies mafic Poya terrane (Figure 1b). 165°E Belep Islands 20°S Tiebaghi Koniambo N 0 50 EW Pouebo Terrane...melt onphases Me Maoya peridotites is extremely laurite limited.(RuS2 ) and Os-Ir-Ru alloys are two major...Ru-bearing phases during melt extraction. Both laurite (RuS2) and Os-Ir-Ru alloys are two major platinum-group |  | | Journal (article/letter/editorial) | | the resultanthybridliquid.Under theseconditions,laurite was precipitatedas an early formed cumulusphase...contains6.1 ppm platinumdiform chromitite from Unst in the Shetland Island groupelementsand displaysan atypicalenrichment...displayedby both the UG-2 chromititelayer and the Unst chromititefrom the ShetlandIslandophiolite(Fig....-*- UG2 -o- New Caledoma '*- White Ă'âą- UNST-CLIFF ! Os ! Ir Hills i Flu i Rh i Pt Pd...(Newfoundland), Talkington andWatkinson, 1986;Unst,Cliff locality(Shetland Islandophiolite), Priehardet al., 1986; |  | | Report (issue) | | Cubic. Point Group: 2/m 3. hollingworthite or laurite. As grains, to 1 mm, and intergrown with Physical...01 )ÎŁ=1.07 As0.89 S1.11 . (3) Ioma placer, Shetland Islands; by electron microprobe, corresponding to...Platinum, ruthenian hollingworthite, sperrylite, laurite, iridarsenite, ruthenarsenite, rutheniridosmine...Styria, Austria. In the Cliff and Haroldâs Grave quarries, Shetland Islands. In the USA, from the American...associated Ru-, Os-, Ir-, and Rh-bearing PGMâs from the Shetland ophiolite complex. Mineralium Deposita, 22, 178â184 |  | | Book | | MINERALS OF SCOTLAND PAST AND PRESENT Alec Livingstone National Museums of Scotland Publishing Limited... Publishedby NMS PublishingLimited NationalMuseumsof Scotland ChambersStreet EdinburghEHl lJF © 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 |  | | Journal (article/letter/editorial) | | Main College, Park Place, Cardiff, CF10 3YE, Wales, UK Maria ECONOMOU-ELIOPOULOS Department of Geology...Main College, Park Place, Cardiff, CF10 3YE, Wales, UK Abstract Platinum-group minerals (PGM) have been...mainly of IPGE alloys and sulfarsenides rather than laurite. At Korydallos, the assemblage is dominated by...alliages et des sulfarsĂ©niures des IPGE plutĂŽt que la laurite. A Korydallos, lâassemblage contient surtout des...alloy, PdâPtâCu oxide and hydroxide, one grain of laurite, and NiâFe alloy containing 1â2% Pd in solid solution |  | | 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 |
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