 | | Journal (article/letter/editorial) | | area north of Baltasound on the island of Unst, Shetland is reviewed. Reconnaissance investigations in...Keywords: Platinum exploration, Isle of Unst, Shetland INTRODUCTION This paper reviews the geology and...the island of Unst, the northern-most of the Shetland Islands. Unst (Fig. 1) lies 200 miles north of Aberdeen...(1879) and including the first geological map of Shetland, identified both serpentine and gabbro units within...to the basal thrust of the ophiolite where marked talc–carbonate alteration is recorded. Lower grade p |  | | Report (issue) | | Resources Consultative Committee Mineral Dossier No 10 Talc Compiled by D E Highley, BSc, MIMM, C Eng. Mineral...Sand and Gravel Tungsten Celestite Salt Sulphur Tin Talc Preface The Mineral Resources Consultative Committee...other United Kingdom suppliers and consumers of talc for their assistance. lvletric units are employed...References 23 Illustrations Fig 1 Talc localities in Scotland 7 Fig 2 Distribution of talcose rocks...the island of Unst in the Shetlands 8 Summary Talc is a hydrated magnesium silicate with the formula |  | | Journal (article/letter/editorial) | | Geochemistry of the Metamorphic Rocks of Unst and Fetlar, Shetland by DEREK FLINN Received 8 January 1970 CONTENTS...mass which occupies the largest part of the two islands. This igneous mass is well known from the work...along the main dislocations which traverse the islands. It is argued that changes in composition may have...PROFESSOR READ introduced me to the geology of Shetland in an elementary lecture in 1948, in my first... and every year since then I have returned to Shetland to continue mapping. The influence Professor Read |  | | Journal (issue) | | .................. Diary of a Trip to the Shetland Islands Roy Starkey 44 .............................was one, specialising in stamps from the Channel Islands but perhaps, more closely associated with minerals...Lepidocrocite from Louchentyre Copper Mine, Dumfreisshire, Scotland. Oh, don't you just love those erratic pebbles...Department for Education and Employment 0800 917 8185 Scotland: Fiona Aitken 01786 479 593 Wales: Alun Taylor...worn boulder of Lewisian Gneiss from North West Scotland and this competition was won by Peter FitzGerald |  | | Report (issue) | | Pl:ite I Weisdalc Voc. Shetland Mainland, looking south across inshore islands to the Clift Hills and...SCIENCES !British Regional Geology rlShetland By W. Mykura, B.Sc., F.R.S.E. with Contributions...one of the Shetland maps being either published or in press. The remaining Central Shetland map will shortly...memoir coverage will be available for the Shetland Islands. Accordingly, although this Handbook covers...work of the original surveyors. For the Orkney Islands their names are fully acknowledged in the maps |  | | Journal (article/letter/editorial) | | Rannoch (Explanation of Sheet 54). Mem. geol. Surv, Scotland. 96 pp., 5 figs. 1923. The Geology of the Country...(Explanation of Sheets 86 and 96). Mem. geol. Surv. Scotland. 240 pp., 11 figs. 1923. The Petrology of the...Sutherlandshire (Explanation of Sheet 103). Mem. geol. Surv, Scotland. 143 pp., 1 pI., 7 figs. 1925. A Diopside-bearing...Shin (Explanation of Sheet 102). Mem. geol. Surv, Scotland. 220 pp., 2 pls., 7 figs. 1926. The Mica-lamprophyres...Surv. Scotland. 238 pp., 5 pls., 13 figs. 1933. On Quartz-kyanite Rocks in Unst, Shetland Islands, and |  | Lee, Jungjin, Jung, Haemyeong, Klemd, Reiner, Tarling, Matthew S., Konopelko, Dmitry (2020) Lattice preferred orientation of talc and implications for seismic anisotropy in subduction zones. Earth and Planetary Science Letters, 537. 116178 doi:10.1016/j.epsl.2020.116178 | Journal (article/letter/editorial) | | com/locate/epsl Lattice preferred orientation of talc and implications for seismic anisotropy in subduction...Available online xxxx Editor: J. Brodholt Keywords: talc lattice preferred orientation seismic anisotropy...time, we report on measured LPOs of polycrystalline talc. The study comprises subduction-related ultrahigh-pressure...from the Valla Field Block in Unst, Scotland. The here studied talc revealed a strong alignment of (001)...(sub)parallel to the foliation. The LPOs of polycrystalline talc produced a significant P-wave anisotropy (AVp = 72%) |  | | Journal (article/letter/editorial) | | cleavage, grain size commonly < 100 lm) resemble talc, but the mineral has an attractive purple to lilac...mine) Pallix (1978) Cunningsburgh, Shetland islands, Scotland ? Yes chromite-bearing serpentinites...substantial SiO2. Material analyzed from Cunningsburgh, Scotland (col. 7) was reported to contain admixed serpentine...90 99.95 6 7 8 Nuggihalli, India Shetland Isl., Scotland Kazakhstan Bahia, Brazil 2.09 2.24 14...determined 7. Impure stichtite, Cunningsburgh, Shetland islands, Scotland (Read and Dixon 1933), contains admixed |  | | Journal (article/letter/editorial) | | Talc-Magnesite-Chlorite Rocks in Shetland 97 Metamorphic Differentiation of Talc-Magnesite-Chlorite...e Rocks in Shetland By M. S. AADN ABSTRACT Practically monomineralic masses of talc, of magnesite, and...and of chlorite are formed in talc-magnesite-chlorite-rocks as a result of localized shearing and associated...study of the serpentine bodies of Unst, in the Shetland Islands, the writer observed several excellent examples...production of practically monomineralic masses of talc, of magnesite, and of chlorite in the shear-zones |  | | Journal (article/letter/editorial) | | com/locate/pgeola The Dalradian rocks of the Shetland Islands, Scotland Derek Flinn a,1, Philip Stone b, David...rocks to the east of the Walls Boundary Fault on Shetland have lithological similarities to those of the...the Appin Group and the Argyll Group of mainland Scotland. Metavolcanic rocks within the deeper water turbiditic...coeval with those of the Southern Highland Group of Scotland. Beyond that, correlations with the established...folded around the tight Valla Field Anticline. The Shetland Ophiolite-complex has been thrust over the inverted |  | | Journal (article/letter/editorial) | | XIII.—On the Age of the Old Red Sandstone of Shetland. M.A., D.Sc. By John S. Flett, (Read March 18...its remote situation, the Old Red Sandstone of Shetland attracted a considerable amount of attention from...interest and variety. The axis or backbone of the Shetland archipelago consists of gneiss, mica schist, slate...and limestone, with epidiorites, serpentine, and talc schists. On each side of this there is an area of...comprising also the islands of Bressay, Noss, and Mousa. On the west side of Shetland the Old Red Sandstone |  | | Journal (article/letter/editorial) | | 399 Notes on the Ultrabasic Body of Unst, Shetland Islands By M. S. AMIN ABSTRACT Within the main serpentine...WORK T HE ultrabasic rocks of Unst, in the Shetland Islands, form a broad belt running S.S.W.-N.N.E. along...of fibrous serpentine, antigorite serpentine, talc-, talc-magnesite-, and tremolite-schists were described...within it; in both cases it was often associated with talc-rich schists. He showed that the belts of antigorite...and concluded that the mineral and the associated talc-bearing rocks had been formed after the general |  | | Journal (article/letter/editorial) | | SERPENTINES and ASSOCIATED ROCKS and MINERALS of the SHETLAND ISLANDS. By ]~R&NK COLES PHILLIPS, M:.A., P h . D......... (1) Carbonation, etc. (2) Development of Talc ; ' Soapstones.' (3) Development of Chlorite; ChloriteMagnetite-...II~'TRODUCTION AND PREVIOUS LITERATURE. THE S h e t l a n d Islands consist largely of a foundation of m e t a morphic...~al't 4~ ASSOCIATED ROCKS OF T H E SHETLAI~'D ISLANDS. 623 rocks which more particularly form the subject...subject of the present investigation. Shetland has so far received scant attention from geologists; hence |  | Martínez Cortizas, A., Rozas Muñiz, I., Taboada, T., Toro, M., Granados, I., Giralt, S., Pla-Rabés, S. (2014) Factors controlling the geochemical composition of Limnopolar Lake sediments (Byers Peninsula, Livingston Island, South Shetland Island, Antarctica) during the last ca. 1600 years. Solid Earth, 5 (2). 651-663 doi:10.5194/se-5-651-2014 | Journal (article/letter/editorial) | | sediments (Byers Peninsula, Livingston Island, South Shetland Island, Antarctica) during the last ca. 1600 years...(Byers Peninsula, Livingston Island, South Shetland Islands), which spans the last ca. 1600 years. The...Byers Peninsula (Livingston Island, South Shetland Islands) (Toro et al., 2007). Most of the investigations...westernmost part of Livingston Island (South Shetland Islands, Fig. 1) and designated at present as an Antarctic...Limnopolar Lake on Livingston Island (South Shetland Islands, Antarctica). Modified from Toro et al. (2013) |  | | Report (issue) | | quarry, Pennsylvania, USA, and the Hagdale quarry, Scotland, contains only traces to no detectable SO4 . Occurrence:...chromatite from serpentinite (Hagdale quarry, Scotland). Association: Chrysotile, magnetite, artinite...hydromagnesite (Gabbs, Nevada, USA); antigorite, magnesite, talc, quartz (Cedar Hill quarry, Pennsylvania, USA);...theophrastite, pentlandite, heazlewoodite (Hagdale quarry, Scotland). Distribution: From an abandoned mine at Nakauri...Pennsylvania. In the Hagdale quarry, Unst, Shetland Islands, Scotland. Name: For the original material found |  | | Book | | RESEARCH COUNCIL of Unst and Fetlar in Shetland Geopark Shetland Tectonostratigraphical succession...and Quaternary sequence on Unst and Fetlar, Shetland. Landslides Blown sand Peat Alluvial diatomite...Silurian Late Cambrian to Silurian Cambrian Shetland OphioliteComplex Cambrian Metaharzburgite Layer...Fetlar in Shetland The district described in this memoir is covered by Sheet 131 (Scotland). Cover photograph...commemorate a lifetime of geological studies on Shetland .. . . - .. .. . . . . .- . - -- I |  | | Journal (article/letter/editorial) | | Caledonian mafic–ultramafic intrusions of northeast Scotland have been a major target of investigations by...several stratigraphic levels in the Unst ophiolite, Shetland. Pt and Pd both exceed 100 ppm close to the basal...basal thrust of the ophiolite in a zone of talc–carbonate alteration. Lowergrade Pt–Pd-dominant mineralization...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 |  | | 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...element mineralisation in the Unst ophiolite, Shetland Geochemistry A. G. Gunn, BA, MSc R. C. Leake...rocks In the Baitasound-Hagdale area, Unst, Shetland Islands 36 An appraisal of the VLF ground resistivity...mineralisation in the Renfrewshire Hills, central Scotland 68 Polymetallic mineralisation in Carboniferous...Carboniferous rocks at Hilderston, near Bathgate, central Scotland 69 Base metal mineralisation associated with |  | | Journal (article/letter/editorial) | | associations of antigorite, talc, actinolite, chlorite, and biotite in Unst, Shetland Islands. By H. H. READ, D...encountered that were composed of a central part of talc followed outwards in order by zones of actinolite...minerals from the Hillswick area of the mainland of Shetland. It is the purpose of this communication to describe...of injection-origin. A 521 ZONED ANTIGORTTE, TALC, ETC., IN UNST few zoned bodies are closely associated...distorted lensed mass is found near Gorsendi Geo ; here talc, actinolite, and biotite are concerned (fig. 5 A) |  | | Journal (article/letter/editorial) | | occasionally contains silvery-whiteflakes,probably talc, along cleavage traces. In thin section the dolomite...NO. 3 228 A. Livingstone— untwinned, contains talc, bundles of fibrous anthophyllite, and small rounded... . 2-95 (Analyst A. Livingstone) PARAGENESIS Talc-carbonate rocks have been described by several authors...(Tremolite) (Dolomite) + H2 Mg3 Si4Oi2 + 4SiO2 (Talc) The above reaction indicates that a source of silica...geological structure of the northwest Highlands of Scotland. Mem. geol. Surv. U.K. RANDALL, B. A. O., 1960 |  | | Journal (article/letter/editorial) | | METAMORPHIC HISTORY OF SHETLAND. THE UNST, By Professor H. H. READ, D.Se. , A.R.C .S., F .G.S. [W...arisen that require answers-so that this one small Shetland island will repay investigation for generations...- - -- - , METAMORPHIC HISTORY OF U:>1ST, SHETLAND. 287 was later than the pegmatisation, but earlier...outwards by zones each consisting of a single mineral, talc', actinolite, chlorite or biotite. The later metamorphisms...the central: :\IETA:\lORPHIC HISTORY OF UNST, SHETLAND. 289 portion there appears to be a sort of schuppen-zone |  | | Report (issue) | | (Bon Accord, South Africa); on chromatite (Unst, Scotland). Association: Goethite, nickelian maghemite,...(Unst, Scotland). Distribution: In the Wolf Creek meteorite. Found three km west of the Scotia talc mine...Africa. In the Hagdale quarry, Unst, Shetland Islands, Scotland. From Ca’ de Ladri, Emilia-Romagna, Italy |  | | Report (Issue volume) | | • • AREA I VIII / • ' ORKNEY f AND SHETLAND ( ' • • • • • By • I • ' D. Haldane...• • • • , • • 13I FI G. I INDEX SHETLAND ISLANDS MAP \ • SHOWING ONE-INCH, SHEETS OF THE... , • • / • • • • • 13.- LIMESTONESOF SCOTLAND ARF...A VIII ORKNEY ANDSHETLAND by • D. Haldane...Occurrences Shetland Qccurren.c'tlls References Analyses . Figures 2 (Orkney) and 3 (Shetland) List of Wartime...For the convenient description of its limestones Scotland has been divided into 8 areas, covered by blocks |  | | Journal (article/letter/editorial) | | calciferous sandstone basalt lavas in one district of Scotland. The zoning is classified as (a) normal, (b) simple...associations of antigorite, talc, actinolite, chlorite, and biotite in Unst, Shetland Islands. In an injection zone...an orderly sequence of zones made up entirely of talc, of actinolite, of chlorite, and of biotite. It |  | | Journal (article/letter/editorial) | | B., crandallite goyazite series, 221 Gneisses, Scotland, geochem, study, 1 Gobbinsite, 567 Gortdrumite...experimental melting behaviour, 111 Granulites, Scotland, geochem, study, 1 GREAT BR1TAIN,updated list...MLrNSHI,C. L., 95 KAGER, P. C. A., and OEN, I. S., talc-opal-minnesotaite spherulites, 229 KELLY,D. P.,...chem., reflectance, cell size, 465 Leadhillite, Scotland, new IR and XRD data, 371 L~SOTHO,pectolite in...crystal-chemical characterization, 177 Nakauriite, Shetland, new data, 84 NAWAZ, R., low tridymite, 567; gobbinsite |
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Cross Geo quarry, Clibberswick, Unst, Shetland Islands, Scotland, UK