 | | Journal (article/letter/editorial) | | Petrographic Notes on Three Rock-types from the Shetland Islands. By F. COLES PHILLIPS, M.A., Ph.D., F.G...author commenced petrological work in the -1 Shetland Islands, and two communications dealing with different...Its apparent continuation forms the now isolated islands of Hildasay, Cheynies, Oxna, and Papa. Very little...attaining a length of 2 mm. Rocks of the Shetland Islands. 501 It shows a zonary growth, sometimes...mineral of epidote-bearing granite, Hildasay, Shetland. a. Section highly inclined to the optic axis |  | | Journal (article/letter/editorial) | | the Petrology of the Saxa Vord Schists of Unst, Shetland Isles By N. J. SNELLING ABSTRACT The polymetamorphism...often occur and are clearly pseudomorphs after andalusite. On the surface of some specimens rounded projecting...1-633 ± 0 • 003), iron ores, and quartz. The andalusite crystals are composed of a shimmer aggregate...prisms of kyanite ; in one specimen a grain of andalusite was observed. Relic grains of staurolite are...porphyroblasts. In the garnetiferous schists the andalusite pseudomorphs have been completely replaced by |  | | Journal (article/letter/editorial) | | Boudinage-structure in Scotland. 325 A New Record of Boudinage-structure from Scotland. By T Beit Scientific...471-2),1 has recently been found in Unst, Shetland Islands, by Professor H. H. Read (8, pp. 134-8), who...During an investigation of the andalusite-schist series of NorthEast Scotland, the writer has found boudinage-structures...of the 1 in. maps of the Geological Survey of Scotland, and most of the boudinage-structures fall within...(7, pp. 55-9), with quartzites and spotted- (andalusite-) schists as principal members. The latter rocks |  | | Journal (article/letter/editorial) | | metamorphic grades it is accompanied by cordierite, andalusite, kyanite, or staurolite. It also grows in hydrothermal...chloritoid at this locality. 7. Vanlup, Shetland Islands, Scotland. Heddle (1879, pp. 28- 1-99 3-92 011...analysed. 8. Dale of Oddsta, Fetlar, Shetland Islands, Scotland. Guppy & Sabine (1956, pp. 63-64). Analysts:...Plate 1, fig. C). 23. Stonehaven, Kincardineshire, Scotland. Barrow (1898). A chloritoid concentrate was separated...on ignition. 24. Ritten Hamar, Unst, Shetland Islands, Scotland. Snelling (1957, p. 472). This analysis |  | | Journal (article/letter/editorial) | | A SURVEY OF THE AGE RELATIONS OF SHETLAND ROCKS JOHN A. MILLER AND DEREK FLINN The survey is based on...by Miller, and on previously published work on Shetland. Most of the metamorphic rocks give K-Ar ages...complexes were emplaced in the southern part of Shetland. By 380 m.y. ago erosion had reached mipatitic...Devonian times, granites were emplaced in the west of Shetland cutting the Old Red rocks. Finally the Walls Boundary...one of these late granites. 1. INTRODUCTION Shetland lies about 100 miles north-northeast of the Scottish |  | | Journal (article/letter/editorial) | | quartz-kyanite vein formation, Unst, Shetland Islands, Scotland C. E. BUCHOLZ AND J. J. AGUE Department...Dalradian Saxa Vord Pelite of Unst in the Shetland Islands (Scotland) were investigated to constrain the geochemical...fluid flow; high-P metamorphism; mass transfer; Scotland; veins. INTRODUCTION Aluminium is the third...north-east corner of the Island of Unst in the Shetland Islands (Scotland; Fig. 1) contains numerous syn-metamorphic...adjacent wall rocks. GEOLOGICAL BACKGROUND The Shetland Islands are located north of the Scottish mainland |  | | Journal (article/letter/editorial) | | 27 0 THE GEOLOGY OF THE ORKNEY AND SHETLAND ISLANDS,I By G. V. WILSON, B.Sc., F.G.S., and ]. KNOX, B...II. III. IV. INTRODUCTION THE ORKNEY ISLANDS THE SHETLAND ISLANDS REFERENCES 27° .. 27° .. 274 .. 281-2...interesting geological features of the Orkneys and Shetland and to describe in some detail the various districts...meeting. For further information about the Orkney Islands the reader is referred to the various papers by...maps and memoir. With regard to the geology of Shetland there are no official publications except for |  | | Journal (article/letter/editorial) | | stable assemblage. They evidently replace the pair andalusite-staurolite which probably crystallized at higher...kyanite-muscovite. Similarly, stable assemblages of andalusite and muscovite, without staurolite (and often... 360 G. H. Francis— staurolite * through andalusite-muscovite and sillimanite-muscovite to assemblages...fragmentation of the amphibolite facies) the three pairs andalusite-muscovite, sillimanite-muscovite and kyanite-muscovite...with the Al2SiO5 minerals in general, and with andalusite in particular. In spite of numerous descriptions |  | | Journal (article/letter/editorial) | | Division, High Cross Madingley Road, Cambridge CB3 0ET, UK (Received 21 January 2007; accepted 4 October 2007;...western side of the Antarctic Peninsula and on some islands adjacent to the western side of the peninsula;...regional Antarctic Peninsula metamorphism, including islands adjacent to the west coast of the peninsula. In...peninsula and associated islands extend approximately 2000 km from the South Shetland Islands in the north to...other areas on the Antarctic Peninsula and on islands adjacent to its west coast, from which metamorphic |  | | Journal (article/letter/editorial) | | history of Shetland: a review DEREK FLIN N FLINN, D. 1977. The ero sion histor y of Shetland : a review...review. Proc. Geol. Ass., 88 (3) , 129-46. The Shetland Island s are an inlier of Caledoni an rocks rising...an erosional remnant o n a sta ble block, the Shetland-Orkney Plat form , which is bounded by deep sediment...Jurassic time s but since then most erosion in the islands has taken place by cliff retreat due to rising...developed. The subaerial erosion surface in the islands is probably of great age and in most places shows |  | | 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...the central: :\IETA:\lORPHIC HISTORY OF UNST, SHETLAND. 289 portion there appears to be a sort of schuppen-zone...falls into three episodes. First, staurolite, andalusite, biotite and probably garnet were produced in |  | | 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) | | 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 |  | | 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) | | prep.), but The "quartz-pyrite"rocks of the South Shetland their broad distributionis shownin Figure 1. PropyIslands...most of the pyrite-bearing rocks of the South Shetland Islands are not of this type. Rather than veins or...Shetlands contains 2M• illiteformation of granular andalusite. Propylitic alterationof the Jurassic(?) lavas...rocks of the South Shetland quartz-pyrite deposits,characteristicfeaturesbeing Islands probablyrepresentareasof...Polyakov, The quartz-pyrite rocks of the South Shetland 1968). Islandsare areasof hydrothermallyaltered |  | | Book | | LIMITED 9 Clare ville Road, Orpington, Kent BRS lRU, UK British library Cataloguing in Publication Data...Brownlow Street, P.o. Box 147, Liverpool L69 3BX, UK Field studies of granitic batholiths convincingly...Department of Geology, University of St. Andrews, Fife, Scotland 2Scottish Universities Research and Reactor Centre...Glasgow G75 OQU, Scotland Introduction The Galloway plutons (Figure 1) in the south of Scotland belong to the...IGS (NERC), 64-78 Gray's Inn Road, London WCIX 8NG, UK Introduction Application of radiogenic isotope geochemistry |  | | Journal (article/letter/editorial) | | Pembrokeshire SA62 3TJ, UK CASP, University of Cambridge, Madingley Rise, Cambridge CB3 0UD, UK HM Research Norway...successions in the central North Sea and west of Shetland, which have been subdivided and correlated using...fluvio-lacustrine sandstones of the Clair Field, west of Shetland. Keywords: heavy minerals; correlation; North...unconformity surface on the basis of the distribution of andalusite, sillimanite, kyanite, staurolite, garnet, apatite...hydrocarbon-bearing reservoir successions of the UK, such as the Devonian [37] and the Triassic [34,38] |  | | Report (chapter) | | between the two facies series is defined as the andalusite-kyanite inversion. Within the greenschist facies...of polymetamorphism, such as the W Highlands of Scotland, this method will result in an interference pattern...at the garnet isograd. In the Buchan area the andalusite isograd is the best boundary. Although affected...contain garnet, staurolite and sillimanite. In Shetland, west of the Walls boundary fault the metasediments...Staurolite -- K --- S - --A' -- c -- Sillimanite Andalusite -- Cordierite -- -A =]I Kyanite Andalusitelkyanite |  | | Journal (article/letter/editorial) | | elsevier.com/locate/pgeola The Dalradian rocks of Scotland: an introduction David Stephenson *, John R. Mendum...underpin most of the Grampian Highlands and the islands of the Inner Hebrides between the Highland Boundary...Iapetus Ocean. This left the crustal foundations of Scotland, together with those of North America and Greenland...bedrock to most of the Grampian Highlands of Scotland and the islands of the Inner Hebrides between the Highland...(Fig. 2). Dalradian rocks also occur in the Shetland Islands, east of the Walls Boundary Fault, conventionally |  | | Journal (article/letter/editorial) | | beach in Shetland and found a sphericity of 0.71; in an undeformed Devonian conglomerate in Shetland, 203...Ireland and Scotland, traceable at intervals from Donegal in Ireland to Banffshire in Scotland, a distance...suggest that these units are equivalent. Again, in Scotland, the equivalence of the Torridonian Sandstone...that Lapworth held that in the Moine Series of Scotland there were no planes of deposition preserved but...calcareous flags and pelitic beds (now represented by andalusite-schists) link the whole 9000 feet of sediment |  | | Journal (article/letter/editorial) | | Polymetamorphic Rocks of the Valla Field Block, Unst, Shetland Islands. By H. H. Read, D.Sc, A.K.C.Sc, George Herdman... POLYMBTAMORPHIC ROCKS OF THE VALLA FIELD BLOCK, UNST, SHETLAND ISLANDS. 197 The structurally lowest portion of... POLYMETAMORPHIC ROCKS OF THE VALLA FIELD BLOCK, UNST, SHETLAND ISLANDS. 199 common as in staurolite. The kyanite... POLYMBTAMORPHIC EOCKS OF THE VALLA FIELD BLOCK, UNST, SHETLAND ISLANDS. 201 cases of rutile needles. It is to be... POLYMETAMORPHIC ROCKS OF THE VALLA FIELD BLOCK, UNST, SHETLAND ISLANDS. 203 —that is, they truncate the great upfold |  | | Journal (article/letter/editorial) | | Me., donated to R & M a dark reddish pebble of andalusite from Bailey's Island, Casco Bay, Cumberland Co...Dakota—Some very nice brownish, gemmy masses of andalusite, in biotite, have been donated to R & M by W...L. Roberts, Rise Bldg., Rapid City, S. D. The andalusite is found at Berne, Custer Co., S. D. Tennessee—Very...limonite, quartz, sphalerite and talc. Bahama Islands—Salt is the most important mineral produced in...is also produced from limestone quarried in the Islands. Belgian Congo—Large quantities of renierite, a |  | | Journal (article/letter/editorial) | | optical and x-ray studies of. (MacKenzie) Unst, Shetland Islands, a new variety of (Brindley' von Knorring)...hightemperature, 159 Alvarolite (Florencio) Andalusite, hydrothermal synthe140 sis of (Roy) Andorite...(BookReview)..... Block).... 326 685 Kyanite, andalusite,and sillimanLivingstonite, HgsbrSz, crystal ite...Tertiary granite from the Island of 317 Skye, Scotland (Tuttle, Keith) Magnalumoxide ( : spinel) (Serdiu405...-The distribution of major Palygorskitein the Shetland Isles, and minor elements among an occurrenceof |  | | Journal (article/letter/editorial) | | slight, and an inner part in which a broad zone of andalusite hornfelses is succeeded towards the contact by...and an " inner aureole " composed of a broad andalusite zone and a thin inner sillimanite zone. The limestone...Semi-pelites outcrop with moderate southerly dips in the islands off the shore of Gweebarra Bay (Text-fig. 1). They...and is composed of high-grade sillimanite and andalusite hornfelses. The group enters the area from the...metamorphism and a high-grade contact metamorphism. The andalusite crystals usually occur in bands varying in thickness |  | | Report (issue) | | Sandstone intrusive complex of northern Northmaven, Shetland , • • • • •• • • • • • • • • •• • ••...Sandstone intrusive complex of northern Northmaven, Shetland J. Phemister © Crown copyright 1978 ISBN O 11...Sandstone intrusive complex of northern Northmaven, Shetland J. PHEMISTER La partie du complexe igne de Northmaven...sur la feuille geologique, one-inch, Northern Shetland, comprend un corps majeur et cinq petits corps...located within one-inch geological sheet Northern Shetland consists of one major and five small bodies of |
|
