 | | Journal (article/letter/editorial) | | Issued 11th June, 1951. MAY-JUNE, 1951 Scourie Dykes and Laxfordian Metamorphism By E. B. BAILEY ABSTRACT...offered of some of the conclusions reached by Teall and his Survey colleagues on the Lewisian Complex of...recent work by Sutton and Watson. In other directions support is given to Peach and Gunn's view that the...the Loch Maree sediments are later than the Scourie Dykes and not, as Clough tentatively suggested, intruded...concerning Laxfordian folding of the Scourie Dykes at Loch Maree, and Caledonian thrusting of Assynt type |  | | Report (chapter) | | Tectonic stratigraphy and structural continuity of the northernmost Moine Thrust Zone and Moine Nappe, Scottish...Durham (e-mail: r.e. holdsworth@durham, ac. uk) DH1 3LE, UK 2Crustal Dynamics Group, School of Geography... University of St Andrews, St. Andrews KY16 9ST, UK 3School of Earth & Environmental Sciences, University...Burnaby Road, Portsmouth PO1 3QL, UK Abstract: The Moine Thrust Zone and overlying Moine Nappe represent...Laurentian foreland comprising Lewisian basement gneisses and a Cambrian cover succession during Caledonian orogenesis |  | | Journal (article/letter/editorial) | | Lewis, Outer Hebrides F. B. DAVIES, R. J. LISLE and J. WATSON DAVIES, F. B., R. J. LISLE & J. WATSON...Geol. Ass .. 86 (l ), 4561. The earliest tectonic and metamorphic events recorded in northern Lewis, perhaps...metamorphosed supracrustal and intrusive igneous rock. The later (late Scourian and Laxfordian) stages of...were controlled by the development of a north-westerly and a north-easterly lineament which are followed...lies between them and a wide concentric zoning is recorded by both structural and metamorphic features |  | | Report (chapter) | | evolution J. Wheeler, R. G. Park, H. R. Rollinson and A. Beach Geological Society, London, Special Publications...of Earth and Ocean Sciences, Jane Herdman Building, Liverpool University, Liverpool L69 3GP, UK 2 3 12... Tain, Ross-shire, IV19 1RE, UK Department of Geographical, Earth and Environmental Sciences, University... Derby DE22 1GB, UK 4 Exploration Outcomes, 1 Huntly Gardens, Glasgow G12 9AS, UK *Corresponding author...Archaean/Proterozoic craton fragment found in NW Scotland and throughout the Outer Hebrides. The 1907 memoir |  | Sajeev, K., Windley, B.F., Hegner, E., Komiya, T. (2013) High-temperature, high-pressure granulites (retrogressed eclogites) in the central region of the Lewisian, NW Scotland: Crustal-scale subduction in the Neoarchaean. Gondwana Research, 23 (2) 526-538 doi:10.1016/j.gr.2012.05.002 | Journal (article/letter/editorial) | | (retrogressed eclogites) in the central region of the Lewisian, NW Scotland: Crustal-scale subduction in... The University of Leicester, Leicester LE1 7RH, UK Universität München (LMU), Dept. für Geo‐und Umweltwissenschaften... Japan e Research Center for the Evolving Earth and Planets, Tokyo Institute of Technology, 2-12-1 Ookayama...s t r a c t Eclogites and associated high-pressure (HP) rocks in collisional and accretionary orogenic...orogenic belts preserve a record of subduction and exhumation, and provide a key constraint on the tectonic |  | Hughes, Hannah S. R., McDonald, Iain, Faithfull, John W., Upton, Brian G. J., Downes, Hilary (2015) Trace-element abundances in the shallow lithospheric mantle of the North Atlantic Craton margin: Implications for melting and metasomatism beneath Northern Scotland. Mineralogical Magazine, 79 (4) 877-907 doi:10.1180/minmag.2015.079.4.03 | Journal (article/letter/editorial) | | lithospheric mantle of the North Atlantic Craton margin: Implications for melting and metasomatism beneath...Northern Scotland HANNAH S. R. HUGHES1,*,{, IAIN MCDONALD1, JOHN W. FAITHFULL2, BRIAN G. J. UPTON3 AND HILARY...School of Earth and Ocean Sciences, Cardiff University, Main Building, Cardiff CF10 3AT, UK Hunterian Museum...Museum and Art Gallery, University of Glasgow, Glasgow G12 8QQ, UK School of Geosciences, University of...of Edinburgh, Edinburgh EH9 3JW, UK Department of Earth and Planetary Sciences, Birkbeck University of |  | | Report (chapter) | | Lewisian outcrop. Pyroxene and garnet assemblages equilibrated at about 7-8 kb and 750-800~ Peak granulite...of a more Fe-rich garnet. Discordant trondhjemite and granite sheets, which were also metamorphosed to...magmatic temperatures of 890-1030~ from Fe-Ti oxides and 1000~ from hypersolvus feldspars. The Scourian complex...Scourian metamorphism and we revise these estimates in relation to new methods, and to new calibration of...these results in order to define geothermometric and geobarometric methods which are appropriate to the |  | | Journal (article/letter/editorial) | | Earth and Planetary Science Letters 351–352 (2012) 1–12 Contents lists available at SciVerse ScienceDirect...ScienceDirect Earth and Planetary Science Letters journal homepage: www.elsevier.com/locate/epsl Letters...University of Derby, Kedleston Road, Derby, DE22 1GB, UK a r t i c l e i n f o abstract Article history:...Lewisian granulites of NW Scotland show that the protolith to the neoArchaean Scourie granulites was a tonalite...combined with recent thermobarometric calculations and new partial melting studies on the Lewisian makes |  | | Journal (article/letter/editorial) | | the Lewisian near Loch Laxford, Sutherland. By J. Sutton, Ph.D. and Janet Watson, Ph.D. Communicated...the Laxfordian complex of the Lewisian of north-western Scotland where the older Scourian complex (c. 2500...distortion of Scourian structures and post-Scourian dolerite dykes and to the orientation of newly-developed...pre-existing planar elements during compression on north-east-south-west lines, without the development of very large...connection between the style and arrangement of Laxfordian structures and the metamorphic state of the |  | | Journal (article/letter/editorial) | | clinopyroxenes from pyroxenites in the Lewisian of NW Scotland: insights into light rare earth element mobility...pyroxenites and from pyroxenite pods in felsic gneisses of the Lewisian granulite complex, NW Scotland, have...University of Derby, Kedleston Road, Derby DE22 1GB, UK e-mail: h.rollinson@derby.ac.uk P. Gravestock University...Francis Close Hall, Swindon Road, Cheltenham GL50 4AZ, UK e-mail: pgravestock@glos.ac.uk Introduction Archaean...hundred-metre- to kilometresize fragments of older mafic and ultramafic rocks (Windley et al. 1981). Often these |  | | Report (chapter) | | GRAHAM9 1 British Geological Survey, West Mains Road, Edinburgh EH9 3LA, UK 2 12 Provost Ferguson Drive, Tain...Ross-shire IV19 1RE, UK 3 77 Falls Road, Lesmurdie, WA 6076, Australia 4 Department of Earth and Ocean Sciences...Liverpool L69 3GP, UK 5 NERC Isotope Geosciences Laboratory, Keyworth, Nottingham NG12 5GG, UK 6 45, Stanway... Oxford OX3 8HU, UK 7 Exploration Outcomes, 1 Huntly Gardens, Glasgow G12 9AS, UK 8 Department of...Hess, Level 9, Adelphi Building, London WC2N 6AG, UK 10 Department of Geology, Trinity College, Dublin |  | | Journal (article/letter/editorial) | | Chemical and Mineralogical Changes Associated with the Laxfordian Metamorphism of Dolerite Dykes in the...the Scourie-Loch Laxford Area, Sutherland, Scotland By D. J. BURNS ABSTRACT Chemical analyses of dolerites...dolerites and metadolerites from the ScourieLoch Laxford area have been made, together with analyses of...of amphiboles and a pyroxene from these rocks. Chemical variation within the dykes as originally emplaced...clouding in felspar and amount of H 2 O + present is indicated. Chemical analyses and optical properties |  | | Journal (article/letter/editorial) | | com/locate/precamres New U–Pb baddeleyite and zircon ages for the Scourie dyke swarm: A long-lived large igneous...Paleoproterozoic evolution of NW Scotland J.H.F.L. Davies ∗ , L.M. Heaman Department of Earth and Atmospheric Sciences...May 2014 Available online 29 May 2014 Keywords: Scourie dykes Lewisian Gneiss Complex U–Pb dating Large...baddeleyite and zircon ages for doleritic and noritic dykes from the NW–SE trending Scourie dyke swarm...Precambrian Lewisian Gneiss Complex of northwest Scotland. These new ages indicate that the majority of |  | | Journal (article/letter/editorial) | | 1962] 8umn~ar9. Chemical analyses, cell parameters, and optical properties are presented for seven Scottish...Scottish orthopyroxenes: four from H~rris, two from Scourie, and one from Belhelvie, Aberdeenshire. The compositions...orthopyroxenes are from pyroxene granulites or related rocks and the other is from a plagiocla.~e-hypersthene hornfels:...A1203, causing a considerable contraction in the a and b cell parameters. The alumina content of orthopyroxenes...also given for olivine and diopsidic augite from a South Harris ultrabasic gneiss and for two enderbitic |  | | Report (chapter) | | Mineralogy, petrology and geochemistry of the Scourie dykes: petrogenesis and crystallization processes...petrology and geochemistry of representative members of the Scourie dyke swarm are described, and discussed...deep-seated dykes and to their petrogenesis. Four types of dykes can be defined on petrological and geochemical...olivine-gabbros and quartz dolerites. The latter constitute by far the most abundant dyke-type. In the central Scourian...Whereas the dolerites and norites have chilled margins, the bronzite-picrites and olivine-gabbros have |  | | Report (chapter) | | of Scourian supracrustal rocks and orthogneisses from Stoer, N W Scotland" implications for the geological...orthogneiss. All lithologies are early-Scourian in age and underwent granulite-facies metamorphism in the BadcaUian...P-Testimate for the peak of metamorphism of 920-990~ and > 11 kb, as well as estimates of conditions encountered...encountered during Inverian (e. 2.6-2.3 Ga) and Laxfordian ( < l . 7 G a ) retrogression. Certain lithologies...abbreviations are used for end member compositions and minerals: or = KA1Si3Os, ab = NaA1Si3Os, an = CaA12Si208 |  | | Journal (article/letter/editorial) | | zircon systematics at Gruinard Bay, northwest Scotland: implications for the early orogenic evolution...Archaean trondhjemites and minor granites enclosing remnants of older tonalitic gneiss and ma®c to ultrama®c...dating yields ages of 2731 14 Ma and 2728 2 Ma for two trondhjemite and 2732 4 Ma for one granite sample...quartz and titaniferous minerals indicate that these minerals are pseudomorphs of pyroxene and high-Ti...dated at 2730 Ma. Dating of zircon in amphibolite and tonalite enclaves yields complex internal isotopic |  | | Journal (article/letter/editorial) | | THE CHEMISTRY AND ORIGIN OF THE LEWISIAN GNEISSES OF THE SCOTTISH MAINLAND: THE SCOURIE AND INVER ASSEMBLAGES...ASSEMBLAGES AND SUB-CRUSTAL ACCRETION JAMES GR E NVI LLE HOLLAND and RICHARD ST JOHN LAMBERT Department...February 4, 1974; revised and accepted October 1, 1974) ABSTRACT Holland, J.G. and Lambert, R. St J., 1975...The chemistry and origin of the Lewisian gneisses of the Scottish mainland: The Scourie and Inver Assemblages...Assemblages and sub-crustal accretion. Precambrian Res., 2 : 1 6 1 - - 1 8 8 . New chemical data for 21 elements |  | | Journal (article/letter/editorial) | | Rona Terrane of the Lewisian Gneiss Complex in Scotland TR Baker, AR Prave, CJ Spencer PII: DOI: Reference:...Rona Terrane of the Lewisian Gneiss Complex in Scotland, Precambrian Research (2018), doi: https://doi...manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published...may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain...Gneiss Complex in Scotland TR Baker1*, AR Prave1, CJ Spencer2 1 Department of Earth and Environmental Sciences |  | | Journal (article/letter/editorial) | | complex, NW Scotland, as recorded by U-Pb isotopic compositions of zircon, titanite and rutile Received:...in zircon and titanite of granulite and amphibolite gneisses in the Lewisian complex and bordering Laxford...indicating multiple Late Archean and Early Proterozoic crystallization, overgrowth and Pb-loss events. The earliest...date high-grade metamorphism and magmatism probably related to tectonic and magmatic accretion in a continental...metamorphism and deformation at high-grade conditions, caused amphibolitization of the granulites and emplacement |  | | Journal (article/letter/editorial) | | felspars and thermal metamorphism. By A. G. MACGREGOR, M.C., B.Sc. Geological Survey of Scotland. [Read...characteristic effect that is often produced in the fresh plagioclase felspars of igneous rocks by thermal metamorphism-namely...certain wel|-known rocks in which the clouding of plagioclase felspars has been described without any suggestion...CLOUDED FELSPARS IN CONTACT-METAMORPHOSED LAVAS AND MINOR INTRUSIONS. Teall seems to have been the first...contact-metamorphism the presence in plagioclase phenocrysts of cloudiness of a peculiar and special type (1888, pp |  | Faithfull, John W., , , Dempster, Tim J., MacDonald, John M., Reilly, Monica (2018) Metasomatism and the crystallization of zircon megacrysts in Archaean peridotites from the Lewisian complex, NW Scotland. Contributions to Mineralogy and Petrology, 173 (12) doi:10.1007/s00410-018-1527-5 | Journal (article/letter/editorial) | | Contributions to Mineralogy and Petrology https://doi.org/10.1007/s00410-018-1527-5 (2018) 173:99 ORIGINAL...ORIGINAL PAPER Metasomatism and the crystallization of zircon megacrysts in Archaean peridotites from...from the Lewisian complex, NW Scotland John W. Faithfull1 · Tim J. Dempster2 · John M. MacDonald2 · Monica...from NW Scotland. The veins formed by metasomatic interaction between the ultramafic host and Si-rich...abundant orthopyroxene and, within the thicker veins, phlogopite, pargasite and feldspathic bearing assemblages |  | Johnson, T. E., Fischer, S., White, R. W., Brown, M., Rollinson, H. R. (2012) Archaean Intracrustal Differentiation from Partial Melting of Metagabbro--Field and Geochemical Evidence from the Central Region of the Lewisian Complex, NW Scotland. Journal of Petrology, 53 (10) 2115-2138 doi:10.1093/petrology/egs046 | Journal (article/letter/editorial) | | MetagabbroçField and Geochemical Evidence from the Central Region of the Lewisian Complex, NW Scotland 1 EARTH...GEOGRAPHICAL, EARTH AND ENVIRONMENTAL SCIENCES, UNIVERSITY OF DERBY, DERBY DE22 1GB, UK RECEIVED OCTOBER...JUNE 12, 2012 The central region of the mainland Lewisian gneiss complex of NW Scotland is a granulite-facies...migmatite terrane. With the exception of ultramafic and rare calc-silicate rocks, all other lithologies partially...metagabbroic rocks produced patches and sheets of coarse-grained plagioclase-rich leucosome containing euhedral |  | | Journal (article/letter/editorial) | | D. Kinny Æ C. R. L. Friend Timing of magmatism and metamorphism in the Gruinard Bay area of the Lewisian...Gneiss Complex: comparisons with the Assynt Terrane and implications for terrane accretion Received: 14 August...protolith emplacement and granulite facies metamorphism in the Gruinard Bay, Badcall Bay and Lochinver areas...the mainland Lewisian Gneiss Complex of north-west Scotland. Zircons from the gneisses contain complex...inherited zircon distinguishable from magmatic growth and metamorphic recrystallisation. From Gruinard Bay |  | | Report (edition) | | Geo·logy ■ I of Scotland FOURTH EDITION Front cover Suilven Sutherland. 'Rocky Ridge and boggy hollow~...thrust westward over the Foreland sequence. We look north-east from near Kylesku across Loch Glencoul to Aird...The Northern Highlands of Scotland FOURTH EDITION G S Johnstone, BSc and W Mykura, DSc NOTTINGHAM,...available from the BGS Sales Desks at Nottingham and Edinburgh; see contact details below or shop online...including maps for consultation. Murchison House, West Mains Road, Edinburgh EH9 31.A ~ 01316671000 Fax |
|
