 | | Journal (article/letter/editorial) | | retrogression of the GlenelgāAttadale Inlier, NW Scotland C. D. STOREY*ā , T. S. BREWER* & S. TEMPERLEY*...of Leicester, University Road, Leicester LE1 7RH, UK (Received 1 July 2004; accepted 28 April 2005) ...GlenelgāAttadale Inlier of the northwest Highlands of Scotland are presented. Peak conditions are estimated as...Highlands of Scotland. Keywords: PāT conditions, eclogite, retrograde, Moinian, Scotland. 1. Introduction...within the Moine Nappe of northern and western Scotland (Fig. 1). The inlier is bound to the west by the |  | | Journal (issue) | | 5673331 124 hours, 7 days a week) Š¾Š³ fax 0870 6060447. UK& REPUBLICOF IRELAND - (Payment in Ā£ Sterling) Subscriptions...gemstones. Simply order by telephone orwrite to the UK address above. Please state which tray you require...stratigraphy and the Pre-Cambrian geology of northern Scotland. Graphic granite, Lƶllingite, Nosean, Tellurium...known as albite; the calcium-rich end member is anorthite. Between the two extremes of this solid solution...plagioclase feldspars (members of the albite-anorthite solid solution series); topaz (a hydrous fluorosilicate |  | | Journal (article/letter/editorial) | | identified from intrusions such as the Rum Intrusion (Scotland) INTRODUCTION and the Bushveld Igneous Complex...plagioclase ranges from the pure Ca limit 1553 [anorthite (An), CaAl2 Si2O8 ] to the pure Na limit [albite...Earth Sciences University of Durham Durham DH1 3LE, UK 3 College of Earth, Ocean, and Atmospheric Sciences...100 An Isobaric phase diagram for the albiteāanorthite (Abā An) plagioclase feldspar system at 0.1 MPa...The amount of zoning [or variance in the An (anorthite) content] can, then, be used to estimate of the |  | | Journal (article/letter/editorial) | | 337ā352 Cummingtonite in the Dalradian of NE Scotland C. G. SMITH AND E. R. PHILLIPS* British Geological...Murchison House, West Mains Road, Edinburgh EH9 3LA, UK ABSTR ACT The first recorded occurrence of cummingtonite...metamorphism, Dalradian, NE Scotland. Introduction T HE Dalradian Supergroup of Scotland and Ireland (Harris...development of cordierite, andalu- CUMMINGTONITE IN SCOTLAND cummingtonite cummingtonite-bearing rock biotite...rock are also almandine-rich CUMMINGTONITE IN SCOTLAND 2.0 a alkali amphiboles Na Na-Ca amphiboles |  | | Journal (article/letter/editorial) | | seam in the Rum Eastern Layered Intrusion, NW Scotland Brian O'Driscoll a,ā, Colin H. Donaldson b, J...of Saint Andrews, Saint Andrews, Fife, KY16 9AL, UK Department of Earth Sciences, University of Durham...Science Laboratories, South Road, Durham, DHI 3LE, UK a r t i c l e i n f o Article history: Received...completely melted troctolite, formed by growth of high-anorthite zones from the contaminated picrite onto residual...Geographical Sciences, Keele University, Keele, ST5 5BG, UK. Tel.: +44 1782 733184; fax: +44 1782 715261. E-mail |  | | Journal (article/letter/editorial) | | Geology, University of Glasgow, Glasgow, Gl2 8QQ, UK Abstract Intruded into the Palaeogene lava field...basement rocks around Loch Scridain, Isle of Mull, Scotland, is a suite of high-level, inclined, xenolithic...Reactor Centre, East Kilbride, Glasgow, G75 0QF, UK. THE presence of 'non-mantle'-derived ultramafic...(1977) described olivine-anorthite, augite-anorthite, olivinelabradorite, and anorthite cumulate xenoliths...the shores of Loch Scridain, Isle of Mull, NW Scotland (Fig.l). The Loch Scridain Sill Complex (LSSC) |  | | Journal (article/letter/editorial) | | zone of the Rum Eastern Layered Intrusion, NW Scotland: implications for the origin and timing of Crāspinel...Author(s) 2020 Abstract The Rum Layered Suite, NW Scotland, hosts Cr-spinel seams at the bases of peridotiteātroctolite...University of Manchester, Oxford Road, Manchester M13 9PL, UK Introduction The formation of Cr-spinel seams in...detailed reviews). The Rum Layered Suite in NW Scotland is a classic example of a layered intrusion that...1āāLocation map of the Rum Layered Intrusion, NW Scotland and simplified geological map of the Rum Layered |  | | Journal (article/letter/editorial) | | Sciences, University of Liverpool, Liverpool L69 3GP, UK (johnwh@liv.ac.uk) ABSTRACT Chemical zoning, recorded...given of plagioclase undergoing an increase in anorthite content as epidote breaks down during amphibolite...Earth Science, University of Durham, Durham DH1 3LE, UK. 2010 Blackwell Publishing Ltd chemical component...bulk composition from the Lewisian gneiss in NW Scotland is explored, comparing isothermal decompression...samples of amphibolite facies gneisses from NW Scotland. These tonaliteātrondhjemiteāgranodiorite (TTG) |  | AOKI, K., WINDLEY, B. F., MARUYAMA, S., OMORI, S. (2014) Metamorphic PāT conditions and retrograde path of high-pressure Barrovian metamorphic zones near Cairn Leuchan, Caledonian orogen, Scotland. Geological Magazine, 151 (3) 559-571 doi:10.1017/s0016756813000514 | Journal (article/letter/editorial) | | metamorphic zones near Cairn Leuchan, Caledonian orogen, Scotland K . AO K I ā ā , B . F. W I N D L E Y ā”, S . M...Geology, University of Leicester, Leicester LE1 7RH, UK Ā§Department of Earth and Planetary Sciences, Tokyo...Barrovian metamorphic zones in the Caledonides of Scotland have been well studied for their protolith sedimentation...zones at Cairn Leuchan in northern Glen Muick, Scotland using relevant petrology, mineral compositions...the Northern Highland and Grampian terranes of Scotland (Fig. 1) are sub-divided into the Moine and Dalradian |  | | Journal (article/letter/editorial) | | Sciences, University of Glasgow, Glasgow G12 8QQ, UK ABSTRACT Inclusion ā porphyroblast and porphyroblast...belt in Dalradian rocks in the SW Highlands of Scotland. This belt, which is known as the albite porphyroblast...Caledonides. REGIONAL SETTING Fig. 2. Location in SW Scotland and Antrim, Northern Ireland of schists with abundant...south on the British Geological Survey Ben Lomond Scotland Sheet 038 W (1: 50 000 Series) than in Fig. 3...core consists of pure albite (An0)3) with the anorthite content abruptly increasing at the rims to An7)8 |  | | Journal (article/letter/editorial) | | MulI-Morvern Tertiary lava succession, western Scotland ANDREWC. KERR Department of Geology, University...of Leicester, University Road, Leicester, LE1 7RH, UK The 1800 m thick preserved remnant of the Tertiary...fractional crystallization, plagioclase, Mull-Morvern, Scotland. Introduction THE Tertiary volcanic rocks of...century the memoirs of the Geological Survey of Scotland on these areas, helped to shape the way we understand...Mull lava succession plotted against percentage Anorthite content. 307 A.C. KERR Oxide minerals It is |  | | Journal (article/letter/editorial) | | the Moine Schists of the Western Highlands of Scotland By W. Q. KENNEDY ABSTRACT The Moine Schists...the Geological Survey, 1-in. to the mile map of Scotland; see maps, Text-figs. 1 and 4), show a marked...which occur in all the typical Moine areas of Scotland, and have been regarded by Flett (1923, p. 55)...typical members of the group from other parts of Scotland, considers that they must represent metamorphosed...10, p. 15. B. Lime-silicate schist (hornblende-anorthite-garnet), Dutchess County, New York. E. Kluver |  | | Journal (article/letter/editorial) | | Actinolite, Scotland, anal., 819 Adularia, electron-optical study of, I Aegirine-augite, Scotland, anal.,.../~kermanite-anorthite system, 632; effective molecular weights of components in, 353 Akermanite-anorthite-diopside...Egypt, psilomelane, 235 Albite, Devon, anal., I79; Scotland, anaL, 819 Algarvia, SSo Miguel Island, Azores...FARMER(V. C.), I2I Allt Bealach, Choinnich, Borralan, Scotland, Antrim, Ireland, chlorophaeite, 2o5 Aragonite...Ardelach, Nairnshire, granite, 847 Ardtun, Mull, Scotland, palagonite, 2o5 Argentite, Mexico, 541 Ashover |  | | Journal (article/letter/editorial) | | a protolith rich in calcic plagioclase, e.g. anorthite-rich parts of a mafic intrusion. Layers or lenses...clinopyroxene shows a smooth compositional variation with anorthite increasing at both rims (Fig. 5h). A few plagioclase...varies in composition from An to An , with higher anorthite contents close to 38 55 garnet (Fig. 5g), suggesting...Closest to kyanite, plagioclase is richest in anorthite (variable, An ); from kyanite 45ā90 towards quartz...quartz there is a gradual decrease in anorthite content to An . 30 P E TR OL OGI C A L I NTE R P R E TATI |  | | Journal (article/letter/editorial) | | Geosciences Unit, SURRC, East Kilbride, Glasgow G75 0QF, UK source of S has been postulated for the Coma Fosca...feldspar layers (almost totally constituted by anorthite), biotite-muscovite graphitic shales, pyrrhotite-rich...shales and apatite beds (Fig. 5). The sulphide, anorthite and apatite beds are more common at the base of...mineral. The anorthite beds consist mainly of ļ¬ne-grained (up to 50 lm) anhedral anorthite crystals (An95ā98)...scattered between the series. Anorthite beds are up to 0.5 m thick. Here, anorthite crystals develop a coarse |  | | Journal (article/letter/editorial) | | the Cambro-Ordovician Skarns on Isle of Skye, Scotland Brian Jackson Location Skye is the largest of...Hebridean islands. Its location in the north-west of Scotland is both remote and isolated. The coastline is...minerals found at this locality. Albite 'Albite-Anorthite Series' Allanite-(Ce) Anatase Andradite Azurite...the Palaeocene Hebridean Volcanic Province of NW Scotland. It is exposed over much of northern Skye and...and related minerals. The National Museums of Scotland have been amongst those collecting extensively |  | | Journal (article/letter/editorial) | | synorogenic Newer Basic intrusions of NE Scotland. An amphibole-anorthite symplectite is also found. The reaction...orthopyroxene-spinel symplectite, and orthopyroxene-anorthite symplectite (van Lamoen, 1979). Spinel is not...the layer structure. In this example, amphibole-anorthite symplectite is absent (specimen 53P). Olivine...encounters some complexities (notably an amphibole-anorthite symplectite). Symplectites figure prominently...cases, additional aluminous products (garnet, anorthite) are also restricted to the vicinity of reactant |  | | Journal (article/letter/editorial) | | Calcareous Bands from the Moinian Rocks of N.W. Scotland by P. W. G. TANNER 1 Department of Earth Sciences...the Late Precambrian Moinian sequence in N.W. Scotland. They probably originated as late-diagenetic calcareous...from Inverness-shire in the Western Highlands of Scotland. Distinctive prograde mineral assemblages define...composition changes progressively from albite to near anorthite with increasing grade and, together with the presence...metamorphic indicators in the Moinian rocks of N.W. Scotland and made a pioneer study of their petrology. Following |  | | Journal (article/letter/editorial) | | of Cambridge, Downing Street, Cambridge CB2 3EQ, UK (email: marian@esc.cam.ac.uk) ABSTRACT Dolerite...formation and metamorphism of siliceous dolostones in the UK. As a consequence of emplacement of the granite at...grains are pseudomorphed by either scapolite or anorthite (Table 2). Other assemblages seen in the altered...the pseudomorphing of plagioclase by anorthite. Where anorthite is present, biotite is rare or absent...biotite-bearing, amphibolebearing, diopsidic pyroxene+anorthite) may occur. The biotite-bearing assemblage is |  | | Journal (article/letter/editorial) | | assemblages from the Dalradian at Fraserburgh, northeast Scotland and their bearing on the emplacement of garnetiferous...1GB, UK Department of Earth Sciences, University of Manchester, Oxford Road, Manchester M13 9PL, UK ABSTR...EY WORDS : wollastonite, Dalradian, granitoid, Scotland. Introduction THE occurrence of wollastonite...microperthite, contains around 10 mol.% albite. Anorthite contents are negligible. Wollastonite marble...the CMASH CO 2 isobari c i nvariant point is āanorthite-absentā and, consequently, this phase does not |  | Rogerson, Mike, Mercedes-MartĆn, Ramon, Brasier, Alexander T., McGill, Rona A.R., Prior, Timothy J., Vonhof, Hubert, Fellows, Simon M., Reijmer, John J.G., McClymont, Erin, Billing, Ian, Matthews, Anna, Pedley, H. Martyn (2017) Are spherulitic lacustrine carbonates an expression of large-scale mineral carbonation? A case study from the East Kirkton Limestone, Scotland. Gondwana Research, 48. 101-109 doi:10.1016/j.gr.2017.04.007 | Journal (article/letter/editorial) | | A case study from the East Kirkton Limestone, Scotland Mike Rogerson, Ramon Mercedes-MartĆn, Alexander...A case study from the East Kirkton Limestone, Scotland. The address for the corresponding author was...case study from the East PT Kirkton Limestone, Scotland. Mike Rogerson1, Ramon Mercedes-MartĆn1, Alexander... University of Hull, MA Cottingham Road, Hull, UK. HU6 7RX. Tel. +44 (0)1482466051. m.rogerson@hull...Building, University of Aberdeen, Old Aberdeen, Scotland, PT E UK. AB24 3UE. Tel. +44(0)1224273449. a.brasier@abdn |  | | Journal (article/letter/editorial) | | influence of Fe-rich coatings on the dissolution of anorthite at pH 2.6 MARK E. HODSON* Department of Soil Science...Reading, Whiteknights, Reading, Berkshire, RG6 6DW, UK (Received July 23, 2002; accepted in revised form...state is reported. Two aliquots of 53 to 63 ā®m anorthite feldspar powder were used. One was dissolved in...precipitate coated the anorthite dissolved in the FeCl3 solution. BET surface area of the anorthite increased from...was due to the formation of etch pits on the anorthite grain surface whilst the additional increase in |  | | Journal (article/letter/editorial) | | Manchester MI3 9PL, UK 2 Department of Geology, The University, Sheffield $1 3JD, UK Abstract. Mineral...6%) as anorthite (Table 1, analysis k). 4) Crinanite, Howford Bridge sill, Ayrshire, Scotland (12117)...6% CaO. - 5) Theralite, Lugar sill, Ayrshire, Scotland (L79/4). Minor amounts of zoned pyroxene and olivine...analcime has ~0.3% CaO. 6) Essexite, Lennoxtown, Scotland (MV 13). In this rock pyroxene phenocrysts (6...Table 1, analysis j). After recalculating CaO as anorthite the analcime is deficient in SiO z relative to |  | | Journal (issue) | | 28, No. 7, Jul y 2003 ISSN : 1355-4565 An anorthite-ruby-pargasitepicotite assemblage Dr Karl Schmetzer...plagioclase, which contains between 93 and 96 mol.% anorthite. The inclusions were determined as rubies, green...origin of the samples is discussed. Keywords: anorthite, Cr-pargasite, electron microprobe analyses, ruby...Figure 1: Ruby crystals in a matrix of colourless anorthite. Size of the sample on the left: 10.5 x 8.3 mm;...2:Pargasite crystals in a matrix of colourless anorthite. Size of the sample on the left: 213 x 163 mm; |  | | Journal (article/letter/editorial) | | in granite sheets in the Scourian complex, N.W. Scotland HUGH R. ROLLINSON Department of Earth Sciences...continuous over the whole Scourian complex, N.W. Scotland have an average bulk 9length of the grain or which...no significant the alkali feldspar solvus for anorthite-free compositions. The critical temperature of...width. There are also broad estimated at high anorthite contents and used to indicate (40 #m) irregular...increasing anorthite content. This means that the Scourian mesoperthite feldspars, rich in the anorthite component |
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