 | | Journal (article/letter/editorial) | | Geology, University of Glasgow, Glasgow G12 8QQ, UK Received February 15, 1991 / Accepted August 6, 1991...whereas in later fabrics the micas are generally paragonite-rich and celadonite-poor. Retrograde phengite...partial solid solution between muscovite and paragonite (Guidotti 1984). The Tschermaks exchange reaction...Dalradian outcrop, essentially parallel to the Highland Boundary Fault (Fig. 1). This late structure has...S. W. Mica schists, mostly from the Southern Highland Group of the Dalradian were collected across the |  | | Journal (article/letter/editorial) | | Lower Greenschist Facies in the Dalradian Rocks of Scotland by JOHN DAVID MATHER Institute of Geological Sciences...lowest grade rocks, immediately to the north of the Highland Boundary Fault, are characterized by the presence...and Loch Katrine and include the area from the Highland Boundary Fault to two miles north of the biotite...O G R A D AND G R E E N S C H I S T FACIES IN SCOTLAND Ajiilyitd roclti and minerals Aber(cry11 slates...Specimen number Chemical and modal analyses of Highland Border rocks TABLE 1 Downloaded from http://petrology |  | Ledneva, Galina V., Layer, Paul W., Bazylev, Boris A., Sokolov, Sergey D., Kuzmin, Dmitry, Kononkova, Natalia N., Ishiwatari, Akira (2019) Early-middle Triassic basic magmatism and metamorphism of ultramafic-mafic complexes of the Ustâ-Belaya terrane (central Chukotka, NE Russia):40Ar/39Ar ages, petrological and geochemical data, geodynamic interpretations. International Geology Review, 61 (9) 1052-1070 doi:10.1080/00206814.2018.1491013 | Journal (article/letter/editorial) | | garnet amphibolite, diorite to albite-zoisite-paragonite-pargasite rock and spinel peridotites to metaperidotites...transition. The peculiar zoisite (clinozoisite)-paragonite mineral assemblage typical of metamorphosed vein...Supplementary material can be accessed here. © 2018 Informa UK Limited, trading as Taylor & Francis Group KEYWORDS...(c)) and metamorphosed vein of albite-zoisite-paragonite-pargasite rock cut metaperidotites. Locations...and textures are not preserved. Albite-zoisite-paragonite-pargasite rock (sample UB760) has inequigranular |  | | Journal (article/letter/editorial) | | Margarite pseudomorphsafter kyanite in Glen Esk, Scotland Eurra.Berrerzls Institute of Mineralogy and Petrology...encounteredin varioustypesof low to medium grade Angus, Scotland has been preLethnot, and Esk metamorphicrocks...(after biotite), and quartz rite in Glen Esk, Scotland, as pseudomorphsafter are developedat the border...coexisting margarite and muscovitefrom Glen Esk, Scotland sio. Marqarite Muscovite 3 2. 5 9 45.73 50...lines show averageend-membervalues for margarite, paragonite,and muscovitepairs reported by Guidotti el al' |  | | Journal (article/letter/editorial) | | 6 The occurrence of paragonite in chloritoid schists from Stonehaven, Scotland E. BALTATZIS AND B. J... The University, Manchester MI3 9PL SUMMARY. Paragonite has been found in two chloritoid-chlorite-mica...A1203contents of the rock. The composition of paragonite coexisting with muscovite indicates a crystallization...high because the mineral assemblage chloritoid-paragonite is unstable above about 6oo ~ By combining data...data on the breakdown of the chloritoid-paragonite assemblage with a mineral equilibrium for the assemblage |  | | Journal (article/letter/editorial) | | Sandstone and Devonian sedimentary rocks of Wales, Scotland and England S. HILLIER 1 1, *, M. J. WILSON...Aberdeen AB15 8QH, UK, and 2 2 British Geological Survey, Keyworth, Nottingham NG12 5GG, UK A B S T R A...A C T : The Devonian sedimentary rocks of the UK are made up of a continental red bed facies, the Old...Midlands, Northern England, the Midland Valley of Scotland and the Orcadian basin. The ORS also occurs extensively...influence of provenance cannot be discounted. In Scotland the clay mineralogy of the Lower ORS in the Midland |  | | Report (chapter) | | temperatures and pressures of Dalradian metamorphism in E Scotland Ben Harte and Neil F. C. Hudson Geological Society...temperatures and pressures of Dalradian metamorphism in E Scotland Ben Harte & Neil F. C. Hudson SUMMARY: An attempt...intrusion at depth. The region adjacent to the Highland Boundary fault shows strong horizontal and vertical...Grade Zones Cordierite ~ Garnet ~ StauroJite 'Highland Boundary Fault ÂŁ Chloritoid m m Fie.2, appears...November 6, 2014 PT of Dalradian metamorphism, E Scotland components are also responsible for the presence |  | | Journal (article/letter/editorial) | | Metamorphic reactions in the biotite zone, eastern Scotland: high thermal gradients, metasomatism and cleavage...eastern Scotland. Crystallization of muscovite within the psammites of the Southern Highland Group is...quartz content of the rock, although close to the Highland Boundary Fault, evidence of greater inÂŻuence from...margin of the Dalradian block, adjacent to the Highland Boundary Fault. T.J. Dempster (&) Division of...Building, University of Glasgow, Glasgow G12 8QQ, UK e-mail: T.Dempster@earthsci.gla.ac.uk; Fax: +44-141-3304817 |  | | Journal (article/letter/editorial) | | obvious anomalies in the zonal succession of NE. Scotland is the apparent restriction of chloritoid to a...to the north of the coastal intersection of the Highland Boundary Fault, the Dalradian metasediments comprise... or paragonite. Given the ubiquity of the chloritoid-albite association, the reaction paragonite+chlorite+quartz...such relatively rare and obscure minerals as paragonite (McNamara, 1965) and stilpnomelane (Mather and...scovite-plagioclasequartz. \ / / chlorite paragonite muscovite / / staurolite biotite muscovite |  | | Report (issue) | | CENTERS Zonation Snow Camp Mine Area Major Hill Highland Area Northeast of Major Hill Other Alteration...extensive hydrothermal alteration, and a third unnamed highland northeast of Major Hill forms another center....pyrite, iron oxides), and sericitic (sericite, paragonite, chlorite, iron oxides) alteration, with the...alteration, the Snow Camp Mine ridge, Major Hill, and a highland northeast of Major Hill, are present in the map...quartz-pyrophylliteparagonite rocks, quartz-chlorite-paragonite-sericite rocks, quartzparagonite +/- hematite |  | | Journal (article/letter/editorial) | | quartz-kyanite vein formation, Unst, Shetland Islands, Scotland C. E. BUCHOLZ AND J. J. AGUE Department of Geology...Saxa Vord Pelite of Unst in the Shetland Islands (Scotland) were investigated to constrain the geochemical...assemblages coexist with quartz, white mica (muscovite, paragonite, margarite), and Fe-Ti oxides. The mineral assemblage...ïŹuid ïŹow; high-P metamorphism; mass transfer; Scotland; veins. INTRODUCTION Aluminium is the third...of the Island of Unst in the Shetland Islands (Scotland; Fig. 1) contains numerous syn-metamorphic quartz-kyanite |  | | Journal (article/letter/editorial) | | Aberystwyth SYNOPSIS The Ben Ledi Grits between the Highland Boundary Fault at Loch Venachar and the Balquhidder...porphyroblast schists in the south-west Highlands of Scotland was first described from the Cowal district by...been shown to be widely distributed in south-west Scotland and Bailey (1923) concluded that they had been...CONVERY gneisses of Northern Ireland and south-west Scotland developed as the result of large-scale regional...porphyroblasts in parts of the south-west Highlands of Scotland but only one new rock analysis was published (Table |  | CUTTS, K. A., KINNY, P. D., STRACHAN, R. A., HAND, M., KELSEY, D. E., EMERY, M., FRIEND, C. R. L., LESLIE, A. G. (2010) Three metamorphic events recorded in a single garnet: Integrated phase modelling,in situLA-ICPMS and SIMS geochronology from the Moine Supergroup, NW Scotland. Journal of Metamorphic Geology, 28 (3) 249-267 doi:10.1111/j.1525-1314.2009.00863.x | Journal (article/letter/editorial) | | SIMS geochronology from the Moine Supergroup, NW Scotland K. A. CUTTS,1 P. D. KINNY,2 R. A. STRACHAN,3 M...Rd, Portsmouth PO1 3QL, UK 4 45, Stanway Rd, Headington, Oxford OX3 8HU, UK 5 British Geological Survey...Murchison House, West Mains Rd, Edinburgh EH9 3LA, UK ABSTRACT In situ LA-ICP-MS monazite geochronology...within the Moine Supergroup (GlenïŹnnan Group) NW Scotland records three temporally distinct metamorphic...Neoproterozoic to Ordovician thermal history in NW Scotland, and highlights the long history of porphyroblast |  | | Journal (issue) | | rocks analyzed as phylliteand schistinclude a paragonite-bearing unit in Albemarle and Fluvanna counties...sodium mica, occurs in muscovite-paragonite and chlorite-muscovite-paragonite phyllites. Milici and others...the available rock materials in Virginia, the paragonite-bearing phyllites in Albemarle and Fluvanna counties...trip to the igneous rocks of Augusta, Rockingham, Highland, and Bath counties. Virginia: Virginia Division...Trimble Knob basalt diatreme and associated dikes, Highland County, Virginia: Southeastern section of the |  | | Journal (article/letter/editorial) | | available analysed pelitic rocks of the Dalradian of Scotland is examined in relation to geographical position...Dalradian lsochemical Metamorphism Pelites Provenance Scotland 1. Introduction Although many workers have studied...which correspond to the Appin, Argyll and Southern Highland groups of Hams and Pitcher (1975). A simplified...of an additional âaluminousâ mineral, namely paragonite, is discussed below. Thus, if we examine these...out of the 44, which are all of low grade. If paragonite is present the AKF diagram as plotted in Figure |  | | Journal (article/letter/editorial) | | quartz, albite, potassic feldspar, muscovite, paragonite, pyrophyllite, kaolinite, kyanite, andalusite...quartz, albite, potassic feldspar, muscovite, paragonite, pyrophyllite, kaolinite, kyanite, andalusite...place of kyanite. The assemblage quartz-muscovite-paragonite-pyrophyllite has been observed by J.L. Rosenfeld...intermediate stage. That the assemblage quartz-paragonite-A1 silicate-albite in Figure 2c has only been...potassic feldspar; Alb albite; Mus muscovite; Par paragonite; Pyp pyrophyllite; Als anhydrous Al-silicate |  | | Journal (article/letter/editorial) | | Dalradian of Scotland A. J. BAKER, Department of Earth Sciences, Parks Road, Oxford OX1 3PR, UK Abstract...Glen Muick, GA: Glen Avon, E: Glen Ey, H.B.F.: Highland Boundary Fault. Ticked line is the outer limit...Buchan Anticline, B.S.: Boyndie Syncline, H.B.F.: Highland Boundary Fault, Ab: Aberdeen. Nappe, but defined...assemblages muscovite + calcite + quartz and paragonite + quartz in Glen Avon. Further south, higher...extensional event. If the metabasites in north-east Scotland had a similar origin then their arrangement in |  | | Book | | UNESCO Publishing âą IAEG âą Queen's Printer for Scotland âą British Geological Survey and Natural Environment...produced some of the finest building stone in Scotland. BGS © NERC. Photo: A. McMillan. Back cover image:...978-92-3-104031-3 © UNESCO/IAEG/Queen's Printer for Scotland/British Geological Survey and Natural Environment...is vested in NERC. Printed in Spain Stone in Scotland- ISBN 978-92-3-104031-3 - © UNESCO 2006 â Authors...QBE, DADun, RIBA, FRIAS, AABC, FSAScot (Historic Scotland) Contributors Joan Walsh, B.Sc., Ph.D., PGCE (University |  | | Journal (article/letter/editorial) | | Scottish Highlands. GGFâGreat Glen Fault, HBFâHighland Boundary Fault, (b) Structural subdivisions of...mica composition shows considerable variation. Paragonite content falls with grade from 14-1 per cent in...Ideal Muscovite K 2 Al 6 Si 6 O 20 (OH) 4 Paragonite Na 2 Al 6 Si 6 O 20 (OH) 4 Biotite Staurolite...well-defined rims of more albitic composition. The paragonite content of white micas decreases dramatically...2 = NaAlSi 3 O 8 + Al 2 SiO 5 + H 2 O. (9) paragonite At higher grades, the K-analogue of this reaction: |  | | Journal (article/letter/editorial) | | with carbonate, calcium-aluminum silicate or paragonite results from such physical conditions, and it...Chlorite-epidote-albite-hornblendcamphiboiitefrom Scotland (Wiseman, 1934, p. 368). 27. Chlorite-clinozo...Chlorite-clinozoisite-albitc-hornblende amphibolite from Scotland (Wiseman, 1934, p. 372). 28. Hornblcnde-plagioclase-epidote...itoid); (5) calcite-aragonite; (6) muscovite-paragonite-phengite (-biotite); and (7) hematite-magnetite-pyrite-sphene...during cooling and unloading. (6) Musco vite-paragonite-phengite(-biotite) There are no documented occurrences |  | | Journal (article/letter/editorial) | | historically. The so-called âMt. Pisanoâ is a small highland area (about 1000 metres in altitude over a surface...used for quartz, calcite, albite, orthoclase, paragonite and pyrophyllite. The average compositions reported...feldspars + chlorite + oxides and hydroxides â paragonite. Pyrophyllite has been identified in some of...where it is responsible for the green colour. Paragonite has been identified by XRPD in a small number...Phyllosilicates; Fd = Feldspars; Mu = Muscovite; Pa = Paragonite; Ch = Chlorite. 192 M. Franzini, M. Lezzerini |  | FEIN, J. B., GRAHAM, C. M., HOLNESS, M. B., FALLICK, A. E., SKELTON, A. D. L. (1994) Controls on the mechanisms of fluid infiltration and front advection during regional metamorphism: a stable isotope and textural study of retrograde Dalradian rocks of the SW Scottish Highlands. Journal of Metamorphic Geology, 12 (3) 249-260 doi:10.1111/j.1525-1314.1994.tb00020.x | Journal (article/letter/editorial) | | EH93)W, UK âScottish Universities Research and Reactor Centre, East Kilbride, Glasgow G75 OQU, UK ABSTRACT...Scottish Highlands, rocks of the Argyll and Southern Highland Groups of the Dalradian Supergroup underwent regional...been identified by electron microprobe to have paragonite composition. Ankerite-free phyllites have the...albite. The late development of ankerite and paragonite in the phyllites is the result of infiltration...completion by exhaustion of calcite. The scarcity of paragonite relative to ankerite in the reaction products |  | | Report (chapter) | | Omphacite Glaucophane Other HP Serpen- Chlorite- Paragonite Other (jadeite) schists metatinites schists schists...polishers, pebbles, reused fragments and flakes. Paragonite schists, chlorite schists, spotted slates, limestones... . - - 2.7 1.4 - -- -- - 3.3 0.9 Paragonite shists 0.4 3.3 - Chloriteschist Other lithologies...Starnini 2000, 2005). Recently the exploitation of highland zone primary outcrops of the Voltri Group, Monviso...often relatively abundant; zoisite-epidote and paragonite, mostly within whitish pseudomorphs of plagioclase |  | Clarke, G. L., Bhowmik, S. K., Ireland, T. R., Aitchison, J. C., Chapman, S. L., Kent, L. (2016) Inverted Oligo-Miocene metamorphism in the Lesser Himalaya Sequence, Arunachal Pradesh, India; age and grade relationships. Journal of Metamorphic Geology, 34 (8) 805-820 doi:10.1111/jmg.12202 | Journal (article/letter/editorial) | | melt (liq), muscovite (mu), orthopyroxene (opx), paragonite (pa), plagioclase (pl), quartz (q), rutile (ru)...(x=89â90; z=3â4) is predicted to match chlorite-paragonite-bearing assemblages and albite occurs instead...sodic-aluminous precursor in the micaceous folia, such as paragonite. Accepting that the prograde path moved through...14AP25a could be formed from 4.5% chlorite and 3% paragonite, consistent with modes predicted in the bi-chl-g-ilm-pa...this projection includes the lack of observed paragonite in any of the schists; plausible flaws in the |  | | Journal (issue) | | GROUNDWORK______________ On the Mineral Trail: Philippines I [ UK AND REPUBLIC OF IRELAND Simply call our subscription...gemstones. Simply order by telephone or write to the UK address above. Please state which tray you require...Joseph Glacier (New Zealand); the Southern Uplands (Scotland); Alaska, California, Washington and West Virginia...form of muscovite mica which includes illite and paragonite); the grey white parts of the rock are composed...Sulitjelma (Norway); Loch Leven and Sutherland (Scotland). â Lr' â ' -- FACT FILE PHYLLITE Type: Metamorphic |
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