 | Upton, Brian G. J., Odling, Nic, Kirstein, Linda A., Underhill, John R., Puziewicz, Jacek, Ntaflos, Theodore, Bagiński, Bogusław, Hillier, Steve, Andersen, Jens C., Rollinson, Gavin K., Perrillat, Jean-Philippe (2019) The Weaklaw Vent, SE Scotland: Metasomatism of eruptive products by carbo-hydro-fluids of probable mantle origin. Mineralogical Magazine, 83 (6) 855-867 doi:10.1180/mgm.2019.67 | Journal (article/letter/editorial) | | The Weaklaw Vent, SE Scotland: Post-eruptive metasomatism of eruptive products by carbo-hydro-fluids...University of Edinburgh, West Mains Rd., EH9 3FE, UK. 2 Centre for Exploration Geoscience, Applied Geosciences...Society, Heriot-Watt University, Edinburgh, EH14 4AS, UK. 3 Institute of Geological Sciences, University... The James Hutton Institute, Aberdeen, AB15 8QH. UK. 7 Department of Soil and Environment, Swedish...uc.uk Abstract. The Weaklaw vent in SE Scotland (East Lothian coast), inferred to be Namurian, produced |  | | Journal (article/letter/editorial) | | mafic and ultramafic xenoliths from Fidra žSouthern Uplands, Scotland /: implications for lithospheric processes...UniÕersity of London, Malet Street, London WC1E 7HX, UK Department of Geology and Geophysics, UniÕersity...of Edinburgh, West Mains Road, Edinburgh EH9 3JW, UK c Department of Geology, Royal Holloway UniÕersity...UniÕersity of London, Egham Hill, Egham TW20 0EX, UK Received 25 July 2000; accepted 29 June 2001 Abstract Several...Permian basanite sill in Fidra, eastern central Scotland. One group consists of spinel lherzolites, which have |  | | Report (chapter) | | 2015 Carboniferous and Permian magmatism in Scotland B. G. J. U P T O N 1, D. S T E P H E N S O N 2...of Edinburgh, West Mains Road, Edinburgh EH9 3JW, UK (e-mail." bupton@glg.ed.ac.uk) 2British Geological...EH9 3LA UK 3British Geological Survey, Maclean Building, Wallingford, Oxfordshire OXIO 8BB, UK Abstract:...Isles, with accompanying basaltic magmatism. In Scotland Dinantian magmatism was dominantly mildly alkalinetransitional...dyke swarm and sills across northern England and Scotland. Alkali basaltic magmatism persisted into the |  | | Journal (article/letter/editorial) | | for the deep geology of the Midland Valley of Scotland and adjacent regions Brian G. J. Upton, Peder...alkalic basalts in and around the Midland Valley of Scotland contain a wide variety of 'plutonic' xenoliths...lherzolite, lower crust, metasomatism, pyroxenite, spinel, upper mantle, wehrlite. Late Palaeozoic alkali...xenolith sites occur within the Midland Valley of Scotland (MVS) and provide information on the various lithologies...Ayrshire in the western MVS and in Fife and East Lothian in the eastern MVS. Xenolith sites between the |  | | Journal (article/letter/editorial) | | xenoliths from basalts of the Midland Valley of Scotland: petrology and mineralogy of the lower crust and...the Midland Valley of Scotland comprise magnesian peridotite (predominantly spinel lherzolite) and cumulate...basic granulites of the Lewisian complex of NW Scotland. KEYWORDS: clinopyroxenite, lherzolite, lithosphere...metamorphic, wehrlite. The Midland Valley of Scotland (MVS), bounded by the Southern Highlands to the...general nature of the lower crust under southern Scotland (e.g. Pidgeon et al. 1978; Halliday et al. 1979; |  | | Report (chapter) | | from the Permo-Carboniferous magmatic province in Scotland - no evidence for a lower-mantle plume L. A. K...of Edinburgh EH9 3JW, UK Abstract: Noble gas studies of well-characterized spinel-peridotite-facies lithospheric...and vents demonstrate that the mantle beneath Scotland during the late Palaeozoic was more radiogenic...undegassed plume-type mantle beneath this part of Scotland during the Permo-Carboniferous. The measured helium...Variscan orogenesis (Fig. 1) (Timmerman 2004). In Scotland, Carboniferous lavas are preserved primarily in |  | Hutchison, Mark T., Faithfull, John W., Barfod, Dan N., Hughes, Joshua W., Upton, Brian G. J. (2018) The mantle of Scotland viewed through the Glen Gollaidh aillikite. Mineralogy and Petrology, 112. 115-132 doi:10.1007/s00710-018-0610-y | Journal (article/letter/editorial) | | 1007/s00710-018-0610-y ORIGINAL PAPER The mantle of Scotland viewed through the Glen Gollaidh aillikite Mark...Gollaidh aillikite dyke (58.36741°N 4.69751°W), N.W. Scotland, occurs within the Neoproterozoic sedimentary...sedimentary rocks of the Moine Supergroup ~4 km east of the Moine Thrust. Phlogopite 40Ar/36Ar measurements give...intra-plate alkali magmatism which affected southern Scotland for ~60 My from c. 350 Ma. Abundant chromites...the Moine thrust, is therefore inferred to extend east at depth under Glen Gollaidh, presenting an opportunity |  | Der-Chuen, Lee, Halliday, Alex N, Hunter, Robert H, Holden, Peter, Upton, Brian G.J (1993) Rb-Sr and Sm-Nd isotopic variations in dissected crustal xenoliths. Geochimica et Cosmochimica Acta, 57 (1) 219-230 doi:10.1016/0016-7037(93)90480-k | Journal (article/letter/editorial) | | EarthSciences, University of Liverpool, Liverpool, L69 3BX, UK %epartment of Earthand Space Sciences, University...Geophysics, University of Edinburgh,Edinburgh,EH9 3JW, UK (ReceivedOctober 10, 199 1; accepted in revisedform...4, 1992) Abstract-Four crustal xenoliths from Scotland have been dissected in order to evaluate the effects...inferred to reflect variations in the deep crust of Scotland. However, small samples, such as most crustal...600°C at the end of the Caledonian Orogeny in Scotland. INTRODUCIION crust in recent years can be linked |  | | Journal (article/letter/editorial) | | Institute, University of Edinburgh, Edinburgh EH9 3JW, UK. School of Geography and Geosciences, University...Andrews, Irvine Building, St Andrews, Fife KY16 9AL, UK 3 Polish Academy of Sciences, Institute of Geological...Na-rich feldspar megacrysts are common associates of spinel lherzolitic and pyroxenitic xenoliths in Scottish...that of salic glass ‘pockets’, well known from spinel lherzolite xenoliths around the world. Not only...1. Map showing the five structural terranes in Scotland and xenolith-megacryst localities. LR, Loch Roag: |  | | Journal (article/letter/editorial) | | mantle composition in the southern half of Ireland (East Avalonia) is relatively and uniformly fertile (i...Lo r ste n i Le IS Z p ram Varisc a n fron t East Avalonian Terrane Fig. 1. Elevation map of Ireland...compilation of offshore deep seismic reflection data in the UK and surrounding areas (BIRPS data set, Chadwick and...southern part of the Irish Sea between Ireland and the UK, 10 s in the center, and 9.5 s in the northern part...large scale flood basalts (Northern Ireland and Scotland mainly) followed (Preston, 2009; Welford et al |  | Upton, B. G. J., Hinton, R. W., Aspen, P., Finch, A., Valley, J. W. (1999) Megacrysts and Associated Xenoliths: Evidence for Migration of Geochemically Enriched Melts in the Upper Mantle beneath Scotland. Journal of Petrology, 40 (6) 935-956 doi:10.1093/petroj/40.6.935 | Journal (article/letter/editorial) | | beneath Scotland 1 DEPARTMENT OF GEOLOGY AND GEOPHYSICS, EDINBURGH UNIVERSITY, EDINBURGH EH9 3JW, UK 2...SCIENCE AND COMPUTING, LUTON UNIVERSITY, LUTON LU1 3JU, UK 3 DEPARTMENT OF GEOLOGY AND GEOPHYSICS, UNIVERSITY...WORDS: anorthoclase; corundum; mantle; megacrysts; Scotland ∗Corresponding author. INTRODUCTION This paper...composition. In Scotland the localities define a broad swath extending from NE Scotland, around the Hebrides...localities in the north east of the Scottish Midland Valley and (d) localities in the north east of the Southern |  | | Book | | described in this memoir includes that part of the East Lothian roast from Cockcnzic to North Berw ick and extends...and part of Sheet 4 1 of the geological n1ap of Scotland. Thr introductory chapter outli nes the physical...British Regional Geology .. The Midland Valley of Scotland, 3rd Edition, 1985 Memoirs The geology of the...43 Early volcan1c1ty 44 North Be[v\,ick Member 44 East Linton Member 46 Hail es Member 48 Bangley Member...Calciferous Sand'itone Measures in Midlothian and East Lothian J 7 VI 8 Generalised map of the Calciferous |  | | Report (chapter) | | Royal Holloway University of London, Egham, TW20 0EX, UK 3 Geological Institute, University of Copenhagen...King’s Buildings, West Mains Road, Edinburgh EH9 3JW, UK Abstract: Mantle xenoliths entrained in late Carboniferous...mid-Permian silica-poor basic magmas from northern Scotland were investigated using major and trace element...subduction event in the geological history of Scotland is at about 400 Ma. It may have been during this...time have been investigated through a study of spinel peridotite xenoliths in late Carboniferous– early |  | | Journal (article/letter/editorial) | | (a) pyroxenite xenoliths, including spinel clinopyroxenites and spinel websterites with granoblastic textures...which preserve Mg and Cr-rich diopsides, brown spinel and edenitic amphibole. Fresh olivine has never...clinopyroxene, pargasitic amphibole and Ti-rich phlogopite. Spinel is always absent. 4. Hornblenditic xenoliths: gabbroic...(clinopyroxene, kaersutite–pargasite, plagioclase, black spinel, Ti-rich phlogopite, apatite, carbonate, analcite...group comprises rounded to planar spinel clinopyroxenites and one spinel websterite xenolith that are variable |  | | Journal (article/letter/editorial) | | mantlederived spinel lherzolite nodules. Notable occurrences are Kakanui (Dickey, 1968), south-east Australia...monchiquitic body associated with tuff-pipes in Fife, Scotland, are well-preserved euhedral crystals; one of...basaltic volcanics of Fife c o n t a i n b o t h spinel lherzolite inclusions a n d a suite of c u m u...contains a n o r t h o c l a s e megacrysts a n d spinel lherzolite a n d g a b b r o inclusions. The most...(Laughlin et al., 1971; AWL-21-69) Analcime basanite, Fidra Island, Lothians (Chapman, 1974; Anal. 45) 32 |  | | Journal (article/letter/editorial) | | almost all the extant data to first order includes a spinel-peridotite upper lithospheric mantle layer to 85...chemical discontinuity (MLD) at the base of the Spinel Peridotite zone may explain the observed discontinuity...km in width, closed in a zipper-like fashion from east to west (present day coordinates) bringing together...The suture has been well studied geologically in Scotland and Newfoundland, where exposure is excellent...recently, helium-isotope information gleaned from spinel pyroxenites from the mid-Eocene (42 Ma) xenolith-bearing |  | 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) | | for melting and metasomatism beneath Northern Scotland HANNAH S. R. HUGHES1,*,{, IAIN MCDONALD1, JOHN...CF10 3AT, UK Hunterian Museum and Art Gallery, University of Glasgow, Glasgow G12 8QQ, UK School of Geosciences...Geosciences, University of Edinburgh, Edinburgh EH9 3JW, UK Department of Earth and Planetary Sciences, Birkbeck...University of London, Malet Street, London WC1E 7HX, UK [Received 30 October 2014; Accepted 2 February 2015;...from the North Atlantic Craton (NAC) in northern Scotland, to establish the magmatic and metasomatic history |  | Egorova, V. V., Volkova, N. I., Shelepaev, R. A., Izokh, A. E. (2006) The lithosphere beneath the Sangilen Plateau, Siberia: evidence from peridotite, pyroxenite and gabbro xenoliths from alkaline basalts. Mineralogy and Petrology, 88 (3) 419-441 doi:10.1007/s00710-006-0121-0 | Journal (article/letter/editorial) | | xenoliths: Group I xenoliths are spinel lherzolites, Group II xenoliths are spinel-garnet clinopyroxenites, and...IIIb is represented by garnet-free gabbroids. The spinel lherzolite xenoliths represent the uppermost lithospheric...characteristics similar to those of primitive mantle. Spinel-garnet clinopyroxenite and gabbroic xenoliths are...xenoliths in both the dikes are the same comprising spinel lherzolites, garnetbearing and garnet-free clinopyroxenites...on mineral parageneses: Group I – spinel lherzolite, Group II – spinel-garnet clinopyroxenite, and Group |  | Orejana, David, Villaseca, Carlos, Pérez-Soba, Cecilia, López-García, José A., Billström, Kjell (2009) The Variscan gabbros from the Spanish Central System: A case for crustal recycling in the sub-continental lithospheric mantle?. Lithos, 110 (1) 262-276 doi:10.1016/j.lithos.2009.01.003 | Journal (article/letter/editorial) | | Differentiation is mainly related to fractionation of Cr-spinel and olivine, but mixing with coeval granitic magmas...much more uncommon, having been described only in Scotland (Downes et al., 2001) and in the French Massif...exceeds 13% in modal composition, may include Cr-spinel, and is often mantled by orthopyroxene. Some orthopyroxene...058 0.001 0.000 4.000 Plagioclase 108604 Cr-Spinel 107042 107038 108595 108588 107042 107057...F) for amphibole and 32 O for plagioclase and Cr-Spinel Si 6.376 7.209 6.948 6.314 8.736 11.316 Ti 0.460 |  | | Report (chapter) | | Earth Sciences, Leeds University, Leeds L S 2 9JT, UK Present address: Institut f~ir Geowissenschaften...Kelso volcanic rocks in the Midland Valley of Scotland and the Northumberland Basin (Figs 4 and 5a)....Volcanic (CPV) Formation in the Midland Valley of Scotland represents the largest volume of Visean magmatic...Clyde Plateau Volcanic Formation; D, Derbyshire; EM, East Midlands; K, Kelso; LB, Limerick Basin; LW, Little...Namurian-Westphalian age in the Midland Valley of Scotland (after McCoss 1984, Francis 1991 and various other |  | Féménias, Olivier, Coussaert, Nicolas, Bingen, Bernard, Whitehouse, Martin, Mercier, Jean-Claude C, Demaiffe, Daniel (2003) A Permian underplating event in late- to post-orogenic tectonic setting. Evidence from the mafic–ultramafic layered xenoliths from Beaunit (French Massif Central) Chemical Geology, 199 (3) 293-315 doi:10.1016/s0009-2541(03)00124-4 | Journal (article/letter/editorial) | | proportions of orthopyroxene, clinopyroxene, olivine, spinel and plagioclase were determined by image analysis... clinopyroxene, orthopyroxene, plagioclase and spinel have been determined by electron microprobe on...297 Table 2 Bulk rock analyses of representative spinel-bearing ultramafic xenoliths from Beaunit Sample...investigations are devoid of plagioclase but contain spinel (less than 2%). Their compositions range from peridotitic...magnesio-hornblende (frequently observed in gabbroic rocks), Cr-spinel, Ti-rich phlogopite, apatite, ilmenite, rutile |  | | Journal (article/letter/editorial) | | and trace element abundances in aluminous garnet–spinel websterite, sapphirine-bearing Mg–Al granulite...edifices situated within the Mozambique belt of East Africa, few data are available. Granulite xenoliths...The xenoliths investigated here include garnet–spinel websterite, two-pyroxene sapphirine-bearing granulite...flank of the Kenya rift. It lies some 150– 200 km east of the rift axis and 50 km northeast of 123 Contrib...porphyroclastic garnet lherzolite and depleted garnet–spinel harzburgite xenoliths from the northwestern Chyulu |  | | Report (Issue volume) | | trachyte. It is pierced by a cave 170 yds long, the east entrance to which is marked by the nearer embayment...Craigleith and beyond this the sills of the Lamb and Fidra islands. On the coast may be seen the crag and tail...Industry Act 1926, the Water Act 1945 and the Water ( Scotland) Act 1946 in so far as powers previously conferred...to problems in the Ordovician mapping. In south-east England, the completion of the primary survey of...mapping of the Wash (129) and King's Lynn (145) sheets east and south-west of the Wash has led to a new assessment |  | | Journal (article/letter/editorial) | | Edition, 1927. INCLUDING GULLANE AND NORTH BERWICK, EAST FIFE, STIRLING, CARSTAIRS, TlNTO, AND DOBB'S LINN...F.R.S.E. " 4°7 4 16 4 21 427 432 43 6 441 446 EAST FIFE. i. Carboniferous Sediments. By D. Balsillie...Edinburgh. ro ro, Price 7s. 6d. The Geology of East Lothian. r o ro. Price 4s. 6d. Description of Arthur's...one-inch Sheet No. 32 of the Geological Survey of Scotland , we see that the principal st ruc tural feature...however , is not horizontal, but dips to the north-east. We migh t compa re it, in fact , to the bow of |  | Rehfeldt, Tatjana, Foley, Stephen F., Jacob, Dorrit E., Carlson, Richard W., Lowry, Dave (2008) Contrasting types of metasomatism in dunite, wehrlite and websterite xenoliths from Kimberley, South Africa. Geochimica et Cosmochimica Acta, 72 (23) 5722-5756 doi:10.1016/j.gca.2008.08.020 | Journal (article/letter/editorial) | | London, Department of Geology, Egham, Surrey TW20 0EX, UK Received 27 February 2008; accepted in revised form...garnet (0.72– 0.85)), high Cr# (Cr/(Cr + Al)) of spinel (0.53–0.84) and mostly low whole-rock SiO2, CaO...et al., 2004), and the Witwatersrand Block to the east, were juxtaposed close to the Colesberg Lineament...Kaapvaal Craton into the Witwatersrand Block to the east and the Kimberley Block to the west. The Kaapvaal...8 vol %, garnet 1 vol %, phlogopite 2 vol % and spinel 3 vol %. The major-element composition of minerals |
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