 | THISTLEWOOD, L., LEAT, P. T., MILLAR, I. L., STOREY, B. C., VAUGHAN, A. P. M. (1997) Basement geology and Palaeozoic–Mesozoic mafic dykes from the
Cape Meredith Complex, Falkland Islands: a record of repeated
intracontinental extension. Geological Magazine, 134 (3) 355-367 doi:10.1017/s0016756897007085 | Journal (article/letter/editorial) | | Palaeozoic–Mesozoic mafic dykes from the Cape Meredith Complex, Falkland Islands: a record of repeated intracontinental...and granitoids of the Cape Meredith Complex on the southern tip of West Falkland, provide an important...lamprophyres and Jurassic Ferrartype magmas in the Cape Meredith Complex demonstrate for the first time that the...Introduction The Cape Meredith Complex on the southern tip of West Falkland, Falkland Islands, is important...1; Beckinsale et al. 1976; Tarney, 1976), the complex is the only observed continental crystalline basement |  | | Journal (article/letter/editorial) | | Pre-lamprophyre mafic dykes of the Cape Meredith Complex, West Falkland R. J. THOMAS*, F. HENJES-KUNST†...which intrude the Mesoproterozoic Cape Meredith Complex, West Falkland. The dykes, which have been previously...which intrude the Mesoproterozoic Cape Meredith Complex on West Falkland. Two of us (Thomas and Jacobs)...geological mapping and sampling program on the Cape Meredith Complex in late 1994 (Thomas, Jacobs & Weber, 1995...prelamprophyre mafic dykes in the area to the north of Cape Meredith (Fig. 1). These dykes are petrographically and |  | | Book | | years ago 1.8 24 X X Peat and raised beaches West Point Forest Bed X Dykes PALAEOGENE ~ 65 CRETACEOUS... CARBONIFEROUS u 354 0 N 0 Ill :5 f West Falkland Group SILURIAN 417 443 ORDOVICIAN ? 495...495 CAMBRIAN 545 PRECAMBRIAN 1000 X Cape Meredith Complex ----------Frontispiece ThedMsionsof geologicallime...vested jointly in N ERC and the Falkland lslands Governmenr. Falkland Islands Government Department of Mineral...view of stone runs, Dcparrment of Agriculture, Falkland lsla.nds Government Figure 61 (left), Pony's Pass |  | | Journal (article/letter/editorial) | | The Falkland Islands in Gondwanaland 401 The Position of the Falkland Islands in a Reconstruction of...Gondwanaland the Falkland Islands have been placed in a position intermediate between the Cape Province and...that it would be preferable to position the Falkland Islands due east of the Eastern Province coast, thus...previous reconstructions of Gondwanaland the Falkland Islands have been either summarily dismissed as unimportant...completely. It has long been recognized that the Falkland Islands bear no stratigraphical or structural relation |  | | Report (chapter) | | Antarctic origin in Gondwanan tillite from the Falkland Islands p. S T O N E 1, 2 & M. R. A. T H O M S O N...3 1British Geological Survey, Murchison House, West Mains Road, Edinburgh EH9 3LA, UK (e-mail: psto@bgs...o f Mineral Resources, Ross Road, Stanley, Falkland Islands' 3School o f Earth Sciences, University o...Carboniferous Fitzroy Tillite Formation of the Falkland Islands. Since neither Cambrian strata nor limestone...rotate the Falklands into proximity with the Eastern Cape, South Africa and the Ellsworth Mountains, Antarctica |  | | Report (chapter) | | have been collated from Antarctica and the Falkland Islands (adjacent in Gondwana) in order to identify...Early Palaeozoic areas of West Antarctica, Victoria Land and the Falkland Islands that formed the Gondwana...basalts that occur characteristically on ocean islands (ocean island basalt - OIB) have less d e p l e...more stable East Antarctica and the more mobile West Antarctica. This division is based mainly on the...single continental fragment at this time, while West Antarctica behaved as several small crustal blocks |  | | Report (chapter) | | deglaciation in southern Gondwana from the Falkland Islands KATE HORAN1,2*, PHILIP STONE3 & SIMON J. CROWHURST2...for the progression of deglaciation from the Falkland Islands microplate using a series of borehole core...meltwater pulses and turbidity currents. The Falkland Islands core data lend insight into the evolving Early...Australia) and the associated microplates. The Falkland Islands archipelago (alternatively known as Las Islas...sedimentary succession was deposited in the Falkland Islands that documented an almost complete account |  | | Journal (article/letter/editorial) | | ARCs at 2.078 Ga and by those of the Bushveld Complex and elsewhere between 2.061 and 2.054 Ga, and impacted...In contrast, the Natal Belt, including the Falkland Islands, acted from 1.25 Ga to 1.0 Ga, with TDM 2...was the intrusion of 520 Ma lamprophyre at Cape Meredith. A belt of ∼1.1 Ga magmatic–metamorphic rocks...the Grunehogna Province, the ∼1.1 Ga Natal–Falkland Islands extend through the Maud Belt of DML through... by the 0.52 Ga alkaline rocks at Cape Meredith, Falkland Islands, and by the 3.0 Ga intrusions of the |  | | Journal (article/letter/editorial) | | com/locate/pgeola Geological exploration of South Atlantic islands and its contributions to the continental drift...Stone * British Geological Survey, Murchison House, West Mains Road, Edinburgh EH9 3LA, Scotland, UK A R...The geological character of the South Atlantic islands was only slowly established during the first half...continental drift but, as the continental nature of the islands became apparent, their ‘oceanic’ setting was utilised...debate to support their respective positions. So islands such as the Falklands archipelago and South Georgia |  | Riley, T.R., Flowerdew, M.J., Pankhurst, R.J., Millar, I.L., Whitehouse, M.J. (2020) U-Pb zircon geochronology from Haag Nunataks, Coats Land and Shackleton Range (Antarctica): Constraining the extent of juvenile Late Mesoproterozoic arc terranes. Precambrian Research, 340. 105646 doi:10.1016/j.precamres.2020.105646 | Journal (article/letter/editorial) | | Cross, Madingley Road, Cambridge, CB3 0ET, UK. West Building, Madingley Rise, Madingley Road, Cambridge...from the Mesoproterozoic Haag Nunataks gneiss complex of West Antarctica where the dominant granodiorite...potential correlation with the Haag Nunataks gneiss complex. The magmatic precursors of the Haag Nunataks orthogneisses...quartzo-feldspathic gneisses of Haag Nunataks in West Antarctica (Fig. 1a (Millar and Pankhurst, 1987;...Ellsworth-Whitmore Mountains (EWM) micro-continental block of West Antarctica, which was displaced during 4 Gondwana |  | | Journal (article/letter/editorial) | | and influence of fossil collections from the Falkland Islands: From Charles Darwin to continental drift...a b British Geological Survey, Murchison House, West Mains Road, Edinburgh EH9 3LA, UK Department of...2011 Available online 1 February 2012 The Falkland Islands are typical of remote territories in that...during the first ‘official’ geological survey of the islands in 1920– 1922. Meanwhile a large collection was...fragmentation of the Gondwana supercontinent. The Falkland Islands are now regarded as a rotated microplate created |  | LINDEQUE, A., DE WIT, M. J., RYBERG, T., WEBER, M., CHEVALLIER, L. (2011) DEEP CRUSTAL PROFILE ACROSS THE SOUTHERN KAROO BASIN AND BEATTIE MAGNETIC ANOMALY, SOUTH AFRICA: AN INTEGRATED INTERPRETATION WITH TECTONIC IMPLICATIONS. South African Journal of Geology, 114 (3) 265-292 doi:10.2113/gssajg.114.3-4.265 | Journal (article/letter/editorial) | | Council for Geoscience, Western Cape, P.O. Box 572, 7535 Bellville, Cape Town, South Africa e-mail: ansalique@gmail...Council for Geoscience, Western Cape, P.O. Box 572, 7535 Bellville, Cape Town, South Africa e-mail: lc...prominent geological features such as the Karoo Basin, Cape Fold Belt (CFB) and the Beattie Magnetic Anomaly...sub-horizontal ~1.5 to 10 km thick wedge of the Cape Supergroup (CSG). This CSG wedge stretches from...Southernmost Africa is dominated by the PalaeozoicMesozoic Cape Fold Belt (CFB) and its flanking CapeKaroo Basin |  | | Journal (article/letter/editorial) | | Hälbich et al. (1983) dates for orogenic events in the Cape Fold Belt (CFB). Although Turner and Thomson do...pioneers of radiometric (40Ar/39Ar) dating for the Cape Orogeny were Gentle et al. (1978) who documented...(1983). Gresse et al. (1992) also document that a Pre-Cape quartz porphy dyke is completely overprinted by...207Pb/235U age of 246 to 217 Ma for the Beaufort West Uranium deposits. Their Table 1 (p. 131) provides...(018-1766-5066) from the Rietkuil deposit (Beaufort West) of between 213 to 215 Ma, dependant on which common |  | | Journal (article/letter/editorial) | | Accepted Manuscript The Falkland Plateau in the context of Gondwana breakup Claudia Monika Schimschal...Claudia Monika Schimschal, Wilfried Jokat , The Falkland Plateau in the context of Gondwana breakup. Gr...the journal pertain. ACCEPTED MANUSCRIPT The Falkland Plateau in the context of Gondwana breakup Claudia...Jokat) Abstract NU During the Jurassic, the Falkland Plateau was part of Gondwana and occupied a MA...currently ED unknown crustal structure of the Falkland Plateau. Here, we present the results of recently |  | | Book | | Springer Earth System Sciences Kate Horan Falkland Islands (Islas Malvinas) in the PermoCarboniferous...http://www.springer.com/series/10178 Kate Horan Falkland Islands (Islas Malvinas) in the Permo-Carboniferous...Resources, Falkland Islands Government, and was responsible for recovering from the Falkland Islands the borehole...Stone, British Geological Survey, Murchison House, West Mains Road, Edinburgh, EH9 3LA. Email: psto@bgs...evidence from a Gondwana fragment that became the Falkland Islands (Islas Malvinas) microplate following the |  | Cuadros, Javier, Cesarano, Mara, Dubbin, William, Smith, Stuart W., Davey, Alexandra, Spiro, Baruch, Burton, Rodney G.O., Jungblut, Anne D. (2018) Slow weathering of a sandstone-derived Podzol (Falkland Islands) resulting in high content of a non-crystalline silicate. American Mineralogist, 103 (1) 109-124 doi:10.2138/am-2018-6230 | Journal (article/letter/editorial) | | weathering of a sandstone-derived Podzol (Falkland Islands) resulting in high content of a non-crystalline...Jubilee Villas, Ross Road, Stanley, FIQQ 1ZZ, Falkland Islands 4 Environmental Consultant, Cambridge, U.K...influence globally. An Umbric Podzol from the Falkland Islands was studied while investigating possible ways...Thus, our observations indicate the existence of complex, successive weathering steps not yet identified...such as the soil described here. Keywords: Falkland Islands, non-crystalline silicates, podzols, weathering |  | | Report (issue) | | J. J. Veevers . Southern Africa: Karoo Basin and Cape Fold Belt ...................0404. J. J. Veevers...1992), (4) Grunow et al.’s (1991) reconstruction of West Antarctica, and (5) the clearer dating of the magmatic...Thurston Island: Implications for the tectonics of West Antarctica and Weddell Sea opening: Journal of Geophysical...1990, The Paleozoic and Andean magmatic arcs of West Antarctica and southern South America: Geological...Thus, East (Australia, India and Antarctica) and West (South America and Africa) Gondwanaland can be |  | | Journal (article/letter/editorial) | | strike-slip faulting in the Weddell Sea Rift System of West Antarctica T. Jordan, F. Ferraccioli, P. Leat PII:...strike-slip faulting in the Weddell Sea Rift System of West Antarctica, Gondwana Research (2016), doi: 10.1016/j...strikeslip faulting in the Weddell Sea Rift System of West Antarctica IP T T. Jordan1* F. Ferraccioli1,...distributed plate boundary TE between East and West Antarctica. AC microcontinent. CE P Keywords:...and Thomas, 2004). One key crustal block is the West Antarctic Ellsworth-Whitmore mountains crustal block |  | | Book | | Mitchell -Thomé GEOLOGY OF THE SOUTH ATLANTIC ISLANDS 1970 GEBRUDER BORNTRAEGER - BERLIN - STUTTGART...STUTTGART GHOPOGY SOUTH OF, PHE ATLANTIC ISLANDS by Dr. Raoul C. Mitchell -Thomé Consulting Geologist-Geophysicist... Preface The volume herewith treats only of those islands lying in the South Atlantic. There is a valid argument...ago. Dotted throughout these watery wastes are islands, all character- ized, with scarce an exception...to treat in one volume the entire collection of islands of the Atlantic Ocean rather than merely those |  | | Journal (volume) | | Mesoproterozoic basement exposed in the West Falkland Islands and Haag nunataks, West Antarctica. The initial εNd..........................................15 3.4 Falkland and Ellsworth-Haag microplates .....................................................16 3.4.1 Falkland microplate......................................g. Corner 1994). Suture zones are geologically complex and tectonically disturbed, and often provide a...of the juncture of East Antarctica, Africa, the Falkland microplate and the Ellsworth-Haag microplate (Jacobs |  | | Report (issue) | | . . . . . . . . .68 Southern Africa, Griqualand West and Transvaal regions: Makganyene glaciation . ...year’s professional field experience mapping in complex California terranes when World War II came along...confidence that the climate system is exceedingly complex and affected by many feedback loops, but the way...of tectonobiogeochemical interplays within the complex crustal, oceanic, and atmospheric system. It is...Age, which began in late Eocene time, disclose complex interrelations between continental positioning |  | | Book | | Paleozoic basement Chapter 21 Evolution of the West Siberian Basin 755 A.V. Vyssotski, V.N. Vyssotski... Contents Chapter 23 Ceodynamic interpretation of the Cape and Karoo basins, South Africa 869 Anthony Tankard... Tectonic framework 872 23.3 Early Paleozoic Cape basin:Large extensional subsidence 882 23.4 Permian...early Karoo basin: Large-scaleepeirogeny 894 23.5 Cape orogeny and late Karoo foreland basin 910 23.6...Acknowledgments 931 References 931 Chapter 24 The Parry Islands fold belt 947 J.C. Harrison, T.A. Brent 24.1 |  | | Book | | U–Pb Baddeleyite Ages of Mafic Dyke Swarms of the West African and Amazonian Cratons: Implication for Their...from doleritic dykes in the southern part of the West African Craton. The following swarms are distinguished:...provides the first robust LIP bar code for the southern West African Craton, and the results are used in a new...Western Mongolian Altai, Eastern Junggar, North and West Bank of Balkhash, Western Junggar, and Chingis-Taerbahatai...Emplaced in the Upper Jurassic Qorveh Granitoid Complex (Majidaba and Kangareh), Kurdistan Province, Iran”) |  | | Book | | correlated them with comparable deposits in the Cape Fold Belt (Keidel 1914, 1916, 1938). Motivated by...succession on the eastern side of the Atlantic, between Cape Town and Lüderitz, and also possess a strike that...are intrusive, just as in the Nama beds between Cape Town and Namaqualand. These rocks were characterized...between the Sierras Australes de Buenos Aires and the Cape Fold Belt (black lines). Handwritten notes made...that, by the early Ediacaran, the Amazonian and West Africa Cratons were probably still attached to Laurentia |
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