 | | 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) | | to Permian strata in the southern Karoo and Falkland Islands suggests deposition in a separate and distinct...Ellsworth Mountains in Antarctica and the Falkland Islands off South America, highlight the complexity...Africa and Antarctica. The geology of the Falkland Islands was recognized by Halle (1912) as having similarities...(1952) who realized that the geology of the Falkland Islands â Corresponding author. E-mail addresses:...references therein). Although the position of the Falkland Islands is tightly located by stratigraphy and structure |  | | Report (chapter) | | sedimentary fill in the Palaeozoic sequences of the Falkland Islands N E I L S. M E A D O W S Geochem Group Ltd...Abstract: The sedimentary sequences exposed on the Falkland Islands can be referred to two major episodes of...suggest the structural and tectonic history of the islands, and to erect a revised lithostratigraphy which...geology of the Falkland Islands which is currently taking place. The Falkland Islands have never been...to an understanding of the geology of the Falkland Islands was provided by the work of Halle (1912) who |  | | Report (chapter) | | events at near-polar palaeolatitudes in the Falkland Islands, South Atlantic J. E. A. MARSHALL Ocean and...Devonian, the Falkland Islands were part of the high-latitude Cape Basin. West Falkland palynological...fragment of the Cape Fold Belt present in the Falkland Islands in southernmost South America. For, although...immediate Palaeozoic geological affinities of the Falkland Islands (Fig. 1) are with southern Africa and the...of West Gondwana (e.g. Marshall 1994). The Falkland Islands were one of a group of these microcontinents |  | | Journal (article/letter/editorial) | | showing the location of the Falkland Plateau Basin between the Falkland Plateau and the Maurice Ewing...Figures 3A; B) is composed of reddish coloured siltstone, which like the mudstone and silty mudstone in...continental extension) origin. Seismic data from the Falkland Plateau Basin provide important information on...Western Geophysical. The Falkland Plateau Basin is situated between the Falkland Plateau in the west, a...bathymetrically deeper than the Falkland Platform (~2000m). The Falkland Plateau Basin has an average bathymetry |  | | Journal (article/letter/editorial) | | greenish-grey massive mudstone with subordinate siltstone and very ïŹne-grained sandstone (Figure 2). It...and light brown (5YR 5/6) in colour (Figure 2). Siltstone beds up to 0.5 m thick (Figures 3 and 4), are...10 to 80 mm thick, interbedded with mudstone, siltstone and ïŹne-grained sandstone in the lower part of...2442 S; 28.5858 E). Light grey beds consist of siltstone or very ïŹne-grained sandstone. Whitehill Formation...with a single, interbedded, very light grey, siltstone bed, 5 mm thick, and labelled âsâ. (C) Grey to |  | | Journal (article/letter/editorial) | | Paleogeography of Late Paleozoic Diamictite, Falkland Islands pebbly mudstone, graded graywacke, and shale...during Late Paleozoic time. Abstract: In the Falkland Islands, diamictite of Carboniferous to Early Permian...cited Figure 1. Geologic sketch map of the Falkland Islands, southwest Atlantic Ocean 2. Generalized stratigraphic...stratigraphic section, Falkland Islands 3. Vector magnitude and orientation of clasts at 17 localities...bodies in Lafonian Diamictite, Hill Cove area, West Falkland 49 7. Orientation of directional-current structures |  | | Journal (article/letter/editorial) | | India, and southeastern South America and the Falkland Islands, and similar deposits have been found recently...Africa, and by Frakes and Crowell [1967] in the Falkland Islands.) We present here brief field and laboratory...near parallel to knife on facet in laminated siltstone and center gives scale. Werribee Gorge, Bacchus...subaqueous tillite, Hallett Cove. Figure 4. Laminated siltstone and sandstone containing pebbles (marked by arrows)...Hallett Cove throughout bedded sandstone and siltstone; abundant debris from floating ice may be mixed |  | | Report (chapter) | | occur on the English Coast, and also in the Falkland Islands (Hunter & Lomas 2003). The Supergroup was...plant-bearing beds rest disconformably on Devonian Aztec Siltstone, while Grindley (1963) maintained that this same...Poorly preserved palynomorphs from the Terra Cotta Siltstone near the base of the group in southern Victoria...6.2) tentatively regarded Kyleâs Terra Cotta Siltstone microflora as Pragian. The underlying Windy Gully...(Frasnian) coincides with the deposition of the Aztec Siltstone. Fig. 4. Stratigraphic divisions of the Taylor |  | | 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...evidence from a Gondwana fragment that became the Falkland Islands (Islas Malvinas) microplate following the...Kitchen Member of the Port Sussex Formation in East Falkland comprises deposits that document the switch from |  | | Report (chapter) | | Ellworth Mountains; PM, Pensacola Mountains; FP, Falkland Plateau; EWM, combined Ellsworth Whitmore Mountains-Haag...continents based on Dalziel et al. (1994), and Falkland Plateau reconstruction of Marshall (1994). (Stump...sector of the TAM. Southern Africa and the Falkland Islands The Cape and Natal provinces in southern Africa...rocks of the Cape and Karoo supergroups. The Falkland Islands are included in this section as they most...deposition of 140m of fine-grained sandstone, siltstone and mudstone in a muddy shelf environment (Broquet |  | | Journal (article/letter/editorial) | | Orkney Islands; SR = Shackleton Range; S-RM = SĂžr-Rondane Mountains; SSh = South Shetland Islands; TA =...Sierra de la Ventana (SV) through the rotated Falkland Islands (FI) and EllsworthâWhitmore Mountains (EWM)...Land; EWM = EllsworthâWhitmore Mountains; FI = Falkland Islands; GP = Grunehogna Province; KC = Kaapvaal Craton;...Hills; SO = South Orkney Islands; SR = Shackleton Range; SSh = South Shetland Islands; Th = Thurston Island;...part of the Lambert Rift and in clasts of red siltstone in moraine in the south indicate a Permian age |  | | Report (issue) | | appear to have been in place since then. The Falkland Islands off South America are reconstructed by a counterclockwise...Peninsula, EWMâEllsworthWhitmore Mountains, FlâFalkland Islands, INDâIndia, MADâ Madagascar, SRIâSri Lanka...CITED Adie, R. J., 1952, The position of the Falkland Islands in a reconstruction of Gondwanaland: Geological..., Cox, K. G., and Shaw, J., 1986, Are the Falkland Islands a rotated microplate?: Nature, v. 319, p....139-144. Taylor, G. K., and Shaw, J., 1989, The Falkland Islands: New palaeomagnetic data and their origin |  | | Report (issue) | | basins (Paganzo, San Rafael, Tarija, ParanĂĄ, Karoo, Falkland, Transantarctic, and Sydney) and note the presence...paleogeography of late Paleozoic Lafonian diamictite, Falkland Islands: Geological Society of America Bulletin, v...al. (1994) and Visser (1997a); Falkand-Malvinas Islands in their pre-breakup position east of the coast...7âParanĂĄ; 8âHuab; 9âKalahari; 10âKaroo; 11âFalkland-Malvinas Islands; 12âZambesi; 13âCongo; 14âTanzania; 15âMalagasy;...Associated Basins (ParanĂĄ Basin, FalklandMalvinas Islands, and Sauce GrandeâVentana Fold Belt) Formation |  | 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) | | overlying the Falkland Islands gneisses are interpreted to have been sourced from a proximal Falkland Island-Namaqua...(Kalahari craton, NamaquaNatal belt), the Falkland Islands-Maurice Ewing Bank, South America and correlations...sequence of deformed and metamorphosed limestone, siltstone and greywacke crop out (Raina et al., 1995; Kleinschmidt...2013). 6.2 Falkland Islands and Maurice Ewing Bank The Cape Meredith Complex of West Falkland constitutes...as forming a single crustal block with the Falkland Islands during the Mesoproterozoic (Chemale et al |  | | Journal (article/letter/editorial) | | In contrast, the Natal Belt, including the Falkland Islands, acted from 1.25 Ga to 1.0 Ga, with TDM 2...the Grunehogna Province, the âŒ1.1 Ga NatalâFalkland Islands extend through the Maud Belt of DML through...the 0.52 Ga alkaline rocks at Cape Meredith, Falkland Islands, and by the 3.0 Ga intrusions of the Kaapvaal...1994, Fig. 17, nos. 8, 11). Ice flow in the Falkland Islands (F.I.) from Veevers et al. (1994, Fig. 11)...the restored Cape Meredith Complex of the Falkland Islands. Also shown are the location (asterisk) of |  | | Report (chapter) | | Mainly sandstone .110 m Gently dipping Sandstone, siltstone, coal 2500 m Flat-lying Sandstone, mudstone,...Carboniferous â Triassic c. 1000 m Flat-lying Sandstone, siltstone, tillite, coal Hergt et al. (1989b) New Zealand...margin (reconstructed orientation) of the Falkland Islands block (Figs 4 and 5) are also interpreted...2000). The region where the Antarctic, Africa, Falkland Islands and Filchner microplate blocks rifted apart...basin such as the Ellsworth Mountains and Falkland Islands that were affected by the Late Palaeozoic |  | | Report (chapter) | | postglacial sequences of South Africa, the Falkland Islands and probably Antarctica, where no agreement...at Rio Gualo; person for scale (circled). (b) Siltstone-dominated, graded underflow deposits. (c) Hummocky...Massive or poorly laminated intervals and fine siltstone interbeds can occur. Fossil content is similar...Ischichuca (Fig 5d). They are characterized by thick siltstone-dominated successions (up to 50 m thick) with...from a 4 m thick interval showing interbedded siltstone, mudstone and shale with occasional convolute |  | | Journal (article/letter/editorial) | | detailed studies of Gondwanaland glaciation (Falkland Islands, Frakes and Crowell, 1967; South America,...conformably by the Ecca Formation consisting of shale, siltstone, and sandstone, which overlaps the Dwyka to lie...studies of late Paleozoic diamictites of the Falkland Islands and South America we have concluded that discrimination...large cobbles of red sandstone, quartzite, and siltstone and rarer ones of granite and gneiss. They are...diamictite. Diamictite grades upward to interbedded siltstone and shale measuring about 7 m thick, and this |  | | Report (issue) | | stratigraphic sequence: Thickness (feet) Upper shale and siltstone member: Dark-gray shale and silty shale with thin...sandstone and siltstone member: Olive-gray arkosic sandstone with thick pebble conglomerate, siltstone, and locally...occur locally__________ 1, 500 Lower shale and siltstone member: Medium- and darkgray shale and silty shale...limestone concretions and a few thin sandstone and siltstone layers_________________________________ 6, 000-7...locally olive-black sandstone. Thick shale and siltstone beds occur within the unit in places.----50-650 |  | | Book | | Marie Byrd Land and "Ellsworth Land" Volcanic Islands on West Side of the Ross Sea The Shield Area The..."Ellsworth Land", Marie Byrd Land, and the volcanic islands on the west side of the Ross Sea (Figure 1). [Figure...Shetland, the South Orkney, and the South Sandwich Islands, parts of the Scotia Arc, are composed of folded...Mesozoic and Cenozoic age. In the South Orkney Islands, however, older sedimentary rocks have been found...Rocks in this group are similar to rocks in some islands of the Scotia Arc. The sedimentary rocks have undergone |  | BRADSHAW, JOHN D., VAUGHAN, ALAN P. M., MILLAR, IAN L., FLOWERDEW, MICHAEL J., TROUW, RUDOLPH A. J., FANNING, C. MARK, WHITEHOUSE, MARTIN J. (2012) Permo-Carboniferous conglomerates in the Trinity Peninsula Group at View Point, Antarctic Peninsula: sedimentology, geochronology and isotope evidence for provenance and tectonic setting in Gondwana. Geological Magazine, 149 (4) 626-644 doi:10.1017/s001675681100080x | Journal (article/letter/editorial) | | Peninsula, and the South Shetland and South Orkney islands. They are the substrate for the MesozoicâCenozoic-age...the Miers Bluff Formation of the South Shetland Islands (HervĂ© et al. 2006) and the Greywacke-Shale â Author...Downloaded: 18 Mar 2015 Formation of the South Orkney Islands (Trouw et al. 1997). All these units have a similar...palaeontological age constraint comes from the South Orkney Islands where Triassic microfossils are reported (Dalziel...depositional ages at the oldest. From the South Shetland Islands, HervĂ© et al. (1996) reported Middle Jurassic zircons |  | | Journal (article/letter/editorial) | | fracture zone named the Falkland Fracture Zone, between the restored Falkland Islands to the southeast of...fining and thinning up heterolithic sandstone and siltstone intercalations. Note the overall upward coarsening...2. heterolithic facies (i.e. alternations of siltstone and sandstone: depofacies 2, 3, 4, 5, 6, 7 and...dipping foreset (i.e. fine-grained sandstone and siltstone interbeds with interlayered slumps, loadcasts...bioturbated very fine to fine sandstone with siltstone interbeds (depofacies 2, 3, 4, 5, 6, 7 and 8; |  | Bordy, E.M., Spelman, S., Cole, D.I., Mthembi, P. (2017) Lithostratigraphy of the Pietermaritzburg Formation (Ecca Group, Karoo Supergroup), South Africa. South African Journal of Geology, 120 (2) 293-302 doi:10.25131/gssajg.120.2.293 | Journal (article/letter/editorial) | | divided into a âLower Mudstoneâ and an âUpper Siltstone Formationâ by Mathew (1974). Regional aspects...Member of the Port Sussex Formation in the Falkland Islands (Trewin et al., 2002). Stratotypes Throughout...Stratigraphy and sedimentology of the Permian of the Falkland Islands: lithostratigraphic and palaeoenvironmental |  | | Journal (article/letter/editorial) | | bentonites, 223 biocalcarenites, 228 Birmingham, 223 - Siltstone, 220 - - Formation, 204 bivalvia , 10, 13, 15... 26 - - , fauna of, 21 - - Formation, Maltese Islands, 227-8, 232 - - - , cuttlebones of, 232 - - - ...18,20-21, 23, 25-{i - , Miocene, in the Maltese Islands, 227-8 Cercomya undulata (J. de C. Sowerby), 23... 73-6 Fairystones Bridge, 241-2, 251, 259 Falkland Islands, 266, 271-2 Falklands Plateau, 262, 264, 270...263 Malta, 228 - , Miocene of, 227ff. Maltese Islands, 227 Nanogyra, 13 - - , Miocene cephalopods in |
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