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  • 1
    Keywords: Evolutionary paleoecology ; Paleoecology ; Paleogeography ; Paleobiology ; Paleoclimatology ; Aufsatzsammlung ; Antarktis ; Geologie
    Description / Table of Contents: The volume highlights developments in our understanding of the palaeogeographical, palaeobiological, palaeoclimatic and cryospheric evolution of Antarctica. It focuses on the sedimentary record from the Devonian to the Quaternary Period. It features tectonic evolution and stratigraphy, as well as processes taking place adjacent to, beneath and beyond the ice-sheet margin, including the continental shelf. --
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (VI, 506 Seiten)
    ISBN: 9781862393639
    Series Statement: Geological Society special publication 381
    RVK:
    RVK:
    Language: English
    Note: Antarctic palaeoenvironments and Earth-surface processes in context / M.J. Hambrey and B.J. DaviesThe geological and tectonic evolution of the Transantarctic Mountains: a review / D.H. Elliot -- Differential movement across Byrd Glacier, Antarctica, as indicated by Apatite (U-Th)/He thermochronology and geomorphological analysis / D.J. Foley, E. Stump, M. van Soest, K.X. Wipple and K.V. Hodges -- Mesozoic to recent evolution of intraplate stress fields under multiple remote stresses: the case of Signy Island (South Orkney Microenvironment, Antarctica) / A. Maestro, J. López-Martínez and F. Bohoyo -- The Taylor Group (Beacon Supergroup): the Devonian sediments of Antarctica / M.A. Bradshaw -- Late Cretaceous dinosaurs from the James Ross Basin, West Antarctica / M.A. Reguero, C.P. Tambussi, R.A. Coria and S.A. Marenssi -- Palaeobiogeography of Austral echinoid faunas: a first quantative approach / T. Saucede, B. Pierrat, A. Brayard and B. David -- Taxonomic diversity of Eocene Antarctic penguins: a changing picture / P. Jadwiszczak -- Heat-flow determinations of basement age in small oceanic basins of the southern central Scotia Sea / P.F. Barker, L.A. Lawver and R.D. Larter -- Cenozoic landscape and ice drainage evolution in the Lambert Glacier-Amery ice shelf system / D.A. White -- History of the grounded ice sheet in the Ross Sea sector of Antarctica during the Last Glacial Maximum and the last termination / B.L. Hall, G.H. Denton, J.G. Stone and H. Conway -- Late Eocene Glaciofluvial to Clasciomarine transition in the Lambert Graben: constraints from lithofacies and mineralogy of ODP Site 1166 sediments, Prydz Bay, Antarctica / K. Strand, J. Köykkä and J. Lamminen -- The Offshore New Harbour Project: deciphering the Middle Miocene through Late Eocene seismic stratigraphy of Offshore New Harbour, western Ross Sea, Antarctica / S.F. Pekar, M.A. Speece, G.S. Wilson, D.S. Sunwall and K.J. Tinto -- Constraints on Antarctic Ice Sheet configuration during and following the Last Glacial Maximum and its spisodic contribution to sea-level rise / J.B. Anderson, A.E. Kirshner and A.R. Simms -- Glaciomarine sedimentation dynamics of the Abbot glacial trough of the Amundsen Sea Embayment shelf, West Antarctica / K Hochmuth and K. Gohl -- Southern Ocean bioproductivity during the last glacial cycle -- new detection method and decadal-scale insight from the Scotia Sea / D. Sprenk, M.E. Weber, G. Huh, P. Rosén, M. Frank, M. Molina-Kescher, V. Liebetrau and H.-G. Röhling -- Palaeoenvironmental records from the West Antarctic Peninsula drift sediments over the last 75 ka / M.J. Vautravers, D.A. Hodell, J.E.T. Channell, C.-D. Hillenbrand, Hall, M., J. Smith and R.D. Larter -- Provenance of Pleistocene sediments fro Site U1359 of the Wilkes Land IODP Leg 318 -- evidence for multiple sourcing from the East Antarctic Craton and Ross Orogen / N.C. Pant, P. Biswas, P.K. Shirivastava, S. Bhattacharya, K. Verma, M. Pandey and IODP Expedition 318 Scientific Party -- Geomorphological evidence of cold-based glacier activity in South Victoria Land, Antarctica / C.B. Atkins -- A review of geomorphic processes and landforms in the Dry Valleys of southern Victoria Land: implications for evaluating climate change and ice-sheet stability / D.R. Marchant, S.L. Mackay, J.L. Lamp, A.T. Hayden and J.W. Head -- Landscape evolution and ice-sheet behaviour in a semi-arid polar environment: James Ross Island, NE Antarctic Peninsula / B.J. Davies, N.F. Glasser, J.L. Carrivick, M.J. Hambrey, J.L. Smellie and Nývlt, D. -- Windows on Antarctic soil-landscape relationships: comparison across selected regions of Antarctica / M.R. Balks, J. López-Martínez, S.V. Goryachkin, N.S. Mergelov, C.E.G.R. Schaeffer, F.N.B. Simas, P.C. Almond, G.G.C. Claridge, M. McLeod and J. Scarrow -- Sedimentary processes in two different polar periglacial environments: examples from Schirmacher Oasis and Larsemann Hills, East Antarctica / R. Asthana, P.K. Shrivastava, M.J. Beg, A.K. Swain, A. Dharwadkar, S.K. Roy and H.B. Srivastava -- Periglacial processes and landforms of the Antarctic: a review of recent studies and directions / K. Hall -- Palaeoshoreline records of glacial isostatic adjustment in the Dry Valleys region, Antarctica / S.A. Konfal, T.J. Wilson and B.L. Hall -- Characteristic atmosphere-ocean-solid earth interactions in the Antarctic coastal and marine environment inferred from seismic and infrasound recording at Syowa Station, East Antarctica / M. Kanao, A. Maggi, Y. Ishihara, E. Stutzmann, M.-Y. Yamamoto and G. Toyokuni -- Evaluation of Envisat ASAR IMP imagery for snow mapping at varying spatial resolution (Deception Island, South Shetlands -- Antarctica).
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Sedimentology 39 (1992), S. 0 
    ISSN: 1365-3091
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: A 166 m thick Plio-Pleistocene sequence of glacial sediments has been cored in Ferrar Fiord in the southwestern corner of the Ross Sea, Antarctica. The core has the following lithofacies: massive diamictite (33% of the core; interpreted as lodgement or waterlain till), weakly stratified diamictite (25%; waterlain till or proximal glaciomarine sediment), well-stratified diamictite (8%; proximal glaciomarine or glaciolacustrine sediment), sandstone (25%; sand of aeolian or supraglacial origin), mudstone(7%; derived from subglacial debris and transported offshore in suspension), and minor amounts of rhythmite and tuff. The range of facies in this polar setting differs from those normally found in subpolar and temperate glacier fiord settings in the high proportion of aeolian-derived sand and the low proportion of mudstone facies.The core can be divided into two sequences based on composition and texture. The sequence from 162 to 100 mbsf (metres below the sea floor) comprises alternations of diamictite dominated by basement lithologies and thin marine mudstone beds. It is Pliocene in age (4.9–2.0 Ma) and records several advances and retreats of ice through the Transantarctic Mountains and across the drill site from the west. The sequence from 100 mbsf to the sea floor, of Pleistocene age, consists of alternations of diamictite, interpreted as lodgement and waterlain till, and sandstone of aeolian origin deposited in a glaciolacustrine setting, similar to ice-covered lakes in the Dry Valleys today. These sediments have a high volcanic component, and hence are thought to have been derived by the grounding and advance of the Ross Ice Shelf from the east past volcanic Ross Island. This change in source is attributed to the rising Transantarctic Mountains increasingly containing East Antarctic ice.The Pleistocene sequence above 100 mbsf clearly represents polar glacial sedimentation, with alternations of till and glaciolacustrine sand. Mudstones from the Pliocene sequence beneath include palynomorphs, indicating times when the landscape was at least partially vegetated, but contain no evidence of meltwater influence.
    Type of Medium: Electronic Resource
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  • 3
    Publication Date: 2017-04-04
    Description: This chapter explores the Middle Miocene to Pliocene terrestrial and marine records of Antarctica and the Southern Ocean. The structure of the chapter makes a clear distinction between terrestrial and marine records as well as proximal (on or around Antarctica) and more distal records (Southern Ocean). Particular geographical regions are identified that reflect the areas for which the majority of palaeoenvironmental and palaeoclimatic information exist. Specifically, the chapter addresses the terrestrial sedimentary and fjordal environments of the Transantarctic Mountains and Lambert Glacier region, the terrestrial fossil record of Antarctic climate, terrestrial environments of West Antarctica, and the marine records of the East Antarctic Ice Sheet (EAIS), the West Antarctic Ice Sheet (WAIS) and the Antarctic Peninsula Ice Sheet (APIS), as well as the marine record of the Southern Ocean. Previous and current studies focusing on modelling Middle Miocene to Pliocene climate, environments and ice sheets are discussed.
    Description: Published
    Description: 401-463
    Description: 1.8. Osservazioni di geofisica ambientale
    Description: 3.8. Geofisica per l'ambiente
    Description: reserved
    Keywords: Middle Miocene ; Pliocene ; Antarctica ; Southern Ocean ; 03. Hydrosphere::03.01. General::03.01.06. Paleoceanography and paleoclimatology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: book chapter
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  • 4
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev
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  • 5
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev
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  • 6
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Series , peerRev
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  • 7
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    In:  EPIC3Proc ODP, Sci Results, 119, pp. 77-132
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Series , peerRev
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  • 8
    Publication Date: 2018-08-10
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev
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  • 9
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    In:  EPIC3In: Barron, J; Larsen, B, et al. (eds.), Proc. ODP, Sci. Results, College Station, TX. (Ocean Drilling Program), 119, 77-132, 119, pp. 77-132
    Publication Date: 2019-07-17
    Description: Drilling was undertaken at five sites (739-743) on ODP Leg 119 on a transect across the continental shelf of Prydz Bay, East Antarctica, to elucidate the long-term glacial history of the area and to examine the importance of the area with respect to the development of the East Antarctic ice sheet as a whole. In addition to providing a record of glaciation spanning 36 m.y. or more, Leg 119 has provided information concerning the development of a continental margin under the prolonged influence of a major ice sheet. This has allowed the development of a sedimentary model that may be applicable not only to other parts of the Antarctic continental margin, but also to northern high-latitude continental shelves.The cored glacial sedimentary record in Prydz Bay consists of three major sequences, dominated by diamictite:1. An upper flat-lying sequence that ranges in thickness from a few meters in inner and western Prydz Bay to nearly 250 m in the outer or eastern parts of the bay. The uppermost few meters consist of Holocene diatom ooze and diatomaceous mud with a minor ice-rafted component overlying diamicton and diamictite of late Miocene to Quaternary age. The diamictite is mainly massive, but stratified varieties and minor mudstone and diatomite also occur.2. An upper prograding sequence cored at Sites 739 and 743, unconformly below the flat-lying sequence. This consists of a relatively steep (4° inclination) prograding wedge with a number of discrete sedimentary packages. At Sites 739 and 743 the sequence is dominated by massive and stratified diamictite, some of which shows evidence of slumping and minor debris flowage.3. A lower, more gently inclined, prograding sequence lies unconformably below the flat-lying sequence at Site 742 and the upper prograding sequence at Site 739. This extends to the base of both sites, to 316 and 487 mbsf, respectively.It is dominated by massive, relatively clast-poor diamictite which is kaolinite-rich, light in color, and contains sporadic carbonate-cemented layers. The lower part of Site 742 includes well-stratified diamictites and very poorly sorted mudstones. The base of this site has indications of large-scale soft-sediment deformation and probably represents proximity to the base of the glacial sequence.Facies analysis of the Prydz Bay glacial sequence indicates a range of depositional environments. Massive diamictite is interpreted largely as waterlain till, deposited close to the grounding line of a floating glacier margin, although basal till and debris flow facies are also present. Weakly stratified diamictite is interpreted as having formed close to or under the floating ice margin and influenced by the input of marine diatomaceous sediment (proximal glaciomarine setting).Well-stratified diamictite has a stronger marine input, being more diatom-rich, and probably represents a proximal-distal glaciomarine sediment with the glaciogenic component being supplied by icebergs. Other facies include a variety of mudstones and diatom-rich sediments of marine origin, in which an ice-rafted component is still significant. None of the recovered sediments are devoid of a glacial influence.The overall depositional setting of the prograding sequence is one in which the grounded ice margin is situated close to the shelf edge. Progradation was achieved primarily by deposition of waterlain till. The flat-lying sequence illustrates a complex sequence of advances and retreats across the outer part of the shelf, with intermittent phases of ice loading and erosion.The glacial chronology is based largely on diatom stratigraphy, which has limited resolution. It appears that ice reached the paleoshelf break by earliest Oligocene, suggesting full-scale development of the East Antarctic ice sheet by that time. The ice sheet probably dominated the continental margin for much of Oligocene to middle Miocene time. Retreat, but not total withdrawal of the ice sheet, took place in late Miocene to mid-Pliocene time. The late Pliocene to Pleistocene was characterized by further advances across, and progradation of, the continental shelf. Holocene time has been characterized by reduced glacial conditions and a limited influence of glacial processes on sedimentation.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev
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  • 10
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    In:  EPIC3Synthesis of results from scientific drilling in the Indian Ocean (R.A. Duncan, D.K. Rea, R.B. Kidd, U. von Rad, J.K. Weissel, eds ) Geophys Monogr 70, AGU, Washington, D C, pp. 423-446
    Publication Date: 2019-07-16
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev
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