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    The archipelago group: current understanding

    Bandopadhyay, P.C. and Carter, Andrew (2017) The archipelago group: current understanding. In: Bandopadhyay, P.C. and Carter, Andrew (eds.) The Andaman–Nicobar Accretionary Ridge: Geology, Tectonics and Hazards. Memoirs 47. Geological Society, London, pp. 153-166. ISBN 9781786202819.

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    The geology and stratigraphy of the Archipelago Group are reviewed and new data presented to improve understanding. Major lithofacies are bioclastic limestones, bioturbated mottled marlstones, micritic limestones, trace fossil-bearing mudstones, quartzose sandstones and reworked volcanic material of Mio-Pliocene and Pleistocene age. The succession overlies the Pre-Neogene submarine fan turbidites and tectonic mélanges of ophiolite derivation and Mithakhari rocks, and is overlain by Quaternary deposits of late Pleistocene–Holocene age. The Neogene sequences were deposited in wave- and current-agitated shallow-marine intertidal and relatively deeper-water subtidal, nearshore and offshore shelfal environments. The existing stratigraphic framework is examined and suggestions made for improvement.


    Item Type: Book Section
    Additional Information: ISSN: 0435-4052
    School: School of Science > Earth and Planetary Sciences
    Depositing User: Andy Carter
    Date Deposited: 27 Feb 2017 09:16
    Last Modified: 27 Feb 2017 09:16


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