Description

A Late Ordovician silicified brachiopod fauna from the White Mountain area, west-central Alaska is described and interpreted in a palaeoecological and biogeographical context. This area is situated within the Nixon Fork Subterrane of the Farewell Terrane, which origin and timing of final docking with Laurentia has been much debated. The current study adds new faunal data to the debate with nearly 100 species described, of these at least nine are new. The fauna is predominantly a deep-water autochthonous fauna that was mixed with an allochthonous fauna as a result of down-slope movement of turbidity currents. Biogeographically this study demonstrates close faunal affinities with Siberia.

Late Ordovician Brachiopods from West-Central Alaska: Systematics, Ecology and Palaeobiogeography

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Paperback / softback by Christian M. O. Rasmussen , David A. T. Harper

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A Late Ordovician silicified brachiopod fauna from the White Mountain area, west-central Alaska is described and interpreted in a palaeoecological... Read more

    Publisher: John Wiley and Sons Ltd
    Publication Date: 27/03/2012
    ISBN13: 9781118384176, 978-1118384176
    ISBN10: 1118384172

    Number of Pages: 108

    Non Fiction , Earth Sciences, Geography & Environment , Education

    Description

    A Late Ordovician silicified brachiopod fauna from the White Mountain area, west-central Alaska is described and interpreted in a palaeoecological and biogeographical context. This area is situated within the Nixon Fork Subterrane of the Farewell Terrane, which origin and timing of final docking with Laurentia has been much debated. The current study adds new faunal data to the debate with nearly 100 species described, of these at least nine are new. The fauna is predominantly a deep-water autochthonous fauna that was mixed with an allochthonous fauna as a result of down-slope movement of turbidity currents. Biogeographically this study demonstrates close faunal affinities with Siberia.

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