High-resolution stratigraphy and turbidite processes in the Seine Abyssal Plain, northwest Africa |
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| Authors: | T L Davies B Van Niel Robert B Kidd P P E Weaver |
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| Institution: | (1) Conoco UK Ltd, Rubislaw House, Anderson Drive, Aberdeen, AB15 6FZ, UK, GB;(2) Southampton Oceanography Centre, Empress Dock, Southampton, SO14 3ZH, UK, GB;(3) Marine Geosciences Research Group, Department of Earth Sciences, University of Wales Cardiff, PO Box 914, Cardiff, CF1 3YE, UK, GB |
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| Abstract: | Seine Abyssal Plain sediments consist of turbidites interbedded with pelagic oozes, marls, and clays. The pelagics produce
a high-resolution integrated stratigraphy combining oxygen isotope, carbonate curves, palaeotemperature analyses, and nannofossil
acme zone stratigraphy. Individual turbidites could then be correlated. Isogram and isopach maps of the turbidites maximum
median grain size and thickness, respectively, were used to identify turbidity current pathways and study their depositional
processes. Nannofossil fingerprints were used to study possible sedimentary links between the Seine and Madeira abyssal plains.
Received: 8 February 1996 / Revision received: 9 May 1996 |
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