Clay Mineral Fluctuations in Late Quaternary Sediments of the Southeastern South Atlantic: Implications for Past Changes of Deep Water Advection
作者： B. Diekmann , R. Petsehick , F. X. Gingele , D. K. Fütterer , A. Abelmann
DOI: 10.1007/978-3-642-80353-6_31
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摘要: Downcore clay mineral fluctuations in Late Quaternary sediment cores from the southeastern South Atlantic and adjoining Southern Ocean are of low amplitude. North of the Antarctic Circumpolar Current/Weddell Gyre boundary, small-scale variations, particularly of clay mineral ratios, essentially monitor cyclic changes of deep water advection in response to climatic oscillations. Kaolinite and chlorite are of most reliable palaeoceanographic significance. Chlorite originates from southern high-latitudes (Antarctic …
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