Geochemistry of sediment cores of the western equatorial Indian Ocean

P.S.N. Murty, D.S. Cronan, Ch.M. Rao, A.L. Paropkari, R.S. Topgi, M.V.S. Guptha, N. Colley

Abstract



Geochemical investigations including partition analysis have been carried out on nine sediment cores from the western equatorial Indian Ocean. The results show that a core from the Arabian Sea exhibits a greater terrigenous influence than cores from the Somali Basin, and that among the Somali Basin cores depth appears to influence the variable distributions of metals in them. Iron, aluminium and titanium appear to be mainly supplied from terrigenous sources, manganese from authigenic sources, and the remaining elements from a variety of sources including submarine volcanic activity

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