Inorganic geochemical record of ODP Holes 117-722B and 117-724C, supplement to: Shimmield, Graham; Mowbray, Stephen R (1991): The inorganic geochemical record of the northwest Arabian Sea: a history of productivity variation over the last 400 k.y. from Sites 722 and 724. In: Prell, WL; Niitsuma, N; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 117, 409-429

Graham Shimmield & Stephen R Mowbray
High-resolution sampling from late Pleistocene (last 400 k.y.) sediments of Site 722 (upper 16 m) and Site 724 (upper 70 m), and subsequent inorganic geochemical analysis, has defined the history of productivity in the northwest Arabian Sea. Eolian dust input from the Arabian Peninsula and Somalia is characterized by the record of Ti/Al and Cr/Al. This dust record displays strong precessional periodicity (cycles at 25 k.y.) suggesting the Southwest Monsoon and associated winds play a...
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