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Anderson, L., Maslin, M.A., Jansen, F., Lin, H., Pufahl, P.K., Pérez, M., Brüchert, V. and Vidal, L. 1998. Lithostratigraphic Summary For Leg 175: Angola-Benguela Upwelling System. Proceedings of the Ocean Drilling Program, Initial Reports, 175: 533-542


Description:

Lithostratigraphic Summary For Leg 175: Angola-Benguela Upwelling System.

Summary / Notes:

During Ocean Drilling Program Leg 175, 40 holes were drilled at 13 sites, and 8003 m were recovered with the aim of reconstructing the late Neogene history of the Angola-Benguela upwelling system on the southwest African margin. This system is one of the great upwelling regions of the world and is characterized by organic-rich sediments that provide an excellent record of productivity back to the middle Miocene. Understanding the sedimentology and stratigraphy of these sediments will provide important new information on the paleoceanography of this region, including the complex role the ocean plays in global carbon cycling and climate change. This contribution summarizes the sedimentologic and stratigraphic data compiled on board the JOIDES Resolution between 12 August and 10 October 1997. The 13 drill sites can be divided into four regions based on sediment type and composition: (1) the Lower Congo Basin, (2) the Angola Basin, (3) the Walvis Ridge and Basin, and (4) the Cape Basin.

Year: 1998

Type: Journal Article

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