Characteristics and distribution of Neogene turbidites at ODP Site 108-657, supplement to: Faugeres, Jean-Claude; Legigan, Philippe; Maillet, Noelle; Sarnthein, Michael; Stein, Ruediger (1989): Characteristics and distribution of Neogene turbidites at Site 657 (Leg 108, Cap Blanc continental rise, Northwest Africa): variations in turbidite source and continental climate. In: Ruddiman, W; Sarnthein, M; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 108, 329-348

Jean-Claude Faugeres, Philippe Legigan, Noelle Maillet, Michael Sarnthein & Ruediger Stein
Numerous and variable silty-sandy siliciclastic turbidites were observed in Neogene pelagic sediments (late Miocene to Holocene) at Site 657: (1) thick-bedded, coarse-grained and thin-bedded, fine-grained turbidites; and (2) turbidites composed of eolian dune sand and shallow-water bioclasts or of fluvial-sand or mixed sandy component assemblages.The stratigraphic distribution of these turbidites indicates five periods during which climatic conditions and material sources change. Turbidite occurrence prior to 6.2 Ma (late Miocene) is sparse; the deposits contain coarse...
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