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Université de Neuchâtel

Oceanic events and biotic effects of the Cenomanian-Turonian anoxic event, Tarfaya Basin, Morocco

Keller, Gerta ; Adatte, Thierry ; Berner, Zsolt ; Chellai, E.H. ; Stueben, Doris

In: Cretaceous Research, 2008, vol. 29, no. 5-6, p. 976-994

Profound biotic changes accompanied the late Cenomanian δ13C excursion and OAE2 in planktic foraminifera in the Tarfaya Basin of Morocco. Planktic foraminifera experienced a severe turnover, though no mass extinction, beginning with the rapid δ13C excursion and accelerating with the influx of oxic bottom waters during the first peak and trough of the excursion. Species...