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Evidence for oxic conditions during oceanic anoxic event 2 in the northern Tethyan pelagic realm

Westermann, S. ; Caron, Michèle ; Fiet, N. ; Fleitmann, D. ; Matera, V. ; Adatte, T. ; Föllmi, K. B.

In: Cretaceous Research, 2010, vol. 31, no. 5, p. 500-514

Upper Cenomanian pelagic sediments from the northern Alpine Helvetic fold-and-thrust belt (northern Tethyan margin) coeval with Oceanic Anoxic Event (OAE) 2 are characterized by the temporal persistence of micrite sedimentation and lack of organic carbon-rich layers. We studied an expanded section in the Chrummflueschlucht (east of Euthal, Switzerland), which encompasses the OAE 2 time interval....