Stepped carbon isotope excursion during the Paleocene-Eocene Thermal Maximum triggered initially by volcanic CO2 emission

Qinghai Zhang (a,b), Xiaoxia Xu (a), Helmut Willems (a), Lin Ding (b), Xiaolei Liu (c) & Kai-Uwe Hinrichs (c)
(a) Department of Geosciences, University of Bremen, Klagenfurter Strasse, 28359 Bremen, Germany. E-mail: zhang@uni-bremen.de (b) Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, 100101 Beijing, China. (c) MARUM, Center for Marine Environmental Sciences, University of Bremen, Leobener Strasse, 28359 Bremen, Germany.