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Biostratigraphy and Chemostratigraphy Across the Lower Kellwasser Boundary in Laye Section, Guizhou Province
Authors
Zhiqiang Bai
Jieqiong Chang
+4 more
Jianxiang Guo
Yukun Li
Yongbo Peng
Bing Shen
Publication date
20 July 2018
Publisher
LSU Digital Commons
Doi
Cite
Abstract
© 2018 Peking University. In order to study biostratigraphy and chemical stratigraphy during the Lower Kellwasser event, high resolution conodonts research and chemostratigraphic framework were carried out. The data reveals that the inorganic and organic carbon isotope have a significant positive excursion at the bottom of the Laye section. It is considered that the sample LY-8 is consistent with the Lower Kellwasser boundary. The main reason for the change of carbon isotope in this area is the increase of organic carbon burial, which is caused by the increase of marine primary productivity and anoxia environment possibly
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Last time updated on 26/10/2023