Redox conditions across the G-L boundary in South China: Evidence from pyrite morphology and sulfur isotopic compositions
详细信息 查看全文
- 作者：Hengye Weia ; b ; weihengye@163.com" class="auth_mail" title="E-mail the corresponding author ; hywei@ecit.cn" class="auth_mail" title="E-mail the corresponding author ; Xuemei Weia ; Zhen Qiuc ; Huyue Songd ; Guo Shia
- 关键词：Redox ; Framboidal pyrite ; Sulfur isotope ; G&ndash ; L boundary ; Mass extinction ; South China
- 刊名：Chemical Geology
- 出版年：2016
- 出版时间：15 November 2016
- 年：2016
- 卷：440
- 期：Complete
- 页码：1-14
- 全文大小：2540 K
文摘
- •
Anoxia and intermittent euxinia occurred at the G-L boundary.
- •
Long-term dysoxic conditions developed in the middle Capitanian.
- •
Anoxia/euxinia to dysoxia caused the end-Guadalupian mass extinction.
- •
δ34Spy tracks the framboid size distributions across the G-L boundary.