40Ar/39Ar dating of supergene Mn-oxides from the Zunyi Mn deposit, Guizhou Plateau, SW China: Implications for chemical weathering and paleoclimatic evolution since the late Miocene
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- 作者：Xiao-Dong Denga ; b ; dengxiaodong@cug.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Jian-Wei Lia ; b ; Paulo M. Vasconcelosc
- 关键词：Supergene Mn-oxides ; 40Ar/39Ar geochronology ; Chemical denudation rate ; Guizhou Plateau
- 刊名：Chemical Geology
- 出版年：2016
- 出版时间：16 December 2016
- 年：2016
- 卷：445
- 期：Complete
- 页码：185-198
- 全文大小：4805 K
文摘
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40Ar/39Ar dating of Mn-oxides to constrain the timing and history of chemical weathering
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Mn-oxide precipitation ages are used to quantify the chemical weathering rate.
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Supergene Mn-oxides serve as good proxies for past humid climatic condition.