Zinc and cadmium stable isotopes in the geological record: A case study from the post-snowball Earth Nuccaleena cap dolostone

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• 作者：Seth G. John^a ; ^{sethjohn@usc.edu} ; Marcus Kunzmann^b ; ^c ; Emily J. Townsend^d ; Angela D. Rosenberg^d
• 关键词：Zn ; Cd ; Carbonate ; GEOTRACES
• 刊名：Palaeogeography, Palaeoclimatology, Palaeoecology
• 出版年：2017
• 出版时间：15 January 2017
• 年：2017
• 卷：466
• 期：Complete
• 页码：202-208
• 全文大小：787 K
• 卷排序：466

文摘

A new record of Cd stable isotopes is presented from a post-Marinoan cap carbonate. δ66Zn and δ114Cd vary at the same time and in the same direction within the record. We propose that Cd and Zn stable isotopes record a switch between sulfide and organic sinks.