Determination of the Mg/Mn ratio in foraminiferal coatings: An approach to correct Mg/Ca temperatures for Mn-rich contaminant phases
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- 作者：Adam P. Hasenfratza ; adam.hasenfratz@erdw.ethz.ch" class="auth_mail" title="E-mail the corresponding author ; Alfredo Martí ; nez-Garcí ; aa ; b ; Samuel L. Jaccardc ; Derek Vanced ; Markus Wä ; lled ; Mervyn Greavese ; Gerald H. Hauga ; b
- 关键词：paleoceanography ; trace metal geochemistry ; foraminifera ; Mg/Ca thermometry ; Mn overgrowths
- 刊名：Earth and Planetary Science Letters
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：457
- 期：Complete
- 页码：335-347
- 全文大小：4293 K
文摘
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We show that Mg is preferentially dissolved from the pristine foraminifera calcite during reductive cleaning.
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We determine the Mg/Mn ratio in foraminifera Mn-rich coatings.
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We use the Mg/Mn ratio to correct for the Mn contamination.