Nacre tablet thickness records formation temperature in modern and fossil shells

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• 作者：Pupa U.P.A Gilbert^a ; ^b ; ¹ ; ^{pupa@physics.wisc.edu} ; Kristin D. Bergmann^c ; ^d ; Corinne E. Myers^e ; ^f ; Matthew A. Marcus^g ; Ross T. DeVol^a ; Chang-Yu Sun^a ; Adam Z. Blonsky^a ; Erik Tamre^b ; ^c ; Jessica Zhao^b ; Elizabeth A. Karan^b ; Nobumichi Tamura^g ; Sarah Lemer^e ; Anthony J. Giuffre^a ; Gonzalo Giribet^e ; John M. Eiler^h ; Andrew H. Knoll^c ; ^e
• 关键词：paleo-climate ; proxy ; biomineral ; mollusk ; PEEM ; iridescence
• 刊名：Earth and Planetary Science Letters
• 出版年：2017
• 出版时间：15 February 2017
• 年：2017
• 卷：460
• 期：Complete
• 页码：281-292
• 全文大小：5213 K
• 卷排序：460

文摘

We show that nacre tablet thickness (TT) correlates with formation temperature (T). The TT vs. T correlation can be used as a thermometer to measure paleo-temperatures. This is a physical, not a chemical proxy, and thus is less sensitive to diagenesis.