Combining Metal Stable Isotope Fractionation Theory with Experiments

被引:42
|
作者
Schauble, Edwin A. [1 ]
Meheut, Merlin [1 ,2 ]
Hill, Pamela S. [1 ]
机构
[1] Univ Calif Los Angeles, Dept Earth & Space Sci, Los Angeles, CA 90095 USA
[2] Univ Toulouse 3, CNRS, Lab Etud Mecanismes Transfert Geol, F-31062 Toulouse, France
基金
美国国家科学基金会;
关键词
isotope fractionation theory; paleothermometry; redox; aqueous geochemistry; electronic structure modeling; EQUILIBRIUM FRACTIONATION; IRON; DIFFUSION;
D O I
10.2113/gselements.5.6.369
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
Theoretical, experimental, and empirical methods for estimating isotope fractionations often complement one another in precision and ease of application. In metal isotope systems, a combined approach to calibrating stable isotope fractionation shows great promise, but it is sometimes necessary to resolve significant and disagreements between theoretical models and empirical data. Here we introduce some of the principles and techniques used to estimate metal Isotope signatures In low-temperature environments, and we highlight potential sources of uncertainty and error. We also discuss strategies for integrating theoretical calculations with data from laboratory experiments and natural sample suites.
引用
收藏
页码:369 / 374
页数:6
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