Oxygen isotope studies of carbonaceous chondrites

被引：609

作者：

Clayton, RN ^{[1
]}

Mayeda, TK ^{[1
]}

机构：

[1] Univ Chicago, Enrico Fermi Inst, Dept Chem, Dept Geophys Sci, Chicago, IL 60637 USA

来源：

GEOCHIMICA ET COSMOCHIMICA ACTA | 1999年 / 63卷 / 13-14期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/S0016-7037(99)00090-3

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：

The carbonaceous chondrites display the widest range of oxygen isotopic composition of any meteorite group, as a consequence of the interaction of primordial isotopic reservoirs in the solar nebula. These isotopic Variations can be used to identify the reservoirs and to determine conditions and loci of their interactions. We present a comprehensive set of whole-rock analyses of CV, CO, CK, CM, CR, CH, and CI chondrites, as well as selected components of some of these meteorites. A simple model is developed which describes the isotopic behavior during parent-body aqueous alteration processes. The process of thermal dehydration also produces a recognizable effect in the oxygen isotopic composition. Copyright (C) 1999 Elsevier Science Ltd.

引用

页码：2089 / 2104

页数：16

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