Different fossil brachiopod skeletal microstructure of different information on carbon and oxygen isotope contents

查看全文 作　　者：Xinqing Li;Guojiang Wan;Ronggui Huang

机构地区：[1]Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang 550002, Peoples R China;[2]Chinese Acad Sci, Lanzhou Inst Glaciol & Geocryol, Lab Ice Core & Cold Reg Environm, Lanzhou 730000, Peoples R China;

出　　处：《Chinese Science Bulletin》索引1999年第44卷第22期,共8页

摘　　要：Whether there is isotope fractionation caused by metabolism (vital effect) of bra-chiopods in geologic time with their shells’ δ18O and δ13C has been studied intensively in the field of carbonate isotope geochemistry in the last decade. The approach to dealing with the problem is by comparing isotopic compositions between different fossil brachiopods with their secondary shells which usually consist of two kinds of layers: prismatic layer composed of pris- 关键词：FOSSIL BRACHIOPOD geochemistry stable isotope Longmenshan.

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Different fossil brachiopod skeletal microstructure of different information on carbon and oxygen isotope contents

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