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5. Sm-Nd Isotopic Signatures and Significance of the Precambrian-Cambrian Seawater in China

Sm-Nd Isotopic Signatures and Significance of the Precambrian-Cambrian Seawater in China

来源 :中国科学：化学英文版 | 被引量 : 0次 | 上传用户：xxxxssss11112222

【摘 要】

：

Sm-Nd isotopic determination on small shelly fossils and collophanites collected from 3Precambrian-Cambrian boundary sections,namely Meishucun of Jinning in Yun

【作 者】

：

杨杰东 孙卫国 王银喜 王宗哲 

【机 构】

：

CenterofModernAnalysis,NanjingInstituteofGeologyandPalaeontology

【出 处】

：

中国科学：化学英文版

【发表日期】

：

1994年10期

【关键词】

：

Precambrian-Cambrian boundary paleo-ocean FOSSIL isotope Precambrian-Cambrian bo 

【基金项目】

：

the National Natural Science Foundation of China

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Sm-Nd isotopic determination on small shelly fossils and collophanites collected from 3Precambrian-Cambrian boundary sections,namely Meishucun of Jinning in Yunnan,Maidiping of Emei inSichuan and Wushi of Kalpin in Xinjiang,shows that the seawater masses

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