手机知网 App
24小时专家级知识服务
打 开
数学
STUDIES ON Sm AND Nd ISOTOPIC SIGNATURES IN FOSSILS IN CAMBRIAN-ORDOVICIAN BOUNDARY STRATA OF DAYANGCHA SECTION, JILIN, CHINA
<正> Recent researches have demonstrated that Nd isotope is a new tool for studies on paleoceanography, ocean-crust evolution and paleoecology. Fossil phosphates and carbonates are the appropriate samples for investigating the Nd isotopic signatures of paleoseawater.We report and discuss, in this article, Nd isotopic data of determined fossils in the Cambrian-Ordovician Boundary strata of Dayangcha section, China.
0 7
手机阅读本文
下载APP 手机查看本文
Chinese Science Bulletin
1989年01期

搜 索