| 四川宁南银厂沟震旦-寒武纪交变期碳、氧同位素地球化学特征 |
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| 引用本文： | 李雁龙,钟长洪,马比阿伟,刘炳璋.四川宁南银厂沟震旦-寒武纪交变期碳、氧同位素地球化学特征[J].四川地质学报,2010,30(1):82-85. |
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| 作者姓名： | 李雁龙 钟长洪 马比阿伟 刘炳璋 |
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| 作者单位： | 四川省地矿局攀西地质队,四川,西昌,615000 |
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| 摘 要： | 扬子地台西缘攀西地区，晚震旦世-早寒武世为一套连续沉积碳酸盐岩，众多科研文献中时代地层、岩性地层和生物地层的划分各异。在此交变期及其近前后，随之发生诸多地质事件，成为地学研究的热点之一。于宁南等四幅1：5万区调工作中，实测灯影组麦地坪段地层剖面，采集新鲜岩样，测试碳、氧同位素，试从稳定同位素地球化学角度阐述其指示意义，提供研究震旦一寒武纪交变期的地球化学资料。
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| 关 键 词： | 碳 、氧同位素 震旦-寒武纪交变期 灯影组麦地坪段 四川宁南 |
Geochemical Characteristics of Carbon and Oxygen Isotopic Compositions on the Sinian-Cambrian Boundary In Yinchang Valley, Ningnan |
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| LI Yanlong,ZHONG Changhong,MABI Awei,LIU Bingzhang.Geochemical Characteristics of Carbon and Oxygen Isotopic Compositions on the Sinian-Cambrian Boundary In Yinchang Valley, Ningnan[J].Acta Geologica Sichuan,2010,30(1):82-85. |
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| Authors: | LI Yanlong ZHONG Changhong MABI Awei LIU Bingzhang |
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| Institution: | LI Yanlong ZHONG Changhong MABI Awei LIU Bingzhang(Panxi Geological Party,BGEEMRSP,Xichang,Sichuan 615000) |
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| Abstract: | The Upper Sinian and Lower Cambrian in the Panzhihua-Xichang region is a set of continuous carbonate deposit. Many geological events occurred near the Sinian-Cambrian boundary. The δ 13C and δ 18O values for carbonate from the Maidiping Member of the Dengying Formation in Yinchang Valley, Ningnan provide very important information for studying these geological events. |
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| Keywords: | δ13C and δ18O values Sinian-Cambrian boundary Maidiping Member of the Dengying Formation Ningnan Sichuan |
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