Isotope geochemistry of the Dongchuan copper deposit, Yunnan, SW China: Stratigraphic chronology and application of lead isotopes in geochemical exploration | |
Chang Xiangyang;Zhu Bingquan | |
2002 | |
发表期刊 | Chinese Journal of Geochemistry |
卷号 | 21期号:1页码:65–72 |
摘要 | In this paper the Pb-Pb isochron method was used to determine the isotopic ages of the Luoxue Formation dolomites (1716 ±56 Ma), the Heishan Formation carbonaceous slates ( 1607 ±128 Ma) of the middle sub-group of the Kunyang Group and the Dayingpan Formation carbonaceous slates (1258 ±70Ma) of the upper sub-group of the Kunyang Group. The age of the middle sub-group of the Kunyang Group is about 1800 – 1600 Ma, belonging to the Late Paleo-Proterozoic, and that of the Dayingpan Formation in the upper sub-group of the Kunyang Group is about 1200 – 1300 Ma, belonging to the Middle Proterozoic. In addition, the Pb isotope chemical exploration techniques were used to study systematically the Pb isotopic compositions of rocks and ores across the No. 14 vein in the middle segment of the No. 1 pit of the Tangdan copper deposit and the result showed that the Pb isotope V1 values are negatively correlated with the copper contents. It is the first trial to use the systematic section method to conduct Pb isotope chemical exploration. |
关键词 | Dongchuan Copper Deposit Pb-pb Isochron Stratigraphic Chronology Pb Isotope |
收录类别 | SCI |
语种 | 英语 |
文献类型 | 期刊论文 |
条目标识符 | http://ir.gyig.ac.cn/handle/42920512-1/8326 |
专题 | 环境地球化学国家重点实验室 |
作者单位 | 1.Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 519640, China 2.( The State Key Lab. of Environmental Geochemistry, Institute of Geochemistry, Guiyang 550002, China |
推荐引用方式 GB/T 7714 | Chang Xiangyang;Zhu Bingquan. Isotope geochemistry of the Dongchuan copper deposit, Yunnan, SW China: Stratigraphic chronology and application of lead isotopes in geochemical exploration[J]. Chinese Journal of Geochemistry,2002,21(1):65–72. |
APA | Chang Xiangyang;Zhu Bingquan.(2002).Isotope geochemistry of the Dongchuan copper deposit, Yunnan, SW China: Stratigraphic chronology and application of lead isotopes in geochemical exploration.Chinese Journal of Geochemistry,21(1),65–72. |
MLA | Chang Xiangyang;Zhu Bingquan."Isotope geochemistry of the Dongchuan copper deposit, Yunnan, SW China: Stratigraphic chronology and application of lead isotopes in geochemical exploration".Chinese Journal of Geochemistry 21.1(2002):65–72. |
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