| 川西冷水箐Cu-Ni硫化物矿床的PGE和Re-Os同位素地球化学特征及成矿意义 |
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| 引用本文： | 苟体忠,钟宏,朱维光,漆亮,冷成彪,吴孔文.川西冷水箐Cu-Ni硫化物矿床的PGE和Re-Os同位素地球化学特征及成矿意义[J].岩石学报,2010,26(11):3363-3374. |
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| 作者姓名： | 苟体忠 钟宏 朱维光 漆亮 冷成彪 吴孔文 |
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| 作者单位： | 1. 中国科学院地球化学研究所矿床地球化学国家重点实验室,贵阳,550002;中国科学院研究生院,北京,100049
2. 中国科学院地球化学研究所矿床地球化学国家重点实验室,贵阳,550002 |
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| 基金项目： | 本文受国家自然科学基金项目(40873028,40673031)、中国科学院知识创新工程重要方向项目(KZCX2-YW-136、KZCX2-YW-111)和矿床地球化学国家重点实验室专项经费联合资助. |
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| 摘 要： | 采用ICP-MS分析方法对冷水箐铜镍硫化物矿床矿石的PGE和Re-Os同位素地球化学研究表明,矿石的∑PGE较低,其值变化在7.91×10-9～56.9×10-9之间。矿石的Cu/Pd比值(9460～318040)远大于原始地幔的Cu/Pd比值,表明其原始岩浆在早期结晶过程中已经历了硫化物的熔离。矿石的Pd/Ir比值(2.57～112)变化较小,指示其大多数矿石属于岩浆型。(187Os/188Os)i比值和γOs(t)值变化较大,其值分别变化在0.1758～0.3620之间以及+44.0～+197之间,显示在成矿过程和岩浆侵位期间有较多地壳物质加入到成矿成岩系统。
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| 关 键 词： | 铜镍硫化物矿床 Re-Os同位素 铂族元素 冷水箐 |
| 收稿时间： | 8/4/2009 12:00:00 AM |
| 修稿时间： | 2010/7/17 0:00:00 |
Geochemical characteristics of platinum-group elements and Re-Os isotope of the Lengshuiqing Cu-Ni sulfide deposit in western Sichuan Province and implications for mineralization. |
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| GOU TiZhong,ZHONG Hong,ZHU WeiGuang,QI Liang,LENG ChengBiao and WU KongWen.Geochemical characteristics of platinum-group elements and Re-Os isotope of the Lengshuiqing Cu-Ni sulfide deposit in western Sichuan Province and implications for mineralization.[J].Acta Petrologica Sinica,2010,26(11):3363-3374. |
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| Authors: | GOU TiZhong ZHONG Hong ZHU WeiGuang QI Liang LENG ChengBiao and WU KongWen |
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| Institution: | State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China;Graduate School of Chinese Academy of Sciences, Beijing 100049, China;State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China;State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China;State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China;State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China;Graduate School of Chinese Academy of Sciences, Beijing 100049, China;State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China;Graduate School of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | |
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| Keywords: | Cu-Ni sulfide deposit Re-Os isotope Platinum-group elements Lengshuiqing |
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