| 云南个旧白沙冲和北炮台花岗岩岩石学、地球化学研究及成因探讨 |
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| 引用本文： | 李肖龙,毛景文,程彦博.云南个旧白沙冲和北炮台花岗岩岩石学、地球化学研究及成因探讨[J].地质论评,2011,57(6):825-836. |
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| 作者姓名： | 李肖龙 毛景文 程彦博 |
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| 作者单位： | 1. 中国地质大学地球科学与资源学院,北京,100083
2. 中国地质大学地球科学与资源学院,北京,100083;中国地质科学院矿产资源研究所,北京,100037 |
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| 基金项目： | 本文为国家自然科学基金重点项目(编号40930419)、国土资源部公益性行业科研专项(编号20091100712)、云南锡业集团有限责任公司科研项目(编号201004A)和中央高校基本科研业务费专项资金资助项目（编号29201021）的成果。 |
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| 摘 要： | 白沙冲岩体和北炮台岩体均位于个旧矿田的东区北段.白沙冲岩体岩性主要为黑云母花岗岩,而北炮台岩体岩性主要为似斑状黑云母花岗岩.本文通过对白沙冲岩体、北炮台岩体进行岩石学、地球化学、Nd、Sr同位素研究,厘定白沙冲岩体属过铝质的高钾钙碱性花岗质岩石,北炮台岩体属准铝质的钾玄岩系列花岗岩.两岩体均表现出亏损Ba、Sr、Nb、...
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| 关 键 词： | 花岗岩体 岩石学 岩石化学 Nd、Sr同位素 个旧 云南 |
Petrology, Geochemistry and Petrogenesis of the Baishachong and Beipaotai Granitic Stocks in Gejiu, Yunnan Province, Southwest China |
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| LI Xiaolong,MAO Jingwen,CHENG Yanbo.Petrology, Geochemistry and Petrogenesis of the Baishachong and Beipaotai Granitic Stocks in Gejiu, Yunnan Province, Southwest China[J].Geological Review,2011,57(6):825-836. |
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| Authors: | LI Xiaolong MAO Jingwen CHENG Yanbo |
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| Institution: | LI Xiaolong~1),MAO Jingwen~1,2),CHENG Yanbo~1) 1) Faculty of Earth Science and Mineral Resources,China University of Geosciences,Beijing,100083,2) Institute of Mineral Resources,Chinese Academy of Geological Sciences,100037 |
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| Abstract: | The Baishachong and Beipaotai granites are both located in the eastern part of the Gejiu orefield,Yunnan province.In lithology,the Baishachong granite is mainly equigranular biotite granite,whereas the Beipaotai granite is mainly porphyritic biotite granite.In this paper,a systematic petrological,geochemical,and Nd,Sr isotopic study is carried out.On the basis of previous zircon SHRIMP dating,combing the new data obtained in this study,the characteristics,evolution and petrogenesis of the two granitic stock... |
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| Keywords: | granite petrology petrochemistry Nd Sr isotopes Gejiu orefield Yunnan Province |
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