加强埃达克岩研究,开创中国Cu、Au等找矿工作的新局面

张旗 秦克章 王元龙 张福勤 刘红涛 王焰. 加强埃达克岩研究,开创中国Cu、Au等找矿工作的新局面[J]. 岩石学报, 2004, 20(2): 195-204.
引用本文: 张旗 秦克章 王元龙 张福勤 刘红涛 王焰. 加强埃达克岩研究,开创中国Cu、Au等找矿工作的新局面[J]. 岩石学报, 2004, 20(2): 195-204.
ZHANG Qi,QIN KeZhang,WANG YanLong,ZHANG FuQin,LIU HongTao and WANG Yan Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,ChinaDepartment of Earth Sciences,University of Hong Kong,Hong Kong,China. Study on adakite broadened to challenge the Cu and Au exploration in China[J]. Acta Petrologica Sinica, 2004, 20(2): 195-204.
Citation: ZHANG Qi,QIN KeZhang,WANG YanLong,ZHANG FuQin,LIU HongTao and WANG Yan Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,ChinaDepartment of Earth Sciences,University of Hong Kong,Hong Kong,China. Study on adakite broadened to challenge the Cu and Au exploration in China[J]. Acta Petrologica Sinica, 2004, 20(2): 195-204.

加强埃达克岩研究,开创中国Cu、Au等找矿工作的新局面

  • 基金项目:

    国家“973”项目“大规模成矿作用与大型矿集区预测”(G1999043206-05),中国科学院知识创新工程基金(KZCX 1-07),中国科学院知识创新工程基金“北方造山带(东段)大规模成矿的构造动力学背景”(KZCX2-104)课题资助的项目.

  • 埃达克岩与浅成低温热液Au-Ag及斑岩型Cu、Cu-Au矿床有密切的关系,环太平洋地区多数大型和世界级的斑岩铜矿均与埃达克岩有关。埃达克岩有利于成矿的关键因素与埃达克岩形成时角闪石转变为石榴石的脱水作用有关,而水能萃取出在地幔和基性岩中富集的金属元素。因此,埃达克岩集中分布的地区有利于铜、金等矿化的聚集。中国铜矿资源严重不足,解决这个紧迫问题的出路在寻找斑岩铜矿。全球铜矿主要分布在环太平洋地区,中国与环太平洋类似的地区不是中国东部,而是古亚洲洋造山带、东北吉黑东部和西藏冈底斯。从国家目标出发,建议实施铜、金等找矿工作的战略转移,把浅成低温热液和斑岩型Au、Cu、Ag等矿床找矿的重点放在古生代的古亚洲洋造山带、晚古生代-中生代的吉黑东部和中-新生代的冈底斯地区。古亚洲洋造山带首选阿尔泰西南缘-东准噶尔、东天山和内蒙古中部3个地区。埃达克岩可以作为找矿标志来使用,因此,在找矿思路上也应当有一个变化,即:先找埃达克岩,再找矿。
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修回日期:  2003-08-10
刊出日期:  2004-03-31

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