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豫西夜长坪钼矿床辉钼矿铼-锇同位素年龄及地质意义
引用本文:毛冰,叶会寿,李超,肖中军,杨国强.豫西夜长坪钼矿床辉钼矿铼-锇同位素年龄及地质意义[J].矿床地质,2011,30(6):1069-1074.
作者姓名:毛冰  叶会寿  李超  肖中军  杨国强
作者单位:1. 中国地质大学地球科学与资源学院,北京,100083
2. 中国地质科学院矿产资源研究所,国土资源部成矿作用与资源评价重点实验室,北京100037
3. 国家地质实验测试中心,北京,100037
4. 河南省地质矿产勘查开发局第一地质调查队,河南郑州,450072
5. 中冶国际工程技术有限公司,北京,100028
基金项目:本文得到全国危机矿山接替资源找矿项目(项目编号:20089949和200841019)资助
摘    要:夜长坪钼矿床位于东秦岭-大别造山带,其赋矿围岩为中元古界官道口群龙家园组白云岩,辉钼矿化的主要类型为细脉状、网脉状、浸染状和条带状,围岩蚀变有透辉石化、金云母化、滑石化、绿泥石化、蛇纹石化、硅化和碳酸盐化,为斑岩-矽卡岩型钼矿床.选取5件辉钼矿样品进行了Re-Os同位素定年,获得模式年龄(145.4±2.1)Ma~(1...

关 键 词:地球化学  Re-Os同位素定年  斑岩-矽卡岩型钼矿  夜长坪  豫西

Molybdenite Re-Os isochron age of Yechangping Mo deposit in western Henan Province and its geological implications
MAO Bing , YE HuiShou , LI Chao , XIAO ZhongJun , YANG GuoQiang.Molybdenite Re-Os isochron age of Yechangping Mo deposit in western Henan Province and its geological implications[J].Mineral Deposits,2011,30(6):1069-1074.
Authors:MAO Bing  YE HuiShou  LI Chao  XIAO ZhongJun  YANG GuoQiang
Institution:MAO Bing1,YE HuiShou2,LI Chao3,XIAO ZhongJun4 and YANG GuoQiang5(1 China University of Geosciences,Beijing 100083,China,2 MRL Key Laboratory of Metallogeny and Mineral Assessment,Institute of Mineral Resources,CAGS,Beijing 100037,3 National Research Center of Geoanalysis,4 No.1 Geological Survey Party,Henan Bureau of Geology for Exploration and Development of Mineral Resources,Zhengzhou 450072,Henan,5 MCC International Incorporation,Beijing 100028,China)
Abstract:The Yechangping Mo deposit is a porphyry-skarn Mo deposit in the East QinlingDabie orogenic belt.Its ore-hosting wall rock is chert banded dolomite belonging to Longjiayuan Formation of Middle Proterozoic Guandaokou Group,its main ore types are veinlets,stockworks,disseminations and banding,and its major wall rock alterations include diopsidization,phlogopitization,talcization,chloritization,serpentinization,silicification,potassic alteration and carbonation.Five molybdenum-bearing samples were selected for...
Keywords:geochemistry  Re-Os dating  porphyry-skarn Mo deposit  Yechangping  west Henan Province
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