| 栾川县罗村钼矿成矿地质背景和矿床特征 |
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| 引用本文： | 张自森.栾川县罗村钼矿成矿地质背景和矿床特征[J].西北地质,2011,44(4):67-74. |
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| 作者姓名： | 张自森 |
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| 作者单位： | 河南省有色金属地质矿产局第五地质大队,河南郑州,450016 |
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| 基金项目： | 国家财政补贴项目(编号:2004-100036) |
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| 摘 要： | 栾川县罗村钼矿为豫西东秦岭钼成矿带的重要组成部分,地处华北地台-华熊台缘坳陷-卢氏至栾川陷褶束内.区内太华群变质岩和熊耳群火山岩广泛发育,构造活动强烈,岩浆活动频繁,成矿地质条件有利.通过对矿区地质及矿床地质特征的分析,认为罗村斑岩体由中心细粒花岗斑岩、中环带角砾岩和外环带花岗闪长岩组成,罗村钼矿主要位于中环带角砾岩中.通过综合分析,认为罗村钼矿床形成于燕山中-晚期,陆内造山俯冲作用导致下地壳熔融与地幔楔分熔,形成富钼熔浆.其沿黑沟-栾川断裂带多次上侵,在罗村附近形成斑岩体.晚期岩浆期后热液对中环带角砾岩进行充填和交代,形成斑(角砾)岩型罗村钼矿床.
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| 关 键 词： | 罗村钼矿床 地质特征 成因 |
Metallogenic Geologic Background and Characteristics of Luocun Molybdenum Deposit in Luanchuan County,Henan Province |
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| ZHANG Zi-sen.Metallogenic Geologic Background and Characteristics of Luocun Molybdenum Deposit in Luanchuan County,Henan Province[J].Northwestern Geology,2011,44(4):67-74. |
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| Authors: | ZHANG Zi-sen |
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| Institution: | ZHANG Zi-sen(No.5 Geological Brigade of Henan Nonferrous Metals Geology and Mineral Resources Bureau,Zhengzhou 450016,China) |
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| Abstract: | Luocun molybdenum deposit of Luanchuan county is an important part of the eastern Qinling molybdenum metallogenic belt in western Henan,it is located on the Lushi-Luanchuan depression folds bundle,that is a part of the Huaxiong margin depression in the North China Platform.The volcanic rocks of the Xiong'er Group and the metamorphic rocks of Taihua Group in the research area distribute extensively.For the intense tectonic movements and frequent magmatic activities,it is considered to be a favorable metallog... |
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| Keywords: | Luocun molybdenum deposit geological characteristics genesis |
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