易门式铜矿床的多因复成成因 |
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引用本文: | 韩润生,刘丛强,孙克祥,马德云,李元.易门式铜矿床的多因复成成因[J].大地构造与成矿学,2000,24(2):144-154. |
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作者姓名: | 韩润生 刘丛强 孙克祥 马德云 李元 |
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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开放室,贵州,贵阳,550002;昆明理工大学,云南,昆明,650093 2. 中国科学院地球化学研究所国家环境地球化学重点开放室,贵州,贵阳,550002 3. 云南地质矿产局地质科学研究所,云南,昆明,650031 4. 昆明理工大学,云南,昆明,650093 |
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基金项目: | 科技部"攀登计划";95-预-39; |
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摘 要: | 本文在概括易门铜矿区成矿地质背景及矿床地质特征的基础上 ,讨论了火山热水沉积作用、构造改造作用、岩浆叠加作用及地下热水再造作用与成矿的关系 ,认为易门式铜矿床为“裂谷成矿背景—火山热水沉积—构造改造富集—深源岩浆叠加—地下热水再造”型多因复成矿床 ,最终建立其成矿模式 ,为今后的找矿预测指明了找矿方向
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关 键 词: | 多因复成矿床 成矿模式 矿床地球化学 易门式铜矿床 |
COMPOSITE POLY-GENESIS OF YIMEN-TYPE COPPER DEPOSITS |
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Abstract: | On the basis of study on metallogenic background and deposit characteristics,the relation of volcanic hydrothermal ore-forming process,tectonic reworking,deep source magmatic superimposition and hot underwater reworking with mineralizatoin has been disscussed in this paper.The genesis of the ore depositscan be explained by such a metallogenetic path as rift arc metallogenic background—volcanic hydrothermal mineralization—tectonic reworking—deep source magmatic superimposition—hot hydrothermal reworking.It is thought that the ore deposits are of composite poly-genesis type,and a metallogenic model has been set up.The direction for metallogenic prognosis in the future has been pointed out. |
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Keywords: | Composite polygenetic ore deposit metallogenic model ore deposit geochemistry Yimen-type copper deposit |
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