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四川省峨边县杨河铅锌矿床地质特征分析及成因探讨

Geological Features and Ore Gensis for the Langhe Pb-Zn Deposit in E'bian of Sichuan Province
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摘要 四川省峨边县杨河铅锌矿床位于扬子地台西缘,康滇地轴东部边缘与龙门山断裂带交汇地区,属于四川峨边-马边成矿带。通过对该矿区地质概况、矿床特征、主要控矿因素等进行综合分析,认为矿体主要赋存于寒武系下统麦地坪组白云岩之中,受层位控制。通过对矿床成因的探讨,认为该矿床经历了沉积期富集,成岩期成矿,后期地壳运动热液侵入使其改造三个阶段。 The Mississippi Valley - type lead - zinc deposit at Yanghe, E’ bian county, Sichuan province is distributed in the intersection of the east edge of Yangtze Platform, the east edge of Kangdian Axis and Longmenshan Fault zone. It belongs to the E'bian - Mabian Metallogenic Belt. Through a comprehensive analysis of the mining geology, deposit characteristics, metallogenic geological conditions and the main ore - controlling factors, the main ore body is considered in dolomite of the Maidiping Formation of lower Cambrian, which is mainly controlled by layers. Through the discussion of genesis, mineralizing materials of the deposit are considered having been experienced three stages of transformation, which were deposition of enrichment, diagenetic mineralization and hydrothermal intrusion in late crustal movement.
出处 《四川建材》 2014年第3期265-267,共3页 Sichuan Building Materials
关键词 铅锌矿 白云岩 峨边 成因探讨 lead - zinc deposit dolomite E′bian the discussion of genesis
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参考文献4

  • 1杨应选 柯成熙 林方成.康滇地轴东缘铅锌矿床成因及成矿规律[M].成都:四川科技出版社,1994.1-175.
  • 2方成.扬子地台西缘铅锌矿床成因类型及成矿演化[M].北京:科技出版社,2004.
  • 3四川省地质调查院.四川省铅锌矿资源潜力评价成果报告[R].成都:四川省地质调查院,2010.
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