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综合物化探方法在大理笔架山金矿区的找矿应用 被引量:3

Application of Comprehensive Geophysical and Geochemical Prospecting Methods in the Bijiashan Gold Deposit,Dali County,Yunnan Province,China
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摘要 大理笔架山金矿区位于藏滇地槽褶皱系与扬子准地台的交接地带,处于红河断裂和程海断裂之间呈倒三角形分布的地段上,这些部位容易形成一系列裂隙及微裂隙,为成矿物质富集的有利场所。矿区共有5种金矿化类型,采用单一的地质找矿方法难以准确反映本区的各类型矿床特征,特别是隐伏的与斑岩有关的金矿床。本文介绍了在矿区开展的物化探综合找矿工作,取得了较好的找矿效果,初步建立起本区物化探找金矿模式。 Bijiashan gold deposit lies in the transition zone of Tibet-Yunnan geosynclinals fold system and Yangtze paraplatform and is located in the inverted triangular lot between the Red River fault and the Chenghai fault. These parts are easy to form a series of fractures and micro-fractures, becoming favourable places for mineral enrichment. There are 5 types of gold mineralization in this deposit, so it is difficult to accurately reflect the various types of deposit characteristics with a single geological prospecting method, especially the gold deposit related to porphyry concealed. This paper describes integrated geophysical and geochemical prospecting in this deposit with a better prospecting results. Initial Establishing Geophysical and geochemical models for exploration of gold deposit in this deposit was also reported.
出处 《矿物学报》 CAS CSCD 北大核心 2013年第4期561-565,共5页 Acta Mineralogica Sinica
基金 中国科学院地球化学研究所与云南省有色地质局科研合作项目
关键词 综合物化探 斑岩 金矿床 找矿模式 大理笔架山 geophysical and geochemical exploration porphyry gold deposit prospecting model Dali Bijiashan
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