文章摘要
杨新雨,申萍,刘方方,樊学宁.智利科皮亚波多铎金铜矿岩石地球化学特征及找矿分析[J].矿产勘查,2021,12(1):78-85
智利科皮亚波多铎金铜矿岩石地球化学特征及找矿分析
Geological characteristics and prospecting criteria of Copiapo Duoduo gold copper deposit in Chile
投稿时间:2020-07-09  
DOI:
中文关键词: 金铜矿  地球化学  找矿方向  多铎  智利
英文关键词: gold copper deposit,geochemistry, prospecting direction,Duoduo,Chile
基金项目:
作者单位
杨新雨 中色地科矿产勘查股份有限公司,北京 100012 
申萍 中国科学院地质与地球物理研究所,北京 100029 
刘方方 中国黄金集团地质有限公司,北京 100012 
樊学宁 中色地科矿产勘查股份有限公司,北京 100012 
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中文摘要:
      多铎金铜矿位于智利著名的白垩纪斑岩铜矿带上,同时属于前海岸山IOCG成矿带,矿区周边分布着多个大型的斑岩型和IOCG铜矿、铜金和铁矿矿床。文章通过综合研究岩石中元素的地球化学分布特征,分析岩石元素含量,对元素的物质性质进行判断、分析岩石元素富集离散等特征,总结矿区的矿床成因,地球化学特征显示矿区构造环境为岛弧环境,矿床成因与闪长岩关系密切,同时矿区基性火山岩和脉岩属于钙碱性系列,区域上有利于形成斑岩铜矿,矿区成矿潜力巨大。
英文摘要:
      The Duduo gold-copper deposit is located on Chile's famous Cretaceous porphyry copper belt, and is also part of the IOCG metallogenic belt of the Foreshore Mountains. There are multiple large-scale porphyry-type and IOCG copper deposits, copper-gold, and iron deposits around the mining area . Based on the comprehensive study of geochemical distribution characteristics of elements in rocks, the content of elements in rocks is analyzed, the material properties of elements are judged, and the characteristics of enrichment and dispersion of rock elements are analyzed. The genesis of the deposit is summarized. The geochemical characteristics show that the tectonic environment of the mining area is island arc environment, and the genesis of the deposit is closely related to diorite. At the same time, the basic volcanic rocks and dikes in the mining area belong to The calc alkaline series are favorable to the formation of porphyry copper deposits regionally, and the ore-forming potential of the mining area is huge.
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