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有色金属(矿山部分):2019,71(6):37-42
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西昆仑布伦口地区铁铜金矿床成矿规律 及找矿潜力分析
((汉中西北有色七一一总队有限公司,陕西 汉中723000))
Metallogenic regularity and prospecting potential of iron-copper-gold deposit in Bulunkou area, West Kunlun
((No.711 General Party, Northwest Nonferrous Geological Exploration Co., Ltd., Hanzhong Shaanxi 723000, China))
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中文摘要: 布伦口地区大地构造位置处于甜水海地体,属于布伦口—桑株塔格铁铜金成矿带。区内已发现20多处铁—铜—金矿床及矿化点,显示出巨大的找矿潜力。矿床赋存于碳酸盐岩建造内,后期受构造热液叠加改造,为沉积变质加后期热液改造型层控矿床。矿床整体上体现出地层含矿、构造控矿、热液改造及多期成矿的特点。通过对区内地层、构造、岩浆活动、矿体特征的综合分析,并类比典型矿床,总结成矿规律,分析找矿潜力,提出层位岩性、地质构造、热液蚀变及化探异常等找矿标志,初步认为本区具有寻找大型接触交代型、岩浆热液型铜矿床和超大型沉积改造型铁矿床的良好前景。
Abstract:The geotectonic location of the Bulunkou area is located in the Tianshuihai terrain, belonging to the Bulunkou-Sangzhutage Iron-copper-gold Metallogenic belt. More than 20 Iron-copper-gold deposits and mineralization sites have been discovered in the area, showing great potential for prospecting. The deposit occurs in the carbonate rock formation, and is later superimposed by structural hydrothermal fluid. It is a sedimentary metamorphic and late hydrothermal reformed layered deposit. The deposit as a whole reflects the characteristics of strata mineralization, structural ore-control, hydrothermal reform and multi-stage mineralization. In this paper, based on the comprehensive analysis of strata, structures, magmatic activities and orebody characteristics in the area, and by analogy with typical deposits, the metallogenic regularity was summarized and prospecting potential was analyzed, andprospecting indicators were proposed, including strata lithology, geological structure, hydrothermal alteration and geochemical anomalies. Based on the above results, it can preliminarily believe that this area has good prospects for finding large contact metasomatic, magmatic hydrothermal copper deposit and oversized sedimentary modified iron deposit.
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基金项目:中国地质调查局地质调查项目“西昆仑铁铅锌资源基地调查与勘查示范(DD20160015)
引用文本:
王钊飞.西昆仑布伦口地区铁铜金矿床成矿规律 及找矿潜力分析[J].有色金属(矿山部分),2019,71(6):37-42.
WANG Zhaofei.Metallogenic regularity and prospecting potential of iron-copper-gold deposit in Bulunkou area, West Kunlun[J].NONFERROUS METALS(Mining Section),2019,71(6):37-42.

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