| 秦岭凤太矿集区铅锌金矿区域成矿规律研究 |
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| 引用本文： | 魏丽,杨文博,马尚伟,徐涛,杨志军.秦岭凤太矿集区铅锌金矿区域成矿规律研究[J].矿产与地质,2021(1):1-8. |
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| 作者姓名： | 魏丽 杨文博 马尚伟 徐涛 杨志军 |
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| 作者单位： | 陕西省地质调查规划研究中心﹝陕西省地质勘查基金中心﹞;丝绸之路地质科学院;中国地质调查局西安地质调查中心 |
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| 基金项目： | 陕西省地质勘查基金项目“秦岭成矿带地质矿产勘查成果集成与选区研究”(编号:61201506280)资助。 |
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| 摘 要： | 陕西秦岭凤太矿集区位于商丹缝合带和勉略缝合带之间,是著名的铅锌金多金属矿集区,区内发育海相沉积改造型铅锌矿和构造蚀变岩型金矿,成矿类型多样。在矿床地质特征、成矿地质条件、铅锌金矿时空分布规律、成矿流体来源研究分析的基础上,对凤太矿集区铅锌金矿成矿规律进行了剖析。认为凤太矿集区铅锌金矿床是多种成矿作用叠加改造形成的,早期泥盆纪热水沉积预富集形成矿胚,晚期印支—燕山期脆韧性变形-岩浆热液作用富集形成工业矿床。
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| 关 键 词： | 陕西凤太矿集区 铅锌矿 金矿 时空分布 成矿规律 |
Research of regional metallogenic regularity of lead-zinc-gold deposits in Fengtai ore concentration area,Qinling |
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| WEI Li,YANG Wenbo,MA Shangwei,XU Tao,YANG Zhijun.Research of regional metallogenic regularity of lead-zinc-gold deposits in Fengtai ore concentration area,Qinling[J].Mineral Resources and Geology,2021(1):1-8. |
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| Authors: | WEI Li YANG Wenbo MA Shangwei XU Tao YANG Zhijun |
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| Institution: | (Shaanxi Center of Geological Survey and Planning Research﹝Shaanxi geological exploration fund center﹞,Xi'an 710068,Shaanxi,China;Academy of Geological Sciences of the Silk Road,Xi'an 710068,Shaanxi,China;Xi'an an Center of Geological Survey,China Geological Survey,Xi'an 710054,Shaanxi,China) |
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| Abstract: | Fengtai ore concentration area in Shaanxi is located between Shangdan suture zone and Mianlue suture zone.It is a famous Pb-Zn-Au polymetallic ore district.There are lead-zinc deposits of marine sedimentary modified type and gold deposits of structural altered rock type in the area.Based on the research of geological characteristics of the deposits,metallogenic geological condition,temporal and spatial distribution of Pb-Zn-Au deposits and the source of ore-forming fluids,the metallogenic regularity of Pb-Zn-Au deposits in Fengtai ore concentration area is analyzed.It is considered that the Pb-Zn-Au deposits in Fengtai ore concentration area are formed by superimposition and transformation of various mineralization processes.The ore embryo is formed by pre-enrichment of Devonian hot water deposition in the early stage,and the industrial deposits are formed by enrichment of Indosinian-Yanshanian brittle ductile deformation and magmatic hydrothermal process in the late stage. |
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| Keywords: | Fengtai ore concentration area in Shaanxi Pb-Zn deposit gold deposit temporal and spatial distribution metallogenic regularity |
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