纳雍枝铅锌矿床──贵州第一个大型铅锌矿床的发现和探明过程
The Nayongzhi Pb-Zn deposit: Discovery and exploration processes of the first large-scale Pb-Zn deposit in Guizhou Province, China
查看参考文献20篇
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文摘
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纳雍枝铅锌矿床,位于贵州省中部普定县与织金县交界的五指山背斜南东翼,由北东向南西设置玉合、芦茅林、金坡和砂岩共4个矿权,2012-2015年4个矿权通过评审备案Pb+Zn资源量分别为35.29万t、37.79万t、44.49万t和53.29万t,总计170.86万t,是贵州省境内发现的第一个大型铅锌矿床,改写了贵州省没有大型铅锌矿床的历史。矿床从发现矿化线索到探明大体经历了3个阶段:第一,地表调查,发现矿化线索;第二,地质测量、面上矿点调查、工程验证发现断裂型小矿体;第三,转变找矿思路,探明了全隐伏、产出稳定、规模大的层控铅锌矿体。本文在总结纳雍枝大型铅锌矿床成矿背景和地质特征基础上,详细介绍了该矿床的发现过程、总结了找矿过程中的经验教训。 |
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其他语种文摘
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The Nayongzhi Pb-Zn deposit, located at the southeastern Wuzhishan anticline in the junction between the Puding and Zhijin counties in the central Guizhou, are composed of the Yuhe, Lumaolin, Jinpo, and Shayan 4 exploration licenses from northeast to southwest, with proved contained Pb+Zn metal reserves of 35.29×10~4 tons, 377.9×10~4 tons, 44.49×10~4 tons, and 53.29×10~4 tons, respectively, and the total Pb+Zn resource of 170.86×10~4 tons for the deposit in 2015. It is the first discovered large sized Pb-Zn deposit in Guizhou Province. Its discovery has changed the mineral exploration history of no large sized Pb-Zn deposit discovered in Guizhou Province. This study concludes the ore-forming background and geologic feature of Nayongzhi Pb-Zn deposit, introduces The discovery and exploration process of the Pb-Zn deposit can be divided to three partsand summarizes the experience of the process. The exploration process from the discovery of Pb-Zn mineralization clues to the proved contained Pb-Zn metal reserves of the Nayongzhi deposit has lasted three periods. The exploration work of the first period was mainly focused on the surface survey to discover the mineralization clues. The exploration work of the second period includes geologic survey, investigation of mineral occurrences in area and the engineering verification for discovering small fault-hosted orebodies. The exploration work of the third period was focused on the exploration of totally concealed, stably occurred, large-scaled, stratabound Pb-Zn orebodies after the change of exploration ideas. Based on the summary of metallogenic background and geological characteristics of the Nayongzhi large scaled Pb-Zn deposit, in this paper, we have introduced the discovery process of the deposit and summarized the experiences and lessons in the process of exploration of the deposit. |
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来源
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矿物学报
,2020,40(4):518-522 【核心库】
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DOI
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10.16461/j.cnki.1000-4734.2020.40.030
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关键词
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五指山背斜
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纳雍枝大型铅锌矿床
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发现过程
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中国贵州
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地址
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1.
贵州省有色金属和核工业地质勘查局一总队, 贵州, 贵阳, 551400
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贵州省有色金属和核工业地质勘查局, 贵州, 贵阳, 550005
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中国科学院地球化学研究所, 矿床地球化学国家重点实验室, 贵州, 贵阳, 550081
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云南罗平锌电股份有限公司, 云南, 罗平, 655800
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贵州省地质矿产勘查开发局一〇四地质大队, 贵州, 都匀, 558000
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-4734 |
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学科
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地质学 |
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基金
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国家自然科学基金项目
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文献收藏号
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CSCD:6778292
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