北山及其相邻地区主要矿床类型、找矿新进展及方向
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本文为中国地质调查局中国矿产地质志项目(编号DD20160346,DD20190379)、中央级公益性科研院所基本科研业务费项目 (编号JYYWF20183701,JYYWF20183704)和甘肃省大旗山铅锌矿普查项目(编号202004- D01)联合资助的成果。


Main deposit types, new developments and new directions of prospecting in Beishan region and its adjacent areas
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    摘要:

    北山是我国西北重要的成矿带,该成矿带矿种丰富,矿床类型多样,矿床规模大,具有重要的经济价值和科学研究意义。本文在系统总结北山成矿带区域地质背景、主要金属矿床类型以及代表性矿床成矿地质特征的基础上,较为全面地综述了北山地区近年来找矿勘查的新成果。在矿种和矿床类型方面,提出铜、铁、金、铅锌等是有潜力的矿种及岩浆型、斑岩型、喷流- 沉积型、陆相火山- 次火山热液型等为优势矿床类型;在成矿时代上,提出除华力西期外,还应加强印支期、燕山期等成矿时代矿床的找矿工作;在找矿思路上,提出将找大型以上规模矿床、找高经济效益矿床作为北山地区找矿工作的重中之重,就矿找矿、攻深找盲是北山地区重要的找矿方向。

    Abstract:

    Beishan is an important metallogenic belt in Northwest China with the characteristics of being rich in mineral types, diverse deposit types and large scale deposits and it has important economic value and scientific research significance. On the basis of systematically summarizing the regional geological background, main metal deposit types and metallogenic geological characteristics of important deposits, this paper comprehensively summarizes the new breakthroughs of prospecting and exploration in Beishan area in recent years. In terms of minerals and deposit types, it is proposed that Cu, Fe, Au, Pb and Zn are potential minerals and magmatic type, porphyry type, exhalaive sedimentary type and continental volcanic- subvolcanic hydrothermal type are dominant deposit types. In terms of metallogenic age, it is proposed that in addition to Variscan, attention should also be paid to Indosinian and Yanshanian mineralization and prospecting. It is proposed to take the prospecting of large and super- large deposits and high- economical deposits as the priority of the prospecting in Beishan area. The important prospecting direction in Beishan area is to focus on prospecting around and in the deep of the old mines.

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江彪,王登红,马玉波,蒲秀浪,刘建宏,樊新祥,赵吉昌,叶红刚,胡小春,陈晔,徐沛斌,范宗福.2022.北山及其相邻地区主要矿床类型、找矿新进展及方向[J].地质学报,96(6):2206-2216.
Jiang Biao, Wang Denghong, Ma Yubo, Pu Xiulang, Liu Jianhong, Fan Xinxiang, Zhao Jichang, Ye Honggang, Hu Xiaochun, Chen Ye, Xu Peibin, Fan Zongfu.2022. Main deposit types, new developments and new directions of prospecting in Beishan region and its adjacent areas[J]. Acta Geologica Sinica,96(6):2206-2216.

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  • 收稿日期:2021-02-03
  • 最后修改日期:2021-12-23
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  • 在线发布日期: 2022-06-27
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