大兴安岭Cu- Mo- Ag多金属成矿带主要地质成矿特征及潜力分析
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Geological Characteristics and Mineral Resource Potential of the Cu- Mo- Ag Metallogenic Belt in Daxinganling Mountains
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    摘要:

    大兴安岭成矿带是2008年确定的首批16个重要成矿带之一,随着新的找矿进展和预测成果不断涌现,需要对其开展新一轮研究总结。本文以新的研究成果和找矿突破为基础,通过综合分析,重新厘定大兴安岭成矿带的边界并将其命名为“大兴安岭Cu- Mo- Ag多金属成矿带”。结合区域成矿地质背景的综合研究,在区内划分了5个III级成矿带,初步建立了Cu- Mo- Ag多金属成矿带成矿谱系,并将其主要成矿期归纳为两期:海西期和燕山期;在典型矿床成矿地质特征及潜力评价综合分析的基础上,总结了研究区主要成矿类型为热液型银铅锌矿、斑岩型铜钼矿和接触交代型铁锡多金属矿。结合区域找矿进展和潜力评价最新成果,认为本区Cu、Mo、Ag、Sn、Pb、Zn潜力巨大,为下一步勘查部署的主攻矿种,同时在本区划分了16个远景区,其中10个为重点远景区,6个为远景调查区,对研究区下一步矿产勘查部署工作有一定指导意义。

    Abstract:

    The Daxin’anling metallogenic belt, which is one of the 16 important metallogenic belts first specified in 2008, calls for new research about the metallogenetic potentiality and boundary delimitation based on the new prospecting progress and assessment results. Combined with the latest research results, this paper modified the boundary and proposed the suggestion on exploration deployment through comprehensive analysis and named the new belt: Daxin’anling Cu- Mo- Ag metallogenic belt. On the basis of regional geology setting and previous work, we divided the study area into five sub level belts, and preliminarily established the metallogenic linage of this metallogenic belt, and summed the metallogenic epoch into two stages: Hercynian and Yanshanian. The main metallogenic types in study area are: hydrothermal Ag- Pb- Zn deposits, porphyry Cu- Mo deposits, contact metasomatism Fe Sn multi metal deposits, with Cu, Mo, Ag, Sn, Pb, Zn as the focus minerals in the next step research in study area. Bedides, 16 prospect areas in the Daxin’s anling Cu- Mo- Ag metallogenic belt were defined, including 10 of key areas and six of average areas, and this work may guide the next Exploration deployment work effectively.

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马玉波,邢树文,肖克炎,张彤,田放,丁建华,张勇,马路阔.2016.大兴安岭Cu- Mo- Ag多金属成矿带主要地质成矿特征及潜力分析[J].地质学报,90(7):1316-1333.
MA Yubo, XING Shuwen, XIAO Keyan, ZHANG Tong, TIAN Fang, DING Jianhua, ZHANG Yong, MA Lukuo.2016. Geological Characteristics and Mineral Resource Potential of the Cu- Mo- Ag Metallogenic Belt in Daxinganling Mountains[J]. Acta Geologica Sinica,90(7):1316-1333.

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  • 在线发布日期: 2016-07-27