大兴安岭成矿带北段区域地球化学背景与成矿带划分
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Geochemical background and division of metallogenic belt in north Da Hinggan Mountain
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    摘要:

    大兴安岭成矿带是中国最重要的有色金属成矿带之一,资源潜力巨大,其北段是中国除新疆以外唯一存在地质空白的地区,矿产勘查与研究程度低。笔者通过对其区域地球化学场特征、大中型内生金属矿床分布规律、区域控矿地质条件的研究,初步认为本区优势内生金属矿产是钼矿、银铅锌矿,其次是金矿和铜矿,潜力矿种是铀矿;以德尔布干、鄂伦春-伊尔施两条深断裂为界,其两侧地球化学背景、成矿环境、矿种及成矿类型差异很大,并将大兴安岭成矿带北段划分为:德尔布干Ⅲ1、大兴安岭西坡Ⅲ2、嫩江Ⅲ3等3个Ⅲ级成矿亚带10个Ⅳ级成矿区。

    Abstract:

    The Da Hinggan Mountain metallogenic belt is one of most important nonferrous metal metallogenic belt in China, the resources potential is huge. The northern Da Hinggan Mountain area is the geological work blank area except for Xinjiang, the mineral exploration and research level is very low. This paper summarizes the regional geochemical field characteristics, the large and medium-sized endogenous metal deposit distribution and regional geological condition in north Da Hinggan mountain area. The preliminary research indicate that advantages endogenous metal mineral is Molybdenum, Ag-Pb-Zn deposits, followed by gold and copper deposits, the potential for minerals uranium. In two sides of Derbugan fault, Elunchun-Yiershi deep fault, there are bigger various in geochemical backgrounds, metallogenic environment, minerals and mineralization types. The north Da Hinggan metallogenic belt is divided into: Derbugan, the Da Hinggan mountain West slope, Lengjiang, three third order metallogenic belts and ten fourth order metallogenic area.

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赵丕忠.2014.大兴安岭成矿带北段区域地球化学背景与成矿带划分[J].地质学报,88(1):99-108.
Zhao Pizhong.2014. Geochemical background and division of metallogenic belt in north Da Hinggan Mountain[J]. Acta Geologica Sinica,88(1):99-108.

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  • 收稿日期:2013-04-07
  • 最后修改日期:2013-09-04
  • 录用日期:2013-09-09
  • 在线发布日期: 2014-01-24
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