Geological characteristics and metallogenic potential of Bandaoshan gold-antimony ore area in Ejina Banner of Inner Mongolia
HAO Zhihui1, HU Erhong2, ZHANG Shanming2,3, WANG Yuefei2, ZHANG Kejian2, DENG Xiaoning2, WANG Jiang2, SU Haixia4, DING Yusheng1, LI Wen2
1. Ordos Geological Survey and Monitoring Institute, Inner Mongolia Ordos 017000, China; 2. Inner Mongolia No.8 Geological and Mineral Exploration and Development Co., Ltd, Inner Mongolia Wuhai 016000, China; 3. School of Earth Sciences and Resources, China University of Geosciences (Beijing), Beijing 100083, China; 4. Ordos Natural Resources Bureau, Inner Mongolia Ordos 017000, China
Abstract：The Bandaoshan gold-antimony ore area in Ejina Banner of Inner Mongolia is located in the southern belt of Beishan metallogenic belt, with the medium-large gold deposits metallogenic potential from macroscopic scale. The source bed of the gold-antimony deposit in Bandaoshan is identified as metamorphic rock series of the Lower Lithologic Formation of the Gudongjing Group in Changchengian System, using the comprehensive prospecting method of geology, geophysics and geochemistry. The ore bodies are distributed in the alteration zone controlled by the brittle ductile structure, with fully developed quartz veinlets or veins. The gold is further enriched and mineralized by the superimposition of deformation and metamorphism in the later stage, which shows typical characteristics of orogenic type gold ore and great metallogenic potential. The research of metallogenic characteristics in this area would provide guides on the next prospecting direction, and references for the exploration of mine-rals with the same type in the ductile shear zone of the southern Beishan belt.
郝智慧, 胡二红, 张善明, 王跃飞, 张克俭, 邓晓宁, 王江, 苏海霞, 丁禹升, 李文. 内蒙古额济纳旗半岛山金锑矿区地质特征及成矿潜力[J]. 中国地质调查, 2022, 9(1): 41-53.
HAO Zhihui, HU Erhong, ZHANG Shanming, WANG Yuefei, ZHANG Kejian, DENG Xiaoning, WANG Jiang, SU Haixia, DING Yusheng, LI Wen. Geological characteristics and metallogenic potential of Bandaoshan gold-antimony ore area in Ejina Banner of Inner Mongolia. , 2022, 9(1): 41-53.
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