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Chaganbulagen Ag-Pb-Zn deposit, Jiawula Ag-polymetallic ore field, New Barag Right Banner (Xin Barag Youqi), Hulunbuir League (Hulunbei'er Prefecture), Inner Mongolia Autonomous Region, China

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Name(s) in local language(s): 查干布拉根银铅锌矿, 甲乌拉银多金属矿田, 新巴尔虎右旗, 呼伦贝尔市, 内蒙古自治区, 中国
Large-scale epithermal vein deposit, located west of the NE-striking deep-seated Deerbugan fault zone. The deposit is controlled by the large NWW-trending Jiawula-Chaganbulagen fracture zone. The igneous intrusives are mainly late Yanshannian porphyries, consisting of quartz porphyry, feldspathic porphyry, monzonitic porphyry and granodioritic porphyry. Their whole rock K-Ar ages are 131.6-144.78 Ma. The ore-hosting rocks are mainly those of the late Permian Laorongtou formation: intermediate-basic volcanic rocks, sandy conglomerates, slate and rhyolite, etc. The ore-hosting fracture zone is more than 3000m long and 50-150m wide, with a strike of 280-290° and a SW dip of 40-60°. Five orebodies have been discovered. The main wallrock alterations are silicification, chloritization, epidotization, illitization, sericitization, carbonation etc.

Mineral List

11 entries listed. 7 valid minerals.

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Zulong Yang, Dequan Zhang, Jinwen Li, Hongquan She, Chengyou Feng, and Yingjun Dong (2009): Ore-forming types, metallogenic zoning and potential prospecting areas in southwestern sector of Deerbugan metallogenic belt. Mineral Deposits 28(1), 53-62 (in Chinese with English abstract).

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