Shuangjianzishan Ore Block, Shuangjianzishan Ag-polymetallic deposit, Bairin Left Banner (Balin Zuoqi), Chifeng City (Ulanhad League; Chifeng Prefecture), Inner Mongolia, Chinai
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Latitude & Longitude (WGS84):
43° 30' 29'' North , 119° 5' 59'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
However, only 4 industrial orebodies, including 1 medium-sized and 3 small-sized orebodies, have been delineated in the Shuangjianzishan ore block.
The exposed strata in the Shuangjianzishan ore block include the Lower–Middle Permian Dashizhai Formation and Upper Jurassic Manketouebo Formation. The ore block is located within a Yanshanian volcanic edifice, and no intrusives are exposed. The orebodies are controlled by two sets of NW- and NE-trending faults, which belong to the derived structures of the volcanic edifice. The NW-trending faults dip to NE at approximately 50°, and NE-trending faults dip to SE at 57°–61°. The NW-trending #501 orebody is the largest in the Shuangjianzishan ore block. Its ore-hosting rocks consist of andesitic tuff, breccia tuff, altered andesite, and argillaceous slate. The orebody is 332 m long, with an inclined depth of 240 m and a thickness of 4.88 m. Its average grades are 99 g/t Ag, 1.0% Pb, and 0.8% Zn, respectively.
Commodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Rock Types Recorded
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Other Regions, Features and Areas containing this locality
Amur PlateTectonic Plate
AsiaContinent
China
- Da Hinggan Mountains Li Mineral BeltMineral Belt
- Inner Mongolia
- Southern Great Xing’an RangeMineral Belt
- Tianshan areaMineral Belt
- Southern Great Xing’an RangeMineral Belt
Eurasian Plate
- Bainaimiao-Ondor Sum BeltOrogenic Belt
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References
[1]Shi, Jiangpeng, Wu, Guang, Chen, Gongzheng, Yang, Fei, Zhang, Tong, Jiang, Biao, Liu, Wenyuan (2024) Genesis of the Supergiant Shuangjianzishan Ag–Pb–Zn Deposit in the Southern Great Xing’an Range, NE China: Constraints from Geochronology, Isotope Geochemistry, and Fluid Inclusion. Minerals, 14 (1) doi:10.3390/min14010060
