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Biotite from
Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China


Locality type:Ore Field
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Age information
Maximum recorded age:83.7 Ma
Minimum recorded age:75 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
175 MaLate/Upper Cretaceous - K-Ar
283.7 MaLate/Upper Cretaceous - K-Ar
383.7 to 75 MaLate/Upper Cretaceous - K-Ar
Sample references:
1 -
Xu, K., & Tu, G. (Eds.). (1984). Geology of Granites and Their Metallogenetic Relations: Proceedings of the International Symposium Held at Nanjing University, Nanjing, China, October 26-30, 1932. Science press, 33-54
2 -
Xu, K., & Tu, G. (Eds.). (1984). Geology of Granites and Their Metallogenetic Relations: Proceedings of the International Symposium Held at Nanjing University, Nanjing, China, October 26-30, 1932. Science press, 33-54
3 -
Zhongxin, Y. U. A. N., & Ge, B. A. I. (1998). Spatial Distribution and Ages of Alkaline Intrusive Rocks in China and Related Tectonics. Acta Geologica Sinica?English Edition, 72(4), 363-381.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
Data Identifiers
Mindat Occurrence Record ID:1329639
Long-form Identifier:1:3:1329639:7
GUID (UUID V4):0
Localities for Biotite in this Region
Gaosong deposit, Gaosong ore field, Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
Kafang ore field, Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
Laochang ore field (Laochang Mine), Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
Tangziwa deposit, Laochang ore field (Laochang Mine), Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
Xi’ao Cu-Sn polymetallic deposit, Laochang ore field (Laochang Mine), Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
Zhuyeshan deposit, Laochang ore field (Laochang Mine), Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
Longchahe pluton, Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
Malage ore field, Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
Songshujiao ore field, Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
Nearest other occurrences of Biotite
6.5km (4.1 miles) ⓘLongchahe pluton, Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
15.1km (9.4 miles) ⓘPuxiong regolith-hosted REE deposit, Puxiong, Jianshui County, Honghe, Yunnan, China
19.9km (12.4 miles) ⓘMalage ore field, Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
20.9km (13.0 miles) ⓘGaosong deposit, Gaosong ore field, Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
21.2km (13.2 miles) ⓘKafang ore field, Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
22.1km (13.8 miles) ⓘLaochang ore field (Laochang Mine), Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
22.2km (13.8 miles) ⓘHonghe REE deposit, Gejiu City, Honghe, Yunnan, China
22.4km (13.9 miles) ⓘZhuyeshan deposit, Laochang ore field (Laochang Mine), Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
27.8km (17.3 miles) ⓘTangziwa deposit, Laochang ore field (Laochang Mine), Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
36.9km (23.0 miles) ⓘSongshujiao ore field, Gejiu Sn-polymetallic ore field, Gejiu City, Honghe, Yunnan, China
References
Xu, K., & Tu, G. (Eds.). (1984). Geology of Granites and Their Metallogenetic Relations: Proceedings of the International Symposium Held at Nanjing University, Nanjing, China, October 26-30, 1932. Science press, 33-54
Xu, R., Romer, R. L., Kroner, U., & Deng, J. (2022). Tectonic control on the spatial distribution of Sn mineralization in the Gejiu Sn district, China. Ore Geology Reviews, 148, 105004.
 
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