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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Biotite from
Sansheng W-Mo deposit, Huade County, Ulanqab City (Wulanchabu Prefecture), Inner Mongolia, China


Locality type:Deposit
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Sansheng W-Mo deposit, Huade County, Ulanqab City (Wulanchabu Prefecture), Inner Mongolia, China
Data Identifiers
Mindat Occurrence Record ID:1502447
Long-form Identifier:1:3:1502447:5
GUID (UUID V4):0
Nearest other occurrences of Biotite
8.2km (5.1 miles) ⓘDongjin intrusion, Kangbao County, Zhangjiakou, Hebei, China
24.2km (15.1 miles) ⓘJiabusi Ta-Nb deposit, Bordered Yellow Banner (Xianghuang Co.), Xilingol League (Xilinguole Prefecture), Inner Mongolia, China
34.7km (21.6 miles) ⓘNarenwula W deposit, Bordered Yellow Banner (Xianghuang Co.), Xilingol League (Xilinguole Prefecture), Inner Mongolia, China
68.6km (42.6 miles) ⓘHadamiao Au deposit, Bordered Yellow Banner (Xianghuang Co.), Xilingol League (Xilinguole Prefecture), Inner Mongolia, China
References
Xie, W., Zeng, Q. D., Lan, T. G., Zhou, L. L., Wang, R. L., & Wu, J. J. (2022). Genetic link between the Late Mesozoic granitic magmatism and W mineralization in NE China: Constraints from in-situ U-Pb geochronology and geochemistry of wolframite, and whole-rocks geochemistry analyses of W-bearing granites from the Sansheng W-Mo deposit. Ore Geology Reviews, 144, 104868.
 
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