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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
Ordos Basin, Western Block, North China Craton, Eurasian Plate


Locality type:Basin
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 Ordos Basin, Western Block, North China Craton, Eurasian Plate
Data Identifiers
Mindat Occurrence Record ID:1502788
Long-form Identifier:1:3:1502788:9
GUID (UUID V4):0
References
Xing, En Y., Yong S. Zhang, Mian P. Zheng, Su J. Wu, Bao L. Gui, and Yuan Peng. (2022) "Geochemistry, U-Pb Zircon Ages and Hf Isotopes of Basement Rocks Beneath the Northeastern Margin of the Ordos Basin: Constraints on the Paleoproterozoic Evolution of the Western North China Craton" Minerals 12, no. 7: 865. https://doi.org/10.3390/min12070865
 
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