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Biotite from
Bayan Khoshuu Complex, Mandal-Ovoo District, Ömnögovi Province, Mongolia


Locality type:Complex
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:145 Ma
Minimum recorded age:143 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
1145 to 143 MaEarly/Lower Cretaceous - K-Ar
Sample references:
1 -
Gerel, O., Munkhtsengel, B., Enkhtuvshin, H. & Iizumi, S. 2005. Mushgai Khudag and Bayan Khoshuu volcanic-plutonic alkaline complexes with REE
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Bayan Khoshuu Complex, Mandal-Ovoo District, Ömnögovi Province, Mongolia
Data Identifiers
Mindat Occurrence Record ID:1352681
Long-form Identifier:1:3:1352681:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
32.4km (20.1 miles) ⓘNorthwestern Mandal-Obo Volcanic field, Mandal-Ovoo District, Ömnögovi Province, Mongolia
References
Gerel, O., Munkhtsengel, B., Enkhtuvshin, H. & Iizumi, S. 2005. Mushgai Khudag and Bayan Khoshuu volcanic-plutonic alkaline complexes with REE±Ta, Nb, Fe carbonatite mineralization.
 
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