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Biotite from
Golda Zuelva Complex, Far North Region, Cameroon


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:39.6 Ma
Minimum recorded age:39.6 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
139.6 MaEocene - Rb-Sr
Sample references:
1 -
Lasserre, M. (1978). MISE AU POINT SUR LES GRANITOIDES DITS" ULTIMES" DU CAMEROUN: GISEMENT, PETROGRAPHIE ET GEOCHRONOLOGIE. Bulletin du Bureau de Recherches Geologiques et Minieres, Paris, 4, 143-159.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Golda Zuelva Complex, Far North Region, Cameroon
Data Identifiers
Mindat Occurrence Record ID:1421925
Long-form Identifier:1:3:1421925:2
GUID (UUID V4):0
Nearest other occurrences of Biotite
73.3km (45.5 miles) ⓘKapsikis Plateau, Far North Region, Cameroon
References
 
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