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Biotite from
Hossere Poli Complex, 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:38 ± 4 Ma
Minimum recorded age:33 ± 5 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
138 ± 4 to 33 ± 5 MaPaleogene - Rb-Sr
Sample references:
1 -
Lasserre, M. (1966). Confirmation de l'existence d'une série de granites tertiaires au Cameroun (Afrique équatoriale). Bulletin du Bureau de recherches géologiques et minières, (3), 141-148.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Hossere Poli Complex, North Region, Cameroon
Data Identifiers
Mindat Occurrence Record ID:1421983
Long-form Identifier:1:3:1421983:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
4.1km (2.6 miles) ⓘKitongo uranium deposit, North Region, Cameroon
9.4km (5.8 miles) ⓘHossere Tchegui Intrusion, North Region, Cameroon
39.9km (24.8 miles) ⓘBigbal, Gamba, Tcholliré, Mayo-Rey, North Region, Cameroon
40.4km (25.1 miles) ⓘMayo Salah, Gamba, Tcholliré, Mayo-Rey, North Region, Cameroon
40.4km (25.1 miles) ⓘHossere Nyore Granite Intrusion, North Region, Cameroon
44.5km (27.6 miles) ⓘMount Bollo, North Region, Cameroon
46.7km (29.0 miles) ⓘMayo Salah pluton, Tcholliré, Mayo-Rey, North Region, Cameroon
49.3km (30.6 miles) ⓘDjaba, Gamba, Tcholliré, Mayo-Rey, North Region, Cameroon
78.2km (48.6 miles) ⓘGoroua Group of Plugs, Bénoué, North Region, Cameroon
80.4km (50.0 miles) ⓘKokoumi, Ngong, Bénoué, North Region, Cameroon
References
Lasserre, M. (1966). Confirmation de l'existence d'une série de granites tertiaires au Cameroun (Afrique équatoriale). Bulletin du Bureau de recherches géologiques et minières, (3), 141-148.
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.
Cantagrel, J. M., Jamond, C. & Lasserre, M. (1978). LE MAGMATISME ALCALIN DE LA LIGNE DU CAMEROUN AU TERTIAIRE INFERIEUR: DONNEES GEOCHRONOLOGIQUES K/AR. Bulletin de la Societe Geologique de France Compte Rendu Sommaire des Seances, 20, 300-303.
 
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