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Amphibole Supergroup from
Nkonglong occurrence, Lokoundjé, Océan, South Region, Cameroon


Locality type:Occurrence
Classification
Species:'Amphibole Supergroup' (not an IMA approved species)
Formula:AB2C5(T8O22)W2
Age information
Maximum recorded age:529 ± 15 Ma
Minimum recorded age:529 ± 15 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
1529 ± 15 MaTerreneuvian - K-Ar
Sample references:
1 -
Kornprobst, J., Cantagrel, J. M., Fabries, J., Lasserre, M., Rollet, M., & Soba, D. (1976). Existence au Cameroun, d'un magmatisme alcalin panafricain ou plus ancien; la syenite nephelinique a mboziite de Nkonglong; comparaison avec les roches alcalines connues dans la meme region. Bulletin de la Société Géologique de France, 7(5), 1295-1305. doi.org/10.2113/gssgfbull.S7-XVIII.5.1295
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Amphibole Supergroup data
Locality Data:Click here to view Nkonglong occurrence, Lokoundjé, Océan, South Region, Cameroon
Data Identifiers
Mindat Occurrence Record ID:1422914
Long-form Identifier:1:3:1422914:3
GUID (UUID V4):0
Nearest other occurrences of Amphibole Supergroup
21.1km (13.1 miles) ⓘBeio occurrence, Kribi, Océan, South Region, Cameroon
24.4km (15.1 miles) ⓘMamelles Fe deposit, Océan, South Region, Cameroon
48.7km (30.2 miles) ⓘAnyouzok Fe deposit, Akom II, Océan, South Region, Cameroon
49.2km (30.6 miles) ⓘNorthern prospect, Anyouzok Fe deposit, Akom II, Océan, South Region, Cameroon
49.3km (30.6 miles) ⓘMingo’o Fe deposit, Akom II, Océan, South Region, Cameroon
49.5km (30.8 miles) ⓘSouthern prospect, Anyouzok Fe deposit, Akom II, Océan, South Region, Cameroon
72.7km (45.2 miles) ⓘGouap Fe deposit, Bipindi, Océan, South Region, Cameroon
References
la syenite nephelinique a mboziite de Nkonglong
comparaison avec les roches alcalines connues dans la meme region. Bulletin de la Société Géologique de France, 7(5), 1295-1305. doi.org/10.2113/gssgfbull.S7-XVIII.5.1295
Lasserre, M. & Soba, D. 1976. Age liberien des granodiorites et des gneiss a pyroxene du Cameroun meridional. Bulletin du Bureau de Recherches Geologiques et Minieres. Paris, 4, 17-32.
Champetier de Ribes, G., & Reyre, D. (1959). Notice explicative sur la feuille Yaounde-Ouest. Carte géologique de reconnaissance du Cameroun au 1/500000. (O21) Republique du Cameroun. Paris.
Kornprobst, J., Cantagrel, J. M., Fabries, J., Lasserre, M., Rollet, M., & Soba, D. (1976). Existence au Cameroun, d'un magmatisme alcalin panafricain ou plus ancien
 
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