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Potassic-ferro-ferri-taramite from
Nkonglong occurrence, Lokoundjé, Océan, South Region, Cameroon


Locality type:Occurrence
Classification
Species:Potassic-ferro-ferri-taramite
Formula:K(CaNa)(Fe32+Fe23+)(Al2Si6O22)(OH)2
Chemical Analyses:
Oxide wt%:
1
SiO236.70 %
Al2O313.20 %
Fe2O315.80 %
FeO16.67 %
MgO0.30 %
MnO1.35 %
CaO5.70 %
Na2O5.00 %
K2O2.80 %
TiO21.60 %
F0.15 %
Cl0.01 %
Total:99.28 %
Sample references:
1 -
Kornprobst, J., Cantagrel, J. M., Fabriès, 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.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Potassic-ferro-ferri-taramite data
Locality Data:Click here to view Nkonglong occurrence, Lokoundjé, Océan, South Region, Cameroon
Data Identifiers
Mindat Occurrence Record ID:1422924
Long-form Identifier:1:3:1422924:0
GUID (UUID V4):0
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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