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Nephelinite from
Mount Etinde, Buea, Fako, Southwest Region, Cameroon


Locality type:Volcano
Classification
Type:Nephelinite
Age information
Maximum recorded age:0.082 ± 0.3 Ma
Minimum recorded age:0.065 ± 0.1 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
10.082 ± 0.3 to 0.065 ± 0.1 MaPleistocene - K-Ar
Sample references:
1 -
Fitton & Dunlop 1985; Fitton 1987
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Nephelinite data
Locality Data:Click here to view Mount Etinde, Buea, Fako, Southwest Region, Cameroon
Data Identifiers
Mindat Occurrence Record ID:1209365
Long-form Identifier:1:3:1209365:0
GUID (UUID V4):0
References
doi.org/10.1017/S0016756800064128
Lacroix, Alfred (1923) Minéralogie de Madagascar Tome III - Lithologie Appendice - Index Geographique. Société d'Éditions Géographiques, Maritimes et Coloniales. 450 pp.
Gèze, B. (1943). Géographie physique et géologie du Cameroun occidental (Vol. 17). Éditions du Muséum, 1-271.
Jérémine, E. (1943). Contribution à l'étude pétrographique du Cameroun Occidental. In: Memoires du Museum National d'Histoire Naturelle. Paris, NS, 17, 273-320.
Smith, A. L. (1970) Sphene, perovskite and coexisting Fe-Ti oxide minerals. American Mineralogist, 55 (1-2) 264-269
Fitton, J. G., Hughes, D. J. (1981) Strontian melilite in a nephelinite lava from Etinde, Cameroon. Mineralogical Magazine, 44 (335) 261-264 doi:10.1180/minmag.1981.044.335.03
Fitton, J. G., & Dunlop, H. M. (1985). The Cameroon line, West Africa, and its bearing on the origin of oceanic and continental alkali basalt. Earth and Planetary Science Letters, 72(1), 23-38. doi.org/10.1016/0012-821X(85)90114-1
Fitton, J. G. (1987). The Cameroon line, West Africa: a comparison between oceanic and continental alkaline volcanism. Geological Society, London, Special Publications, 30(1), 273-291. doi.org/10.1144/GSL.SP.1987.030.01.13
NKOUMBOU, C., D RUELLE, B., VELDE, D. (1995) Petrology of Mt Etinde Nephelinite Series. Journal of Petrology, 36 (2) 373-395 doi:10.1093/petrology/36.2.373
Bindi, Luca, Bonazzi, Paola, Fitton, J. Godfrey (2001) Crystal chemistry of strontian soda melilite from nephelinite lava of Mt. Etinde, Cameroon. European Journal of Mineralogy, 13 (1) 121-125 doi:10.1127/0935-1221/01/0013-0121
 
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