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Phonolite from
Nyamaji Volcanic Complex, Homa Bay County, Kenya


Locality type:Volcanic Complex
Classification
Type:Phonolite
Age information
Maximum recorded age:18.3 ± 0.5 Ma
Minimum recorded age:10.6 ± 0.3 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
118.3 ± 0.5 to 10.6 ± 0.3 MaMiocene - K-Ar
Sample references:
1 -
Le Bas, M. J. (1970). A combined central-and fissure-type phonolitic volcano in western Kenya. Bulletin Volcanologique, 34(2), 518-536. doi.org/10.1007/BF02596769
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Phonolite data
Locality Data:Click here to view Nyamaji Volcanic Complex, Homa Bay County, Kenya
Data Identifiers
Mindat Occurrence Record ID:1426657
Long-form Identifier:1:3:1426657:9
GUID (UUID V4):0
Nearest other occurrences of Phonolite
5.2km (3.3 miles) ⓘWasaki Peninsula and Ruri Hills Phonolites, Homa Bay County, Kenya
15.7km (9.8 miles) ⓘHoma Mountain complex, Homa Bay County, Kenya
29.3km (18.2 miles) ⓘKisingiri Volcano, Homa Bay County, Kenya
85.7km (53.2 miles) ⓘEldoret and Kapsabet Plateau, Kenya
References
Le Bas, M. J. (1970). A combined central-and fissure-type phonolitic volcano in western Kenya. Bulletin Volcanologique, 34(2), 518-536. doi.org/10.1007/BF02596769
Le Bas, M. J. (1977). Carbonatite-nephelinite volcanism: an African case history. London: Wiley.
 
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