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Phonolite from
Nairobi Volcanic area, Nairobi County, Kenya


Locality type:Volcanic Field
Classification
Type:Phonolite
Age information
Maximum recorded age:13.4 Ma
Minimum recorded age:5.2 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
113.4 to 5.2 MaNeogene - K-Ar
Sample references:
1 -
Saggerson, E. P. (1991). Geology of the Nairobi area (No. 98). Mines & Geological Department.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Phonolite data
Locality Data:Click here to view Nairobi Volcanic area, Nairobi County, Kenya
Data Identifiers
Mindat Occurrence Record ID:1427447
Long-form Identifier:1:3:1427447:1
GUID (UUID V4):0
References
Saggerson, E. P. (1991). Geology of the Nairobi area (No. 98). Mines & Geological Department.
 
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