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Phonolite from
Nosy Komba, Nosy Be, Diana, Madagascar


Locality type:Island
Classification
Type:Phonolite
Age information
Maximum recorded age:10.38 ± 0.73 Ma
Minimum recorded age:10.38 ± 0.73 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
110.38 ± 0.73 MaMiocene - K-Ar
Sample references:
1 -
Emerick, C.M., Duncan, R.A. (1982) Age progressive volcanism in the Comores Archipelago, western Indian Ocean and implications for Somali plate tectonics. Earth and Planetary Science Letters, 60 (3) 415-428 doi:10.1016/0012-821x(82)90077-2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Phonolite data
Locality Data:Click here to view Nosy Komba, Nosy Be, Diana, Madagascar
Data Identifiers
Mindat Occurrence Record ID:1428685
Long-form Identifier:1:3:1428685:6
GUID (UUID V4):0
Nearest other occurrences of Phonolite
24.1km (15.0 miles) ⓘSambirano occurrence, Ambanja District, Diana, Madagascar
43.9km (27.3 miles) ⓘAmbohimirahavavy Alkaline Complex, Antsirabe, Ambanja District, Diana, Madagascar
59.6km (37.0 miles) ⓘBezavona Massif, Anorotsangana, Ambanja District, Diana, Madagascar
71.3km (44.3 miles) ⓘAnkitsika Complex, Analalava District, Sofia, Madagascar
References
 
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