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Aegirine-augite from
O'a Caldera, Lake Shala (Lake Shalla), Oromia Region, Ethiopia


Locality type:Caldera
Classification
Species:Aegirine-augite
Formula:(NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Aegirine-augite data
Locality Data:Click here to view O'a Caldera, Lake Shala (Lake Shalla), Oromia Region, Ethiopia
Data Identifiers
Mindat Occurrence Record ID:1425188
Long-form Identifier:1:3:1425188:7
GUID (UUID V4):0
Nearest other occurrences of Aegirine-augite
72.8km (45.3 miles) ⓘCacca Volcano, Arsi Zone, Oromia Region, Ethiopia
97.9km (60.9 miles) ⓘBora-Bericcio Volcanoes, Arsi Zone, Oromia Region, Ethiopia
References
Di Paola, G.M. 1973. The Ethiopian rift valley (between 7º00' and 8º40' lat.north). Bulletin Volcanologique, 36, 517-560.
Mohr, P. &. O'Donnell, H. 1983. Geochemistry of obsidians from O'a and related volcanic centres in the Ethiopian Rift Valley. Sinet, Ethiopina Journal of Science, 6, 53-64.
Mohr, P., Mitchell, J. G., & Raynolds, R. G. H. (1980). Quaternary volcanism and faulting at O’a Caldera, Central Ethiopian Rift. Bulletin Volcanologique, 43(1), 173-189. doi.org/10.1007/BF02597619
 
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