Alkaline Rocks and Carbonatites of the World

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Ado Ale

stripes

Occurrence number: 
054-00-018
Country: 
Ethiopia
Location: 
Longitude: 40.67, Latitude: 12.37

This is a rhyolitic volcanic centre which is of peralkaline composition. There are spatter cones and associated basaltic flows. Analyses of two pantelleritic obsidians are given by Barberi et al. (1975a).

References: 
BARBERI, F., CHEDEVILLE, E., FAURE, H., GIGLIA, G., MARINELLI, G., SANTACROCE, R., TAZIEFF, H. and VARET, J. 1973b. Geology of Northern Afar (Ethiopia) (with a geological map, scale 1:500,000). Revue de Geographie Physique et de Geologie Dynamique, Paris, 15: 443-89.BARBERI, F., SANTACROCE, R. and VARET, J. 1975a. Silicic peralkaline volcanic rocks of the Afar Depression (Ethiopia). Bulletin Volcanologique, 38: 755-90.
Location: 
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith