Alkaline Rocks and Carbonatites of the World

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Ado Ale


Occurrence number: 
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).

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.
Fig. 3_72 The distribution of Ethiopia occurrences 10-23 (after Barberi et al., 1973b).
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