Alkaline Rocks and Carbonatites of the World

Setup during HiTech AlkCarb: an online database of alkaline rock and carbonatite occurrences

Entotto Hills

stripes

Occurrence number: 
054-00-032
Country: 
Ethiopia
Location: 
Longitude: 38.77, Latitude: 9.08
Carbonatite: 
No

Mohr (1962a) records the presence of olivine trachytes, phonolitic trachytes, hyalotrachytes, alkaline rhyolites, tuffs and obsidian breccias in the Entotto Hills north of Addis Ababa.

Age: 
Lower Miocene (Mohr and Zanettin, 1988).
References: 
MOHR, P.A. 1962a (reprinted 1971). The geology of Ethiopia. University College of Addis Ababa Press, Addis Ababa. 268 pp.MOHR, P. and ZANETTIN, B. 1988. The Ethiopian flood basalt province. In J.D. Macdougall (ed), Continental flood basalts. 63-110. Kluwer, Dordrecht.
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