Alkaline Rocks and Carbonatites of the World

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

Webi Valley

stripes

Occurrence number: 
054-00-063
Country: 
Ethiopia
Location: 
Longitude: 39.75, Latitude: 7.08
Carbonatite: 
No

Le Bas and Mohr (1968) and Mohr (1962a) report the presence of trachytes, nephelinite, melilite basalt, tinguaite and aenigmatite-bearing phonolites in the upper Webi Valley. Field relationships are not known and neither is the relationship to the large Encuolo volcano lying just to the north.

References: 

LE BAS, M.J. and MOHR, P.A. 1968. Feldspathoidal rocks from the Cainozoic volcanic province of Ethiopia. Geologischer Rundschau, 58: 273-80.MOHR, P.A. 1962a (reprinted 1971). The geology of Ethiopia. University College of Addis Ababa Press, Addis Ababa. 268 pp.

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith