Alkaline Rocks and Carbonatites of the World

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

Konso

stripes

Occurrence number: 
054-00-060
Country: 
Ethiopia
Location: 
Longitude: 37.47, Latitude: 5.28
Carbonatite: 
No

The Konso cluster of small intrusions consists of peralkaline quartz trachytes, a photomicrograph of a sample of which (Davidson, 1983, Fig. 69) shows sanidine laths enclosed poikilitically in aegirine.

References: 

DAVIDSON, A. 1983. The Omo River project. Reconnaissance geology and geochemistry of parts of Ilubabor, Kefa, Gemu Gofa and Sidamo, Ethiopia. Bulletin, Ethiopian Institute of Geological Surveys, 2: 1-89.

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