Alkaline Rocks and Carbonatites of the World

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

Jimma Area (Gimma)

stripes

Occurrence number: 
054-00-027
Country: 
Ethiopia
Location: 
Longitude: 36.83, Latitude: 7.67
Carbonatite: 
No

Pantellerite occurs 6 km east of Jimma along the road to Addis Ababa. It contains phenocrysts of anorthoclase and aenigmatite in a groundmass of quartz, which with feldspar forms spherulitic structures, riebeckite and aegirine. An analysis is given by Pagliani (1940).

References: 
PAGLIANI, G. 1940. Pantelleriti e basalti di Gimma (A.O.I.). Rendiconti, Reale Istituto Lombardo di Scienze e Lettere, 123: Ser III, vol. 4. 33-44.
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