Alkaline Rocks and Carbonatites of the World

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

Grea

stripes

Occurrence number: 
030-00-002
Country: 
Cameroon
Location: 
Longitude: 14.03, Latitude: 11.22
Carbonatite: 
No

Grea is a 3x3.5 km intrusion of pyrochlore-bearing riebeckite-aegirine granite surrounded by alluvium. It is cut by small dykes of trachyte.

References: 
LASSERRE, M. 1978. Mise au point sur les granitoides dits "ultimes" du Cameroun: gisement, pétrographie et géochronologie. Bulletin du Bureau de Recherches Géologiques et Minières. Paris, IV: 143-59.
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