Alkaline Rocks and Carbonatites of the World

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

Wei Wei

stripes

Occurrence number: 
122-00-042
Country: 
Nigeria
Location: 
Longitude: 8.42, Latitude: 9.07
Carbonatite: 
No

Wei Wei consists of two precipitous peaks rising to over 300 m which have not been mapped in detail. The northern one consists principally of ignimbrites and the southern is probably of biotite granite with an outer zone of riebeckite-annite granite.

References: 

KINNAIRD, J.A. 1981. Geology of the Nigerian anorogenic ring complexes. Geological map, scale 1:500 000. St. Andrews University Younger Granite Research Group.RAEBURN, C. 1924. The tinfields of Nassarawa and Ilorin Provinces. Bulletin, Geological Survey of Nigeria, 5: 1-63.

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