Alkaline Rocks and Carbonatites of the World

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

Ampan

stripes

Occurrence number: 
122-00-039
Country: 
Nigeria
Location: 
Longitude: 9.57, Latitude: 9.33
Carbonatite: 
No

This is an approximately circular, 3 km diameter intrusion lying east of the Pankshin syenite. It is a fayalite-hedenbergite-calcic-sodic amphibole syenite and quartz syenite with a marginal granite (Kinnaird, 1981). Little other information has been gleaned.

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.

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