stripes
Occurrence number:
105-00-014
Country:
Mali
Location:
Longitude: 1.42, Latitude: 19.5
Carbonatite:
No
Covering 18x8 km this bean-shaped intrusion is composed principally of peralkaline granites including aegirine-arfvedsonite granite. At the southern margin is a small mass of amphibole-biotite granite which is cut by apatite dykes.
References:
BA, H., BLACK, R., BENZIANE, B., DIOMBANA, D., HASCOET-FENDER, J., BONIN, B., FABRE, J. and LIÉGEOIS, J.P. 1985. La province des complexes annulaires alcalins sursaturés de l'Adrar des Iforas, Mali. Journal of African Earth Sciences, 3: 123-42.FABRE, J. 1982. Carte geologique de l'Adrar des Iforas. 1:500,000. Direction Nationale de la Geologie et des Mines, Republique du Mali, et Centre Geologique et Geophysique de Montpellier (CNRS), France.
Map:
Fig. 3_167 General distribution of alkaline rocks in the Iforas area. The position of the Tadhak province is also shown. (based on 1:500,000 geological map of Fabre, 1982).
Location: