Alkaline Rocks and Carbonatites of the World

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L'Adrar Dourit

stripes

Occurrence number: 
105-00-014
Country: 
Mali
Location: 
Longitude: 1.42, Latitude: 19.5

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.
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