Alkaline Rocks and Carbonatites of the World

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L'Adrar Tisset

stripes

Occurrence number: 
105-00-012
Country: 
Mali
Location: 
Longitude: 1.32, Latitude: 19.72

This is a 3x1.5 km intrusion of microgranite which cuts the Oumassene group of andesites, basalts and tuffs. It consists of perthite, sodic amphibole, aegirine and a little biotite.

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.
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