Alkaline Rocks and Carbonatites of the World

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

El Ksar

stripes

Occurrence number: 
113-00-007
Country: 
Morocco
Location: 
Longitude: 4.57, Latitude: 32.68
Carbonatite: 
No

This locality, an account of the field relationships of which has not been found, is listed by Jérémine (1955, p. 68) as an ankaratrite consisting of phenocrysts of olivine in a matrix of augite, biotite, aegirine-augite, hornblende, nepheline and analcime.

References: 

JÉRÉMINE , E. 1955. L'ankaratrite a haüyne du Jebel Tourguejid (Haut Atlas de Midelt). Quelques considérations sur les ankaratrites du Maroc et sur les ankaratrites en général. Notes et Mémoires. Service Géologique Maroc, 125: 59-75.

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