Alkaline Rocks and Carbonatites of the World

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

Manama

stripes

Occurrence number: 
102-00-016
Country: 
Madagascar
Location: 
Longitude: 47.4, Latitude: -22.2
Carbonatite: 
No

Nepheline syenite dykes are shown cutting and to the east of the Manama complex of gabbro and syenite on the 1:500,000 geological map (Besairie, 1970a).

References: 

BESAIRIE, H. 1970a. Carte Géologique. Feuille 7. Fianarantsoa. 1:500,000. Service Géologique de Madagasikara, Tananarive.

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