Alkaline Rocks and Carbonatites of the World

Funded by HiTech AlkCarb - New geomodels to explore deeper for Hi-Tech critical raw materials in Alkaline rocks and Carbonatites

Andrahary

stripes

Occurrence number: 
102-00-005
Country: 
Madagascar
Location: 
Longitude: 49.03, Latitude: -13.65

A volcanic field comprising basalt, rhyolite and trachyte and extending for 30 km in a northeasterly-southwesterly direction is shown on the 1:500,000 geological map (Besairie, 1971b). No details of the petrography of these rocks have, however, been traced.

References: 
BESAIRIE, H. 1971b. Carte Géologique. Feuille 2. Antalaha. 1:500,000. Service Géologique de Madagasikara, Tananarive.
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