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

Tsianihy

stripes

Occurrence number: 
102-00-017
Country: 
Madagascar
Location: 
Longitude: 44.05, Latitude: -21.25

Two 2-3 km diameter plugs shown on the 1:500,000 geological map (Besairie, 1969b) are depicted as being of limburgite, the same as the Betsioky occurrences (No. 102-00-018), and so probably basanite-tephrite.

References: 
BESAIRIE, H. 1969b. Carte Géologique. Feuille 6. Morondava. 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