Alkaline Rocks and Carbonatites of the World

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

GALVIS, J.V., HUGUETT, A. and RUGE, P.T. 1979. Geologia de la Amazonia Colombiana. Boletin Geologico, Bogota, 22: 64-6

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