Alkaline Rocks and Carbonatites of the World

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

GUEST, N.J. and PICKERING, R. 1966b. Gelai and Ketumbeine. Mineral Resources Division, Tanzania, Quarter Degree Sheet, 40.

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