Alkaline Rocks and Carbonatites of the World

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

PUTZER, H. and BOOM, G. van den, 1962. Uber einige verkommen von alkaligesteinen in Paraguay. Geologisches Jahrbuch, 79: 423-41

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