Alkaline Rocks and Carbonatites of the World

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

TEMPLE, A.K. and GROGAN, R.M. 1965. Carbonatite and related alkalic rocks at Powderhorn, Colorado. Economic Geology, 60: 672-92

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