Alkaline Rocks and Carbonatites of the World

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

Cerro Jarau

stripes

Occurrence number: 
025-00-116
Country: 
Brazil
Region: 
Rio Grande do Sul
Location: 
Longitude: -56.52, Latitude: -30.18
Carbonatite: 
No

This is a dome approximately 6 km in diameter, similar to Vargeao (025-00-111), beneath which may lie an alkaline complex.

References: 
MOREIRA, H.L., FREITAS, P.R.S. and NUNES, A.B. 1980. Geologia da estrutura de colopso do Jarau. Anais Congresso Brasileiro de Geologia, 31(5): 2684-7
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith