Alkaline Rocks and Carbonatites of the World

Funded by HiTech AlkCarb - New geomodels to explore deeper for Hi-Tech critical raw materials in Alkaline rocks and Carbonatites

Guapiacu

stripes

Occurrence number: 
025-00-074
Country: 
Brazil
Region: 
Rio de Janeiro
Location: 
Longitude: -42.75, Latitude: -22.43

This is a small intrusion of trachyte.

References: 
LIU, C.C., MENESES, P.R., FILHO, L.M., RIBEIRO, M.W. and OLIVERIA, J.A.D. 1976. Geologia do estado do Rio de Janeiro baseada em imagens mss do Landsat-1. Anais Congresso Brasileiro de Geologia, 29: 313-26
Fig. 204 Distribution of alkaline rocks around Rio de Janeiro.
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith