Alkaline Rocks and Carbonatites of the World

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

Santa Marta II

stripes

Occurrence number: 
025-00-050
Country: 
Brazil
Region: 
Goias
Location: 
Longitude: -51.12, Latitude: -16.38
Carbonatite: 
No

This is an approximately circular trachyte plug 1 km in diameter, cutting Precambrian granite. Santa Marta I, lying 2 km southwest of Fazenda do Toninho, is gabbroic.

References: 

PENA, G.S. and FIGUEIREDO, A.J.A. 1975. Projeto Goiama II, relatorio final. Departamento Nacional da Producao Mineral. Companhia de Pesquisa de Recursos Minerais, 1: 121-61

Map: 
Fig. 1_196 The Ipora Group of occurrences of alkaline intrusions of central Goias.
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith