stripes
Occurrence number:
025-00-035
Country:
Brazil
Region:
Bahia
Location:
Longitude: -39.45, Latitude: -14.43
Carbonatite:
No
These are three small intrusions of syenite for which no detailed description is available.
Economic:
Sodalite-rich rock is quarried as a decorative stone.
Age:
Analysis ITC 29 of Cordani et al. (1974, Fig. 1 and Table 2) on syenite is probably from one of these intrusions, and gave 660 Ma by Rb-Sr.
References:
CORDANI, U., HALPERN, M. and BERENHOLE, M. 1974. Comentarois sobre as determinacoes geocronologicas do Folha Porto Alegre SH.22. In. Carta Geologica do Brasil ao miliuonesimo: texto explicativo. 70-88. Ministerio das Minas e Energia, Departamento Nacional da Producao Mineral, Brasilia
Map:
Fig. 1_195 The Bahia province of alkaline rocks (based principally on the Carta Geologica do Brasil ao milionesimo: Folha Salvador SD. 24 accompanying Pedreira et al. 1976).
Location: