stripes
Occurrence number:
025-00-085
Country:
Brazil
Region:
Rio de Janeiro
Location:
Longitude: -43.88, Latitude: -22.52
Carbonatite:
No
Minor plugs and dykes of phonolite cut Precambrian gneisses; pseudoleucite-bearing rocks occur (J. G. Valenca, personal communication).
References:
J. G. Valenca, unpublished dissertation and personal communication, 1980.
Map:
Fig. 1_204 Distribution of alkaline rocks around Rio de Janeiro.
Location: