stripes
Occurrence number:
174-00-038
Country:
United States
Region:
Montana
Location:
Longitude: -110.75, Latitude: 46.5
Carbonatite:
No
Among the granites, diorites, porphyries and rhyolites of the Castle Mountains trachytic intrusions with sodic pyroxene are reported.
References:
WEED, W.H. and PIRSSON, L.V. 1896b. Geology of the Castle Mountain mining district, Montana. Bulletin, United States Geological Survey, 139: 1-164
Location: