stripes
Occurrence number:
174-00-019
Country:
United States
Region:
Montana
Location:
Longitude: -115.58, Latitude: 48.5
Carbonatite:
No
The Bobtail Creek stock is exposed over an area of 3. 2 km2 and is in contact with Precambrian schists. It is composed predominantly of syenites containing aegirine-augite. An ultramafic rock composed mainly of pyroxene and amphibole is poorly exposed along the southwestern part of the stock.
References:
FLESHMAN, B.R. and SIEGMUND, B.L. 1982. National uranium resource evaluation: Kalispell Quadrangle, Montana. United States Department of Energy, Unpublished Report, PGJ/F-133(82)
Location: