Tirebiter No. 5 & No. 6 prospect (Tirebiter claim; Mona Lisa), Mineral Point District, Ravalli Co., Montana, USA
|Latitude & Longitude (WGS84):||45° 29' 58'' North , 114° 17' 40'' West|
|Latitude & Longitude (decimal):||45.49944,-114.29444|
|Köppen climate type:||Dfb : Warm-summer humid continental climate|
A Nb (Columbium) occurrence/prospect located in sec. 10, T4S, R22W, MPM, 40 miles S of Darby, in the upper reaches of Sheep Creek, on the divide between Sheep Creek and Johnson Creek, tributaries of the West Fork Bitteroot River.
6 valid minerals.
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
1000 - 1600 Ma
|Amphibolite (metamorphosed intrusive rocks) in the Bitterroot Mountains|
Age: Mesoproterozoic (1000 - 1600 Ma)
Reference: Zientek, M.L., P.D. Derkey, R.J. Miller, J.D. Causet et al. Spatial Databases for the Geology of the Northern Rocky Mountains - Idaho, Montana, and Washington. U.S. Geological Survey Open-File Report 2005-1235 Version 1.0. 
1000 - 1600 Ma
Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals: 87(3): 208-240.
U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0300810126.