Gunsight Mountain (Montana)
Gunsight Mountain (9,263 feet (2,823 m)) is located in the Lewis Range, Glacier National Park in the U.S. state of Montana. Gunsight Mountain is named after the adjacent Gunsight Pass, which was named by George Bird Grinnell in 1891.
North aspect with Sperry Glacier
Geology
Like other mountains in Glacier National Park, Gunsight Mountain is composed of sedimentary rock laid down during the Precambrian to Jurassic periods. Formed in shallow seas, this sedimentary rock was initially uplifted beginning 170 million years ago when the Lewis Overthrust fault pushed an enormous slab of precambrian rocks 3 mi (4.8 km) thick, 50 miles (80 km) wide and 160 miles (260 km) long over younger rock of the cretaceous period.
See also
References
- ^ "Gunsight Mountain, Montana". Peakbagger.com. Retrieved July 28, 2017.
- ^ "Gunsight Mountain". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved July 28, 2017.
- ^ "Gunsight Mountain (MT)". SummitPost. Retrieved July 28, 2017.
- ^ Lake McDonald East, MT (Map). TopoQwest (United States Geological Survey Maps). Retrieved July 28, 2017.
- ^ "Historic Place Names". National Park Service. Retrieved July 28, 2017.
- ^ Gadd, Ben (2008). Geology of the Rocky Mountains and Columbias.
External links
- Gunsight Mountain: Weather forecast
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