Glass Mountain (California)

Glass Mountain
Highest point
Elevation	11,128 ft (3,392 m)  NAVD 88[1]
Prominence	3,180 ft (969 m) [2]
Coordinates	37°46′30″N 118°42′31″W / 37.774932603°N 118.708512367°WCoordinates: 37°46′30″N 118°42′31″W / 37.774932603°N 118.708512367°W [1]
Geography
Glass Mountain in relation to the Long Valley Caldera
Location	Mono County, California, U.S.
Parent range	Glass Mountain Range
Topo map	USGS Glass Mountain

Glass Mountain, on the Inyo National Forest, is one of the tallest peaks in Mono County, California. The peak lies 20 miles (32 km) southeast of the shoreline of Mono Lake and is the highest point on the four mile long sinuous Glass Mountain Ridge.^[3][4][5]

The Glass Mountain Ridge forms the northeast boundary of Long Valley Caldera. It consists of a sequence of lava domes, flows, and welded pyroclastic flows of rhyolite composition that were erupted between 2.1 and 0.8 million years ago.^[6] Obsidian, a naturally occurring volcanic glass, can be found on the mountain.^[7]

References

1. "Glass Mountain". NGS data sheet. U.S. National Geodetic Survey. Retrieved 2009-08-06.
2. "Glass Mountain, California". Peakbagger.com. Retrieved 2009-08-03.
3. Glass Mountain, California–Nevada, 15 Minute Topographic Quadrangle, USGS, 1962
4. Casa Diablo Mtn., California, 15 Minute Topographic Quadrangle, USGS, 1953
5. Cowtrack Mtn, California, 15 Minute Topographic Quadrangle, USGS, 1962
6. "Northeast rim of Long Valley Caldera and Glass Mountain, California". Long Valley Observatory. Retrieved 2010-02-02.
7. "Glass Mountain Range". SummitPost.org. Retrieved 2011-09-15.

External links

• "Glass Mountain". Geographic Names Information System. United States Geological Survey. Retrieved 2010-02-02.

Hot Creek with the Glass Mountains in the distance