Glass Mountain (California)
Glass Mountain, in 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 (6.4 km) long sinuous Glass Mountain Ridge.
Hot Creek with the Glass Mountains in the distance
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. Obsidian, a naturally occurring volcanic glass, can be found on the mountain.
References
- ^ "Glass Mountain". NGS Data Sheet. National Geodetic Survey, National Oceanic and Atmospheric Administration, United States Department of Commerce. Retrieved August 6, 2009.
- ^ "Glass Mountain, California". Peakbagger.com. Retrieved August 3, 2009.
- ^ Glass Mountain, California–Nevada, 15 Minute Topographic Quadrangle, USGS, 1962
- ^ Casa Diablo Mtn., California, 15 Minute Topographic Quadrangle, USGS, 1953
- ^ Cowtrack Mtn, California, 15 Minute Topographic Quadrangle, USGS, 1962
- ^ "Northeast rim of Long Valley Caldera and Glass Mountain, California". Long Valley Observatory. Archived from the original on September 5, 2009. Retrieved February 2, 2010.
- ^ "Glass Mountain Range". SummitPost.org. Retrieved September 15, 2011.
External links
- "Glass Mountain". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved February 2, 2010.
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