Glass_Mountain_Ridge
Glass Mountain Ridge is a ridge located in Mono County, California. It reaches an elevation of 10,505 feet (3,202 m).[1]
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.[2]