Mono–Inyo Craters
Videos
The Mono–Inyo Craters are a volcanic chain of craters, domes and lava flows in Mono County, Eastern California, United States. The chain stretches 25 miles from the northwest shore of Mono Lake to the
Mono Craters
The Mono Craters form an arc of overlapping lava domes and flows.
The Inyo Craters are a set of explosion pits.
Photo from the edge of southernmost of the Inyo craters
Obsidian
Videos
Obsidian is a naturally occurring volcanic glass formed when lava extruded from a volcano cools rapidly with minimal crystal growth. It is an igneous rock. Produced from felsic lava, obsidian is rich
Mono–Inyo Craters
…earthquakes and uplift within and south of Long Valley Caldera indicated renewed activity in the area. The region has been used by humans for centuries. Obsidian was collected by Mono Paiutes for making sharp tools and arrow points. Glassy rock continues to be removed in modern times for use as commercial scour…
Lipari Obsidienne
Polished snowflake obsidian, formed through the inclusion of cristobalite crystals
Glass Mountain, a large obsidian flow at Medicine Lake Volcano in California
Jumble of pumice and volcanic obsidian, Obsidian Dome, California