Nov 20, 2023 · Obsidian Dome viewed from Glass Creek Dome, Long Valley Caldera. (Public domain.) Obsidian, Glass Creek, and Deadman Creek domes all erupted in 1350 CE (Millar, et al. 2006). The vents from which the domes erupted are all aligned to the north-south.

Obsidian Dome is a collapsed volcanic dome made up of giant (car-sized) obsidian boulders and smaller obsidian pieces. If what you want to see is lots of obsidian, this is a great place to look at.

Created by a Phreatic Blast - the explosion that takes place when magma reaches the water table and turns the water to steam - and the magma pushing up and cooling to create rock. This large dome is located West of Highway 395 north of Mammoth Lakes.

Nov 29, 2019 · Obsidian Dome was formed about 600 years ago during a phreatic blast, when magma hits water on its way to the surface. The heat turns the water into steam and the magma cools into rock. The...

May 7, 2023 · Obsidian Dome is a striking geological feature that stands out among the many volcanic formations found within the Long Valley Caldera. This impressive dome is composed primarily of obsidian, a naturally occurring volcanic glass formed when molten lava cools rapidly.

Sep 16, 2021 · The Cochetopa Dome is the only definitive location of obsidian in the state of Colorado. Cochetopa Dome is located about 20 miles south of Gunnison. The area is also called Chochetopa Hill.

Nov 17, 2018 · In the winter, groomed trails lead out to the dome, and the black obsidian beneath a fresh snowfall is truly a sight to see. Cross-country skiing to Obsidian Dome is very enjoyable, with the trail a relatively mellow meander up to some incredible vistas.

A toddler in the world of geology, Obsidian Dome was born only a little over 600 years ago. If you are about to embark there to collect some of the obsidian rock to make arrowheads, don’t; this obsidian is more porous and therefore unfit for such endeavors.

The Obsidian Dome trailhead is located on the west side of Hwy 395 just north of Deadman Summit. These are marked trails that are groomed on an intermittent basis by the Inyo National Forest. Obsidian Dome is one of five domes located on the Mono-Inyo Craters volcanic chain.

Nov 18, 2023 · This stop provides access to Glass Creek Dome (a mixture of obsidian and pumice), Obsidian Dome (large flow with different obsidian textures), and explosion craters (large holes in the ground formed by a blast of steam, generally generated by gases from rising magma).