Geologist examining highly vesciculated obsidian in the Obsidian Do...
By Volcano Hazards Program
2007 (approx.)
Detailed Description
Geologist examining highly vesciculated obsidian in the Obsidian Dome squeeze-up.
Sources/Usage
Public Domain.
unknown USGS source
Related
Long Valley Caldera Field Guide - Obsidian Dome
At the top of an obsidian dome, view rocks that look different but have the same composition.
Related
Long Valley Caldera Field Guide - Obsidian Dome
At the top of an obsidian dome, view rocks that look different but have the same composition.