Exposure of the Mount Jackson Rhyolite Series vitrophyre at Gibbon River
By Yellowstone Volcano Observatory
August 2024 (approx.)
Detailed Description
Exposure of the Mount Jackson Rhyolite Series vitrophyre at Gibbon River. Boulders of weathered, lichen-covered rock show how easy it is to overlook these new units. Photo by Liv Wheeler, Montana State University, August 2024.
Sources/Usage
Public Domain.