scientist points to a crystal in the Scaup Lake lava flow, Yellowstone
Detailed Description
Christy Till, a scientist at Arizona State University points to one of the crystal black box recorders in the Scaup Lake lava flow, which erupted at Yellowstone around 256,000 years ago. Work performed under National Park Service permit YELL-2015-SCI-6078. Photo by Karalee Brugman.
Sources/Usage
Public Domain.