Tephra fall deposit located on the flank of Newberry, Volcano recor...

(Credit: Donnelly-Nolan, Julie M.. Public domain.)
Detailed Description
Tephra fall deposit on the flank of Newberry, Volcano records pulses of eruptive activity as explosions waxed and waned during caldera-forming eruptions about 75,000 years ago.
Details
Image Dimensions: 675 x 900
Date Taken:
Location Taken: US