Ash-flow tuff outcrop on the NW flanks of Newberry Volcano, OR, was...
Detailed Description
Weathering has eroded the deposit into rounded mounds. Hammer hanging from outcrop in foreground is present for scale.
Sources/Usage
Public Domain.
Related
Pyroclastic Flows are Rare, but Potentially Destructive, at Newberry
Eruptions of hot ash, pumice, and gas formed a pyroclastic flow deposit 75,000 years ago that can be seen at the base of the cliffs of Paulina Creek Falls.
Related
Pyroclastic Flows are Rare, but Potentially Destructive, at Newberry
Eruptions of hot ash, pumice, and gas formed a pyroclastic flow deposit 75,000 years ago that can be seen at the base of the cliffs of Paulina Creek Falls.