Hand-sample photo of what is known to be Lava Creek Tuff “unit 2”
Detailed Description
A hand-sample photo of what is known to be Lava Creek Tuff “unit 2.” Small black scoria pieces are distinctive of this unit compared to the previously recognized Member A and Member B of the Lava Creek Tuff. Photo by Ray Salazar (Montana State University) on August 16, 2021.
Sources/Usage
Public Domain.