in Arches National Park, taken during my recent field trip, on the last evening near sunset (click to enlarge.)
Pop quiz: what's the name of the lowermost member of the Entrada Sandstone, seen in the lower half of the illuminated outcrop?
Pop quiz: what's the name of the lowermost member of the Entrada Sandstone, seen in the lower half of the illuminated outcrop?
Dewey Bridge member.
ReplyDeleteCorrrect. And that's the more massive and cross-bedded Slickrock Member above the Dewey Bridge Member.
ReplyDelete