- Location
- Southeast Idaho
- Name
- Dan
Dan, is one of them the K/T boundary? I will have a look ...I found these layers in the canyon wall of the Snake River below the American Falls Dam, Idaho
View attachment 323334
I wish that I could tell you more, but I don't know enough geology to identify these layers.Dan, is one of them the K/T boundary? I will have a look ...
Apparently far more recent than that:
I keep forgetting how comparatively 'young' the North American sub continent is. About two thirds of Australia has surface rocks over 2 billion years old, and about 1/4 are far older than that.I wish that I could tell you more, but I don't know enough geology to identify these layers.