Geology

Dark Akkaya Travertine This travertine, located in Bolu, Turkey, is much darker than the other side with plenty of plant growth. #geology #world #turkey #tourism #photography

Akkaya Limestone Travertine #geology #photography #akkaya #bolu #turkey

Unnamed bluff of tuff near La Garita, CO

I had forgotten all about this picture until I got notification from my stock agency that they've licensed a copy of it for a book. This is the far (east) edge of Colorado's San Juan volcanic field, and this is tuff, formed some 28 million years ago. The Rocky Mountains, east...See more

200 million years of geology

Comb Ridge, in southeast Utah, snakes across the center of the photo. It marks the edge of the Monument Upwarp, in which the area under the camera was thrust upward and eastward in the Laramide Orogeny, a continental collision that occurred 70 to 40 million years ago. ...See more

I have lots of geology stuff to share here. Here is my first. There is a ton of geology to see around Grand Junction, Colorado (indeed, that's where I got started with geology) but none is more striking than Mt. Garfield. The Book Cliffs (named by Lt. E. G. Beckwith on the...See more