One hundred million years of Earth history...

is exposed in the strike valley below Castleton Tower, seen below in this geologically annotated image that includes the formation names and ages (Ma = mega annum = millions of years). The tilted beds of the Cutler Formation (right) comprise the northeastern limb of the Castle Valley salt anticline.

View toward the southeast with Adobe Mesa in the distance. (Click on image to expandify.)

Yes, it was another terrific afternoon for a bike ride in Castle Valley National Park.