12 October 2012
Saw that out my window in March, somewhere over what is probably Wyoming. This was on my way from Reno to Minneapolis.
The structure in question is a “blister” in the strata, doming them upwards. If we were to add some strike and dip symbols to this scene, they would wrap around with the dip “tick”s all pointing outwards, like the spines on a sea urchin…