Subject is a bit off topic, but while out exploring a local canyon for Ordovician fossils, I chanced upon this strange exfoliating section in a formation known as the Valmont.
Would anyone happen to have knowledge on the processes behind this? The area was not conducive for finding fossils.
This is 'as viewed' from the side. It is not taken from above. The bed is in a normal horizontal orientation but exposed in a staircase cleft.
Sedimentary rock formation
Found in the orange box in this photo