Differential erosion with more resistant beds protruding out from the canyonwall. Eventually this resistant material will experience tabular slab failure and fall to the bottom of the escarpment.
4/9/2019 2:26:05 PM
Date: 20130717T191324Z
Credit: NOAA OKEANOS Explorer Program , 2013 Northeast U. S. Canyons Expedition
Location: Alvin Canyon, west wall 926-863m