Bio-erosion of soft chalk layers, particularly the large burrows that have beenexcavated. More resistant porcellanite layers form the ledges at bottomof the image.
4/9/2019 2:26:12 PM
Date: 20130718T192241Z
Credit: NOAA OKEANOS Explorer Program , 2013 Northeast U. S. Canyons Expedition
Location: Alvin Canyon, east wall 1088-1010m