Differential erosion between weaker (possibly chalk) and stronger (porcellanite?) lithologies result in tabular slab failure of the stronger rocks. Weaker rocks have undergone significant bio-erosion.
Erosion
Image courtesy of the NOAA Office of Ocean Exploration and Research, Northeast U.S. Canyons Expedition 2013.
Differential erosion between weaker (possibly chalk) and stronger (porcellanite?) lithologies result in tabular slab failure of the stronger rocks. Weaker rocks have undergone significant bio-erosion. Download larger version (jpg, 311 KB).
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