Heezen Canyon
Image courtesy of the NOAA Office of Ocean Exploration and Research, Northeast U.S. Canyons Expedition 2013.
A scalloped portion of the wall in Heezen Canyon. The near-horizontal cracks are breaks between bedding (depositional layers), while the near-vertical cracks are fractures or joints that form when the buried rocks depressurize as they reach the seafloor through erosion.
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