Sediment covered mudstone? with many large holes and collapse features betweenholes.A small natural stone arch is seen. Bio-erosion? Chemicalerosion? what could cause this?
4/9/2019 2:26:26 PM
Date: 20130811T154701Z
Credit: NOAA OKEANOS Explorer Program , 2013 Northeast U. S. Canyons Expedition
Location: Between Heezen and Nygren Canyons, 822-498m