White material, perhaps the base of a coral, small hydroids, and small sponges.
Image ID: expn0642, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Location: Block Canyon, east wall 1345-1239m
Photo Date: 20130719T164813Z
Credit: NOAA OKEANOS Explorer Program , 2013 Northeast U. S. Canyons Expedition
• High Resolution Photo Available