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![Apparently a sloping rock surface expn5949.jpg Apparently a sloping rock surface](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_expn5949.jpg?itok=tktVAJ79)
Description
Apparently a sloping rock surface. It appears that the sand flows' down thissurface to the deeper sand covered area seen in the previous three images. Therock surface appears striated - perhaps the effect of eons of time over whichsand flowed down this slope etching out small channels. (Image credit: NOAA Office of Ocean Exploration and Research, 2015 Hohonu Moana)