During Dive 17 of the 2021 North Atlantic Stepping Stones, on the summit plateau of Gosnold Seamount, we encountered these alternating wide patches of ripple-ornamented sediment with pteropod tests and ferromanganese chips accumulating on the side of the ripple facing the current and pavement with ferromanganese-coated cobbles, boulders, and nodules.
Wide Patches of Ripple-ornamented Sediment
Image courtesy of NOAA Ocean Exploration, 2021 North Atlantic Stepping Stones: New England and Corner Rise Seamounts. Download larger version (jpg, 1.3 MB).

During Dive 17 of the 2021 North Atlantic Stepping Stones, on the summit plateau of Gosnold Seamount, we encountered these alternating wide patches of ripple-ornamented sediment with pteropod tests and ferromanganese chips accumulating on the side of the ripple facing the current and pavement with ferromanganese-coated cobbles, boulders, and nodules.

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