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Deep Discoverer Over Rocks

The lights of remotely operated vehicle (ROV) Deep Discoverer shine down on a rock outcrop during Dive 05 of the 2021 North Atlantic Stepping Stones expedition. Because ferromanganese crusts were relatively thin in places on these outcrops, geologists were able to identify the tops of pillow lavas as the ROV crossed over some of the outcrops.

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Credit

Image courtesy of NOAA Ocean Exploration, 2021 North Atlantic Stepping Stones: New England and Corner Rise Seamounts.