Peridotite boulders in rippled sediment on Dive 4 at Hadal Ridge.
Peridotite Boulders
Image courtesy of the NOAA Office of Ocean Exploration and Research, 2016 Deepwater Exploration of the Marianas. Download larger version (jpg, 787 KB).

Peridotite boulders in rippled sediment on Dive 4 at Hadal Ridge.

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