Underwater seabed with scattered grey rocks on a sandy floor, transitioning from deep blue above to light beige below.
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Polymetallic Nodules
Angular, irregularly shaped polymetallic nodules of various sizes were observed on the seafloor of the abyssal plain explored during Dive 07 of the 2026 Cook Islands ROV Exploration cruise.
Credit

NOAA Ocean Exploration, 2026 Cook Islands ROV Exploration