Abundant polymetallic nodules observed while exploring a small feature midway between Rarotonga and Palmerston Atoll
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Nodules from Dive 02
Dive 02: Abundant polymetallic nodules observed while exploring a seamount midway between Rarotonga and Palmerston Atoll, at a depth of approximately 2,600 meters (2.2 miles).

From: Marine Critical Minerals in the Cook Islands: A Preliminary Look
Credit

NOAA Ocean Exploration, 2026 Cook Islands ROV Exploration