Rocks coated with hardened manganese deposits


Photographed by the DSV Alvin, these rocks are coated with hardened manganese deposits up to several centimeters thick. Image courtesy of NOAA, WHOI, and the 2004 GOA Seamount Exploration Science Party.

Related Links

Gulf of Alaska 2004

Gulf of Alaska 2004: August 6 Log

NOAA Ocean Explorer Gallery

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