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NOAA Ocean Exploration
oceanexplorer.noaa.gov > multimedia > sample-polymetallic-crust

Sample: Polymetallic Crust

2+ day, 23+ hour ago   (97+ words) This scoop of polymetallic crust was collected from a small ridge structure on a seamount during Dive 01 of the 2026 American Samoa ROV + Mapping Exploration expedition. The color checker is included in the photo to help document changes in mineralogy that…...

NOAA Ocean Exploration
oceanexplorer.noaa.gov > multimedia > seafloor-geology-2

Seafloor Geology

5+ day, 3+ hour ago   (97+ words) Part way through Dive 07 of the 2026 American Samoa ROV + Mapping Exploration expedition, seafloor geology shifted from terraces and sheets to possible pillows and ferromanganese-encrusted flows and cobbles intermixed. The shift in structure did not seem to significantly impact the biological…...

NOAA Ocean Exploration
oceanexplorer.noaa.gov > multimedia > circles-in-the-sediment

Circles in the Sediment

1+ week, 6+ day ago   (97+ words) Throughout Dive 03 of the 2026 American Samoa ROV + Mapping Exploration expedition, heavily sedimented areas of the seafloor were observed to have a number of circular bioturbations, ranging in size from 10 centimeters to nearly a meter in width Examination of these features…...