Necker Ridge ferromanganese crust

Up-close view of a hard, dark, lumpy, and rocky mineral surface.

Detailed Description

Top of a ferromanganese crust sample collected from 1,896 meters water depth at Necker Ridge in the central north Pacific. The surface of this crust was in contact with ocean water and grew just 2 millimeters per million years.


Image Dimensions: 4240 x 2832

Date Taken:

Location Taken: US