Bed of manganese nodules
By Pacific Coastal and Marine Science Center
2000 (approx.)
Detailed Description
A bed of manganese nodules from deep offshore of the Cook Islands. Each color bar in the staff represents 10 centimeters.
Sources/Usage
Public Domain.
Critical metals in manganese nodules from the Cook Islands EEZ, abundances and distributions
Article by Hein, et al., 2015, Ore Geology Reviews; photo taken during a research cruise in 2000.