Photos of various deep-ocean substrate types upon collection

Detailed Description
Photos of each substrate type upon collection. (A) Basalt; (B) Ferromanganese (FeMn) crust; (C) Sedimentary; and (D) Phosphorite rock.
Sources/Usage
Public Domain.
Photos of each substrate type upon collection. (A) Basalt; (B) Ferromanganese (FeMn) crust; (C) Sedimentary; and (D) Phosphorite rock.
Public Domain.