marine mineral resource
(6) The term “marine mineral resource” means— (A) sand and aggregates; (B) placers; (C) phosphates; (D) manganese nodules; (E) cobalt crusts; (F) metal sulfides; (G) for purposes of this section and sections 1902 through 1905 of this title only, methane hydrate; and (H) other marine resources that are not— (i) oil and gas; (ii) fisheries; or (iii) marine mammals.