Marine Geology and Oceanography of the Pacific Manganese Nodule Province

Deep-sea manganese nodules, once an obscure scientific curios­ ity, have, in the brief span of two decades, become a potential mineral resource of major importance. Nodules that cover the sea floor of the tropical North Pacific may represent a vast ore de­ posit of manganese, nickel, cobalt, and copper. Modern technology has apparently surmounted the incredible problem of recovering nodules in wat...