Marine placer deposits and sea-level changes / Hermann Rudolf Kudrass -- Light heavy minerals on the Indian continental shelf, including beaches / G. Victor Rajamanickam -- Tin placer deposits on continental shelves / Wyss W.-S. Yim -- Marine placer gold, with particular reference to Nome, Alaska / Richard H.T. Garnett -- Marine placer diamonds, with particular reference to Southern Africa / Richard H.T. Garnett -- Resource estimates of the Clarion-Clipperton manganese nodule deposits / Charles L. Morgan -- Ferromanganese nodules from the Central Indian Ocean Basin / Pratima Jauhari and J.N. Pattan -- Manganese nodules of the Peru Basin / Ulrich von Stackelberg -- Cobalt-rich ferromanganese crusts in the Pacific / James R. Hein ... [et al.] -- Innovations in marine ferromanganese oxide tailings disposal / John C. Wiltshire -- Hydrothermal activity on the southern, ultrafast-spreading segment of the East Pacific Rise / Vesna Marchig -- Mineral deposits at 23S, Central Indian Ridge / Peter Halbach and Ute M{764}nch -- Polymetallic massive sulfides and gold mineralization at mid-ocean ridges / Peter M. Herzig and Mark D. Hannington -- Hydrothermal mineralization in the Red Sea / J.C. Scholten ... [et al.]