. . . . . . . . "American"@en . . . "1100363078"^^ . . "Kenneth C. Macdonald"@en . "Member, American Academy of Arts and Sciences"@en . . . . . . . "Scripps Institution of Oceanography;"@en . . . . . . "Woods Hole Oceanographic Institution"@en . . "Bruce Luyendyk, Tanya Atwater"@en . . . . . . . . . . "Macdonald and map of\nEast Pacific Rise crest at 9\u00B0N"@en . ""@en . . . . "ocean spreading centers\ndeep sea hydrothermal vents"@en . . . . . . . . . . . . . . . "Kenneth Craig Macdonald is an American oceanographer and marine geophysicist born in San Francisco, California in 1947. As of 2018 he is professor emeritus at the Department of Earth Science and the Marine Sciences Institute at the University of California, Santa Barbara (UCSB). His work focuses on the tectonics and geophysics of the global mid-oceanic ridge including its spreading centers and transform faults, two of the three types of plate boundaries central to the theory of plate tectonics. His work has taken him to the north and south Atlantic oceans, the north and south Pacific oceans, the Indian Ocean, the Red Sea and the Sea of Cortez, as well as to the deep seafloor on over 50 dives in the research submersible ALVIN. Macdonald has participated in over 40 deep sea expeditions, and "@en . . . "55994494"^^ . . "Cody Medal"@en . . . . . . . . . . . "Fellow Amer. Geophys. Union"@en . . . . . . . . "Kenneth C. Macdonald"@en . "Fellow Geological Soc. America"@en . . "Kenneth C. Macdonald"@en . . "UC Berkeley\nMIT"@en . . "UC Santa Barbara"@en . . . . . . . . . . . "Fellow Amer. Assoc. Adv. Science"@en . . . . "17811"^^ . . . . "Kenneth Craig Macdonald is an American oceanographer and marine geophysicist born in San Francisco, California in 1947. As of 2018 he is professor emeritus at the Department of Earth Science and the Marine Sciences Institute at the University of California, Santa Barbara (UCSB). His work focuses on the tectonics and geophysics of the global mid-oceanic ridge including its spreading centers and transform faults, two of the three types of plate boundaries central to the theory of plate tectonics. His work has taken him to the north and south Atlantic oceans, the north and south Pacific oceans, the Indian Ocean, the Red Sea and the Sea of Cortez, as well as to the deep seafloor on over 50 dives in the research submersible ALVIN. Macdonald has participated in over 40 deep sea expeditions, and was chief- or co-chief scientist on 31 expeditions."@en . . "Newcomb Cleveland Prize of Amer. Assoc. Adv. Science"@en . . . . ""@en . . .