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seafloor spreading
(Encyclopedia)CE5 Schematic model of the oceanic crust, showing seafloor spreading seafloor spreading, theory of lithospheric evolution that holds that the ocean floors are spreading outward from vast underwate...Dutton, Clarence Edward
(Encyclopedia)Dutton, Clarence Edward, 1841–1912, American geologist, b. Wallingford, Conn., grad. Yale, 1860. After service in the army during and after the Civil War, he was a member (1875–91) of the U.S. Geo...Newman, Arnold Abner
(Encyclopedia)Newman, Arnold Abner, 1918–2006, American portrait photographer, b. New York City. He is known for his “environmental portraiture,” photographs that capture their sitters in characteristic setti...Ford, Whitey
(Encyclopedia)Ford, Whitey (Edward Charles Ford), 1928–2020, American baseball player, b. New York City. A New York Yankee pitcher for his entire career, he signed with them in 1946. The southpaw threw in the min...Wilson, J. Tuzo
(Encyclopedia)Wilson, J. Tuzo (John Tuzo Wilson), 1908–93, Canadian geologist and geophysicist, b. Ottawa, Ph.D. Princeton (1936), M.A. Cambridge (1940). He worked for the Geological Survey of Canada (1936–39) ...plate tectonics
(Encyclopedia)CE5 Plate tectonics: Map of the world showing major plates and plate boundaries CE5 Plate tectonics: Schematic model of the oceanic crust, showing the three types of plate boundaries plate tect...shipworm
(Encyclopedia)shipworm or teredo tĕrēˈdō [key], marine bivalve mollusk of the family Teredinidae, specialized for boring in wood. A shipworm is not a worm, but a greatly elongated clam. Its two shells, enclosin...snail
(Encyclopedia)snail, name commonly used for a gastropod mollusk with a shell. Included in the thousands of species are terrestrial, freshwater, and marine forms. Some eat both plant and animal matter; others eat on...continental drift
(Encyclopedia)CE5 Continental drift (arrows indicate the directions of motion of the landmasses) A. Proposed reconstruction of the supercontinent Pangaea indicating the major present landmasses B. Proposed recon...Melville, Andrew
(Encyclopedia)Melville, Andrew, 1545–1622, Scottish religious reformer and scholar. He studied abroad, came under the influence of Theodore Beza, and was a professor at Geneva. He was principal (1574–80) of the...Browse by Subject
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