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50-Ma Initiation of Hawaiian-Emperor Bend Records Major Change in Pacific Plate Motion

Sharp, Warren D ; Clague, David A

Science (American Association for the Advancement of Science), 2006-09, Vol.313 (5791), p.1281-1284 [Periódico revisado por pares]

Washington, DC: American Association for the Advancement of Science

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Título:
50-Ma Initiation of Hawaiian-Emperor Bend Records Major Change in Pacific Plate Motion
Autor: Sharp, Warren D ; Clague, David A
Assuntos: Archipelagos ; Brown dwarfs ; Crystalline rocks ; Earth ; Earth sciences ; Earth, ocean, space ; Emperors ; Exact sciences and technology ; Geology ; Habitat corridors ; Igneous and metamorphic rocks petrology, volcanic processes, magmas ; Lava ; Magma ; Marine ; Plate tectonics ; Seamounts ; Shield volcanoes ; Tectonics. Structural geology. Plate tectonics ; Volcanoes
É parte de: Science (American Association for the Advancement of Science), 2006-09, Vol.313 (5791), p.1281-1284
Notas: http://www.scienceonline.org/
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Descrição: The Hawaiian-Emperor bend has played a prominent yet controversial role in deciphering past Pacific plate motions and the tempo of plate motion change. New ages for volcanoes of the central and southern Emperor chain define large changes in volcanic migration rate with little associated change in the chain's trend, which suggests that the bend did not form by slowing of the Hawaiian hot spot. Initiation of the bend near Kimmei seamount about 50 million years ago (MA) was coincident with realignment of Pacific spreading centers and early magmatism in western Pacific arcs, consistent with formation of the bend by changed Pacific plate motion.
Editor: Washington, DC: American Association for the Advancement of Science
Idioma: Inglês

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50-Ma Initiation of Hawaiian-Emperor Bend Records Major Change in Pacific Plate Motion

Sharp, Warren D ; Clague, David A

Washington, DC: American Association for the Advancement of Science

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