spreading plate

  • 1plate tectonics — plate tectonic, adj. Geol. a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past… …

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  • 2Plate tectonics — The tectonic plates of the world were mapped in the second half of the 20th century …

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  • 3plate tectonics — /pleɪt tɛkˈtɒnɪks/ (say playt tek toniks) noun a theory concerning the movements of the earth s lithosphere that explains how tectonic plates ride on the moving asthenosphere; supporting the theory of continental drift and sea floor spreading.… …

  • 4Seafloor spreading — Age of oceanic crust; youngest (red) is along spreading centers. Seafloor spreading is a process that occurs at mid ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge. Seafloor… …

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  • 5Burma Plate — The Burma Plate is a small tectonic plate or microplate located in Southeast Asia, often considered a part of the larger Eurasian Plate. The Andaman Islands, Nicobar Islands, and northwestern Sumatra are located on the plate. This island arc… …

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  • 6Nazca Plate —   The Nazca plate, shown in light blue Full size image showing all plates The Nazca Plat …

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  • 7Indo-Australian Plate — The Indo Australian Plate is a major tectonic plate that includes the continent of Australia and surrounding ocean, and extends northwest to include the Indian subcontinent and adjacent waters. Recent studies suggest that the Indo Australian… …

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  • 8Cocos Plate — Detail of the Cocos and Caribbean plates …

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  • 9Juan de Fuca Plate — The Juan de Fuca Plate, named after the explorer, is a tectonic plate arising from the Juan de Fuca Ridge, and subducting under the northerly portion of the western side of the North American Plate at the Cascadia subduction zone. It is bounded… …

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  • 10Scotia Plate — The Scotia Plate is an oceanic tectonic plate bordering the South American Plate on the north, the South Sandwich Plate to the east, and the Antarctic Plate on the south and west.The north and south boundaries of the plate are transform fault… …

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