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Summary
Description
The key principle of plate tectonics is that the lithosphere exists as separate and distinct tectonic plates, which float on the fluid-like (visco-elastic solid) asthenosphere. The relative fluidity of the asthenosphere allows the tectonic plates to undergo motion in different directions.
* 1 Synopsis on development * 2 Key principles * 3 Types of plate boundaries o 3.1 Transform (conservative) mustafa o 3.2 Divergent (constructive) boundaries o 3.3 Convergent (destructive) boundaries * 4 Driving forces of plate motion o 4.1 Friction o 4.2 Gravitation o 4.3 External forces o 4.4 Relative significance of each mechanism * 5 Major plates o 5.1 Continental drift o 5.2 Floating continents o 5.3 Plate tectonic theory + 5.3.1 Explanation of magnetic striping + 5.3.2 Subduction discovered + 5.3.3 Mapping with earthquakes o 5.4 Geological paradigm shift * 6 Biogeographic implications on fauna and flora * 7 Plate tectonics on other planets * 8 Metaphoric uses * 9 See also * 10 References * 11 External links
Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. Click on date to download the file or see the image uploaded on that date.
(del) (cur) 21:54, 26 December 2006 . . AzaToth . . 4217×3169 (460,986 bytes) (if it's small, and it's an svg, lets then resize it :))
(del) (rev) 00:42, 26 January 2006 . . Scott Nash . . 682×462 (461,282 bytes) (Tectonic plate map with its relative movements. Translated from Image:Placas_tect2_pt_BR.svg. )
File links
The following pages on the English Wikipedia link to this file (pages on other projects are not listed):
Animated, colour-coded map showing the various continents. ... Plates in the crust of the earth, according to the plate tectonics theory Continental drift refers to the movement of the Earths continents relative to each other. ... Adjectives: Terrestrial, Terran, Telluric, Tellurian, Earthly Atmosphere Surface pressure: 101. ... The tectonic plates of the world were mapped in the second half of the 20th century. ... Look up Bay of Bengal in Wiktionary, the free dictionary. ... Age of oceanic crust. ... Earth cutaway from core to exosphere. ... The tectonic plates of the Lithosphere on Earth. ... The Eurasian plate, shown in green The Eurasian Plate is a tectonic plate covering Eurasia (a landmass consisting of the continents Europe and Asia) except that it does not cover the Indian subcontinent, the Arabian subcontinent, and the area east of the Verkhoyansk Range in East Siberia. ... The North American plate, shown in brown The North American Plate is a tectonic plate covering most of North America, extending eastward to the Mid-Atlantic Ridge and westward to the Cherskiy Range in East Siberia. ... Global earthquake epicentres, 1963–1998 The 14 major plates plus the Scotia Plate Plate tectonics map from NASA This is a list of tectonic plates on Earth. ... The South American Plate is a continental tectonic plate covering the continent of South America and extending eastward to the Mid-Atlantic Ridge. ... The Nacza plate, shown in light blue The Nazca Plate, named after the Nazca region of southern Peru, is an oceanic tectonic plate in the eastern Pacific Ocean basin off the west coast of South America. ... The Antarctic plate is shown in blue on this map The Antarctic Plate is a continental tectonic plate covering the continent of Antarctica and extending outward under the surrounding oceans. ... The Pacific plate, shown in pale yellow The Pacific Plate is an oceanic tectonic plate beneath the Pacific Ocean. ... The Cocos plate, shown in gray-blue, off the Pacific coast of Central America The Cocos Plate (Chocos Plate) is an oceanic tectonic plate beneath the Pacific Ocean off the west coast of Central America, named for Cocos Island, which rides upon it. ... The Philippine plate, shown in dull red The Philippine Plate is an oceanic tectonic plate beneath the Pacific Ocean to the east of the Philippines. ... The African plate, shown in pinkish-orange The African Plate is a tectonic plate covering the continent of Africa and extending westward to the Mid-Atlantic Ridge. ... The Arabian plate is shown in bright yellow on this map The Arabian Plate is a continental tectonic plate covering the Arabian peninsula and extending northward to Turkey. ... The Indo-Australian plate, shown in dull orange The Indo-Australian Plate is an overarching name for two tectonic plates that include the continent of Australia and surrounding ocean extending northwest to include the Indian subcontinent and adjacent waters. ... In geology, a rift is a place where the Earths lithosphere is expanding. ... The India or Indian Plate is a minor tectonic plate. ... The Scotia plate, shown in blue-green towards the bottom of the map The Scotia Plate is an oceanic tectonic plate bordering the South American Plate on the north, the South Sandwich microplate to the east, and the Antarctic Plate on the south and west. ... A mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics. ... The Scotia plate is shown in blue-green towards the bottom of this map. ...
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