rift tectonics

См. также в других словарях:

• Rift — Chasm redirects here. For other uses, see Chasm (disambiguation). For other uses, see Rift (disambiguation). USGS image Plates in the crust of the earth, accordin …   Wikipedia

• rift valley — Geol. 1. graben. 2. a subsea chasm extending along the crest of a mid ocean ridge, locus of the magma upwellings that accompany seafloor spreading. [1890 95] * * * Elongated trough formed by the subsidence of a segment of the Earth s crust… …   Universalium

• Rift lake — A rift lake is a lake formed as a result of subsidence related to movement on faults within a rift zone, an area of extensional tectonics in the continental crust. They are often found within rift valleys and may be very deep. Rift lakes may be… …   Wikipedia

• plate 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… …   Universalium

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

• Midcontinent Rift System — Geological map of North America showing (in white) the Midcontinent Rift, here labeled Keweenawan Rift. Lake Superior occupies the apex of the rift. The Midcontinent Rift System (MRS) or Keweenawan Rift is a 2,000 km (1,200 mi) long… …   Wikipedia

• Extensional tectonics — is concerned with the structures formed, and the tectonic processes associated with, the stretching of the crust or lithosphere.Areas of extensional tectonics are typically associated with: * The development of continental rifts, with or without… …   Wikipedia

• Gulf of Suez Rift — The Gulf of Suez Rift is a continental rift zone active between the Late Oligocene (ca. 28 Ma) and the end of the Miocene (ca. 5 Ma) [Khalil,S.M. and McClay,K.R.2001.Tectonic evolution of the NW Red Sea Gulf of Suez rift system. In:WILSON, R.C.L …   Wikipedia

• plate 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.… …  

• Baikal Rift Zone — [ USGS factsheet] The Baikal Rift Zone is a divergent plate boundary centered beneath Lake Baikal in southeastern Russia. To its west is the Eurasian Plate and to its east is the Amur Plate which is moving away from the rift toward Japan at about …   Wikipedia

• List of plate tectonics topics — This is a list of articles related to plate tectonics and tectonic plates.*African Plate *Anatolian Plate *Antarctic Plate *Arabian Plate *Asthenosphere *Back arc basin *Blind thrust earthquake *Cocos Plate *Continent *Continental drift… …   Wikipedia