submarine rift

См. также в других словарях:

• 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

• Submarine earthquake — A submarine earthquake is an earthquake which occurs underwater at the bed of the sea. They can produce tsunamis, also known as harbor waves or tidal waves . The magnitude can be measured scientifically by the use of either the Richter scale or… …   Wikipedia

• Rift (disambiguation) — A rift is a geological occurrence where the Earth s crust and lithosphere are being pulled apart.Rift may also refer to:* Cardiff Rift, a fictional spacetime breach in the television series Doctor Who and Torchwood * Rift (album), an album by… …   Wikipedia

• volcano — /vol kay noh/, n., pl. volcanoes, volcanos. 1. a vent in the earth s crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals. 2. a mountain or hill, usually having a cuplike crater at the summit,… …   Universalium

• Volcanism in Canada — Canada has examples of almost every type of volcano found on earth, including stratovolcanoes, calderas, cinder cones, shield volcanoes, maars, submarine volcanoes and tuyas. Most of Canada s volcanoes are located in British Columbia. Several… …   Wikipedia

• Arctic Cordillera — Geobox | Range name=Arctic Cordillera other name=Arctic Rockies image size=275 image caption=Baffin Mountains at the northern end of Auyuittuq National Park country=Canada region=Labrador region1=Baffin Island region2=Devon Island… …   Wikipedia

• Bravo Lake Formation — The Bravo Lake Formation is a mafic volcanic belt and large igneous province [ [http://www.encyclopedia.com/doc/1G1 124343378.html Igneous rock associations in Canada 3. Large Igneous Provinces (LIPs) in Canada and adjacent regions: 3] Retrieved… …   Wikipedia

• Carlsberg Ridge — ▪ submarine ridge, Arabian Sea       submarine ridge of the Arabian Sea and the Indian Ocean. The ridge is a portion of the Mid Indian Ridge and extends from near Rodrigues Island to the Gulf of Aden (Aden, Gulf of), trending basically northwest… …   Universalium

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …   Universalium

• Axial Seamount — Exaggerated swatch bathymetry of Axial Seamount and the surrounding area. Summit depth …   Wikipedia