- mid oceanic rift
- 大洋中谷
English-Chinese geology dictionary (英汉地质大词典). 2013.
mid oceanic rift
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Mid-ocean ridge — Oceanic ridge, including a black smoker A mid ocean ridge is a general term for an underwater mountain system that consists of various mountain ranges (chains), typically having a valley known as a rift running along its spine, formed by plate… … Wikipedia
Rift valley — A rift valley is a linear shaped lowland between highlands or mountain ranges created by the action of a geologic rift or fault. This action is manifest as crustal extension, a spreading apart of the surface which is subsequently further deepened … Wikipedia
Mid-Atlantic Ridge — The location of the Mid Atlantic Ridge The ridge was central in the breakup of Pangaea that began some 180 million years ago … Wikipedia
rift valley — noun a) A graben structure between two tectonic plates which are opening relative to each other. b) A mid oceanic ridge system with central valleys … Wiktionary
Oceanic core complex — An oceanic core complex (OCC), or megamullion, is a seabed geologic feature that forms a long ridge perpendicular to a mid ocean ridge. It contains smooth domes that are lined with transverse ridges like a corrugated roof. They can vary in size… … Wikipedia
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
French-American Mid-Ocean Undersea Study — (abgekürzt FAMOUS, französisch amerikanische Mittelatlantik Unterseestudie) war die Bezeichnung für ein 1971 begonnenes Forschungsvorhaben, in dessen Verlauf es 1973/74 zu Tauchfahrten zum Mittelatlantischen Rücken kam, wobei neue Erkenntnisse… … Deutsch Wikipedia
Marine geology — Oceanic crust is formed at an oceanic ridge, while the lithosphere is subducted back into the asthenosphere at trenches. Marine geology or geological oceanography involves geophysical, geochemical, sedimentological and paleontological… … Wikipedia
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
Plate tectonics — The tectonic plates of the world were mapped in the second half of the 20th century … Wikipedia
