- spreading ridges
- спрединговые хребты
English-Russian dictionary of fishery . 2014.
spreading ridges
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seafloor spreading hypothesis — ▪ Earth science theory that oceanic (oceanic ridge) crust forms along submarine mountain zones, known collectively as the midocean ridge system, and spreads out laterally away from them. This idea played a pivotal role in the development of … Universalium
Seafloor 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… … Wikipedia
sea-floor spreading — noun (geology) The process by which new oceanic crust is generated at oceanic ridges by the convective upswelling of magma • • • Main Entry: ↑sea * * * sea floor spreading «SEE FLR, FLOHR», the process by which the sea floor is being continuously … Useful english dictionary
seafloor spreading — noun Date: 1969 the divergence at mid ocean ridges of the tectonic plates underlying the oceans that is due to upwelling from the earth s interior of magma which solidifies and adds to the spreading plates … New Collegiate Dictionary
Superficial spreading melanoma — (SSM) is the most common form of cutaneous melanoma in Caucasians. The average age at diagnosis is in the fifth decade, and it tends to occur on sun exposed skin, especially on the backs of males and lower limbs of females.PresentationOften, this … Wikipedia
seafloor spreading — noun The outward movement of the seafloor from central underwater ridges as a result of plate tectonics; the major cause of continental drift … Wiktionary
sea floor spreading — noun a geological process affecting mid ocean ridges by which molten lava is extruded and spreads to both sides of the ridge as it solidifies …
seafloor spreading — ˈ ̷ ̷ ˌ ̷ ̷ noun : the divergence at midocean ridges of the tectonic plates underlying the oceans that is due to upwelling from the earth s interior of magma which forms new crust … Useful english dictionary
Plate tectonics — The tectonic plates of the world were mapped in the second half of the 20th century … Wikipedia
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
North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… … Universalium
