oceanic plateau

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• Oceanic plateau — An oceanic plateau (also submarine plateau) is a large, relatively flat submarine region that rises well above the level of the ambient seabed.[1] While many oceanic plateaus are composed of continental crust, and often form a step interrupting… …   Wikipedia

• oceanic plateau — or submarine plateau Large submarine elevation rising sharply at least 660 ft (200 m) above the surrounding seafloor and having an extensive, relatively flat or gently tilted summit. Most plateaus are steplike interruptions of the continental… …   Universalium

• Oceanic trench — Oceanic crust is formed at an oceanic ridge, while the lithosphere is subducted back into the asthenosphere at trenches. The oceanic trenches are hemispheric scale long but narrow topographic depressions of the sea floor. They are also the… …   Wikipedia

• Plateau (disambiguation) — Plateau has several meanings:*In geology or earth science, a plateau is an area of relative low relief (i.e., relatively flat) at an important altitude, usually attributed to tectonic uplift or by sediment accumulation. If the uplift was recent,… …   Wikipedia

• Oceanic crust — Age of oceanic crust. The red is most recent, and blue is the oldest. Oceanic crust is the part of Earth s lithosphere that surfaces in the ocean basins. Oceanic crust is primarily composed of mafic rocks, or sima, which is rich in iron and… …   Wikipedia

• Oceanic basin — Diagrammatic cross section of an ocean basin, showing the various geographic features Hydrologically, an oceanic basin may be anywhere on Earth that is covered by seawater, but geologically ocean basins are large geologic basins that are below… …   Wikipedia

• Oceanic zone — Marine habitats The oceanic zone is the deep open ocean water that lies off the continental slopes Littoral zone Intertidal zone …   Wikipedia

• oceanic — /oh shee an ik/, adj. 1. of, living in, or produced by the ocean: oceanic currents. 2. of or pertaining to the region of water lying above the bathyal, abyssal, and hadal zones of the sea bottom. Cf. neritic, pelagic. 3. immensely large; vast: an …   Universalium

• Plateau — For other meanings, see Plateau (disambiguation). Island in the Sky, Canyonlands National Park …   Wikipedia

• plateau — /pla toh / or, esp. Brit., /plat oh/, n., pl. plateaus, plateaux / tohz , tohz/, v., plateaued, plateauing. n. 1. a land area having a relatively level surface considerably raised above adjoining land on at least one side, and often cut by deep… …   Universalium

• Ontong Java Plateau — The Ontong Java Plateau is a huge oceanic plateau located in the Pacific Ocean, lying north of the Solomon Islands. The plateau covers an area of approximately 2,000,000 km2 (770,000 sq mi), or roughly the size of Alaska, and reaches a… …   Wikipedia