abyssal basin

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• Abyssal plain — Abyssal plains are flat or very gently sloping areas of the deep ocean basin floor. They are among the Earth s flattest and smoothest regions and the least explored. Abyssal plains cover approximately 40% of the ocean floor and reach depths… …   Wikipedia

• Abyssal fan — Abyssal Fans, also known as deep sea fans, underwater deltas, and submarine fans, are underwater structures that look like deltas formed at the end of many large rivers, such as the Nile or Mississippi Rivers. Abyssal fans are also thought of as… …   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

• Hatteras Abyssal Plain — ▪ submarine plain, Atlantic Ocean       submarine plain forming the floor of the northwestern Atlantic Ocean. It lies east of the North American continental shelf between the southern United States and Bermuda, extending about 900 mi (1,450 km)… …   Universalium

• Sirte Basin — The Sirte Basin is a late Mesozoic and Tertiary triple junction continental rift (extensional basin) along northern Africa that was initiated during the late Jurassic Period. It borders a relatively stable Paleozoic craton and cratonic sag basins …   Wikipedia

• Colombian Abyssal Plain — ▪ plain, Caribbean Sea       submarine plain forming part of the floor of the south central Caribbean Sea, and the deepest and flattest portion of the Colombian Basin. It rises to the southeast to form the Caribbean coast of Colombia, joins the… …   Universalium

• Argentine Basin — ▪ submarine basin, Atlantic Ocean       submarine basin in the floor of the Atlantic Ocean, lying directly east of Argentina. Its deepest sections, the western and southwestern margins, are called the Argentine Abyssal Plain and reach a maximum… …   Universalium

• Geology of the Iberian Peninsula — The geology of the Iberian Peninsula consists of the study of the rock formations on the Iberian Peninsula, which includes Spain, Portugal, Andorra, and Gibraltar. The peninsula contains rocks from every age from Ediacaran to Recent, and almost… …   Wikipedia

• sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium

• Messinian salinity crisis — Events of the Cenozoic view • discuss •  …   Wikipedia

• Atlantic Ocean — an ocean bounded by North America and South America in the Western Hemisphere and by Europe and Africa in the Eastern Hemisphere. ab. 31,530,000 sq. mi. (81,663,000 sq. km); with connecting seas ab. 41,000,000 sq. mi. (106,100,000 sq. km);… …   Universalium