Terrigenous

  • 21bathyal zone — ▪ oceanography       marine ecologic realm extending down from the edge of the continental shelf to the depth at which the water temperature is 4° C (39° F). Both of these limits are variable, but the bathyal zone is generally described as lying… …

    Universalium

  • 22Recession — This article is about a slowdown in economic activity. For other uses, see Recession (disambiguation). Economics …

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  • 23Vitrinite — is one of the primary components of coals and most sedimentary kerogens. Vitrinite is a type of maceral, where macerals are organic components of coal analogous to the minerals of rocks. Vitrinite has a shiny appearance resembling glass… …

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  • 24Baltic Shield — The Baltic Shield (sometimes referred to as the Fennoscandian Shield) is located in Fennoscandia (Norway, Sweden and Finland), northwest Russia and under the Baltic Sea. The Baltic Shield is defined as the exposed Precambrian northwest segment of …

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  • 25Oceanic 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… …

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  • 26Phong Nha-Ke Bang National Park — Infobox World Heritage Site WHS = Phong Nha Ke Bang National Park State Party = VIE Type = Natural Criteria = viii ID = 951 Region = Asia Pacific Year = 2003 Session = 27th Link = http://whc.unesco.org/en/list/951Infobox protected area | name =… …

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  • 27Real estate bubble — This article is about the general phenomenon of housing bubbles. For housing bubbles in various countries, see below. A real estate bubble or property bubble (or housing bubble for residential markets) is a type of economic bubble that occurs… …

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  • 28Geology 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… …

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  • 29Marcellus Formation — Stratigraphic range: Middle Devonian …

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  • 30Fröjel formation — mid Silurian), the sediments represent an unusually high supply of terrigenous sediment into the shallow carbonate platform that was to become the island of Gotland.cite journal doi = 10.1007/s10347 005 0050 0 title = Silurian carbonate platforms …

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