For artificial basins to trap sediment, see Sediment basin.
A structural basin is a large-scale structural formation of rock strata formed by tectonic warping (folding) of previously flat-lying strata. They are geological depressions, the inverse of domes. Elongated structural basins are also known as synclines. Some are sedimentary basins, aggregations of sediment that filled up a depression or accumulated in an area. Others were formed by tectonic events long after the sedimentary layers were deposited.
Basins may appear on a geologic map as roughly circular or elliptical, with concentric layers. Because the strata dip toward the center, the exposed strata in a basin are progressively younger from the outside in, with the youngest rocks in the center. Basins are often large in areal extent, often hundreds of kilometers across.
Monroe, James S., and Reed Wicander. The Changing Earth: Exploring Geology and Evolution. 2nd ed. Belmont: Wadsworth Publishing Company, 1997. ISBN0-314-09577-2
October 30, 2023
structural, basin, artificial, basins, trap, sediment, sediment, basin, structural, basin, large, scale, structural, formation, rock, strata, formed, tectonic, warping, folding, previously, flat, lying, strata, they, geological, depressions, inverse, domes, el. For artificial basins to trap sediment see Sediment basin A structural basin is a large scale structural formation of rock strata formed by tectonic warping folding of previously flat lying strata They are geological depressions the inverse of domes Elongated structural basins are also known as synclines Some are sedimentary basins aggregations of sediment that filled up a depression or accumulated in an area Others were formed by tectonic events long after the sedimentary layers were deposited Geologic provinces of the world USGS Shield Platform Orogen Basin Large igneous province Extended crust Oceanic crust 0 20 Ma 20 65 Ma gt 65 MaWilpena Pound structural basin in South AustraliaBasins may appear on a geologic map as roughly circular or elliptical with concentric layers Because the strata dip toward the center the exposed strata in a basin are progressively younger from the outside in with the youngest rocks in the center Basins are often large in areal extent often hundreds of kilometers across Structural basins are often important sources of coal petroleum and groundwater Contents 1 Examples 1 1 Europe 1 2 North America 1 2 1 Trinidad and Tobago 1 2 2 United States 1 3 Oceania 1 3 1 Australia 1 4 South America 2 See also 3 ReferencesExamples editEurope edit Hampshire Basin United Kingdom London Basin United Kingdom Paris Basin France Permian Basin Poland northern Germany Denmark the Netherlands the North Sea and Scotland Turgay Basin KazakhstanNorth America edit Trinidad and Tobago edit Southern Basin TrinidadUnited States edit Albuquerque Basin New Mexico Appalachian Basin Eastern United States Big Horn Basin Wyoming Black Warrior Basin Alabama and Mississippi Delaware Basin Texas and New Mexico Denver Basin Colorado Illinois Basin Illinois Los Angeles Basin California Michigan Basin Michigan North Park Colorado Basin Paradox Basin Utah and Colorado Permian Basin Texas and New Mexico Piceance Basin Colorado Powder River Basin Wyoming and Montana Raton Basin Colorado and New Mexico Sacramento Basin California San Juan Basin New Mexico and Colorado Uinta Basin Utah Williston Basin Montana and North Dakota Wind River Basin WyomingOceania edit Australia edit nbsp Wilpena Pound structural basinAmadeus Basin Bowen Basin Cooper Basin Galilee Basin Great Artesian Basin Wilpena PoundSouth America edit Chaco Basin Argentina Bolivia and Paraguay Magallanes Basin Chile Neuquen Basin Argentina and Chile Parana Basin Argentina Brazil Paraguay and Uruguay Llanos Basin ColombiaSee also editDrainage basin Fold beltReferences edit nbsp Wikisource has the text of the 1911 Encyclopaedia Britannica article Basin Monroe James S and Reed Wicander The Changing Earth Exploring Geology and Evolution 2nd ed Belmont Wadsworth Publishing Company 1997 ISBN 0 314 09577 2 Retrieved from https en wikipedia org w index php title Structural basin amp oldid 1181107008, wikipedia, wiki, book, books, library,
