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Middle Magdalena Basin - Wikipedia
Middle Magdalena Basin - Wikipedia
File:Sumatra-subduction.jpg - Wikimedia Commons
File Sumatra-subduction jpg - Wikimedia Commons
Forearc - Wikipedia
Forearc - Wikipedia
Backarc-Becken – Wikipedia
Backarc-Becken Wikipedia
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back arc basin wikipedia : Back-arc basins are typically very long (several hundreds to thousands of kilometers) and relatively narrow (a few hundred kilometers). The restricted width of back-arc basins is probably because magmatic activity depends on water and induced mantle convection and these are both concentrated near the subduction zone.The back-arc region is the area behind a volcanic arc. In island volcanic arcs it consists of back-arc basins of oceanic crust with abyssal depths, which may be separated by remnant arcs, similar to island arcs. In continental arcs the back-arc region is part of continental platform, either dry land or forming shallow marine basins.Back-arc basin. Quite the same Wikipedia. Just better.Back-arc basins (or retro-arc basins) are geologic features, submarine basins associated with island arcs and subduction zones.They are found at some convergent plate boundaries, presently concentrated in the Western Pacific ocean.Most of them result from tensional forces caused by oceanic trench rollback and the collapse of the edge of the continent.Back-arc basin is part of WikiProject Geology, an attempt at creating a standardized, informative, comprehensive and easy-to-use geology resource. If you would like to participate, you can choose to edit this article, or visit the project page for more information. B This article has been rated as B-Class on the project's quality scale.The Lau Basin is a back-arc basin (also addressed as “interarc basin”) at the Australian-Pacific plate boundary.It is formed by the Pacific plate subducting under the Australian plate.The Tonga-Kermadec Ridge, a frontal arc, and the Lau-Colville Ridge, a remnant arc, sit on the western and eastern sides of the basin respectively.The area between the trench and the arc is the forearc region, and the area behind the arc (i.e. on the side away from the trench) is the back-arc region. Initial theories proposed that the oceanic trenches and magmatic arcs were the primary suppliers of the accretionary sedimentation wedges in the forearc regions.Pages in category "Back-arc basins" The following 13 pages are in this category, out of 13 total. This list may not reflect recent changes ().Media in category "Back-arc basins" The following 7 files are in this category, out of 7 total.Back-arc basin. Back-arc basins (or retro-arc basins) are geologic features, submarine basins associated with island arc s and subduction zones.They are found at some convergent plate boundaries, presently concentrated in the Western Pacific ocean.Most of them result from tensional forces caused by oceanic trench rollback and the collapse of the edge of the continent.

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A Back-arc Basin is a geological formation that occurs on the ocean floor. This marine formation is most commonly identified along subduction zones, which occur where one tectonic plate moves beneath another, and island arcs, which are a kind of archipelago made up primarily of volcanos.Back-arc basin) und Forearc-Becken (engl. Fore-arc basin) sind Seebecken, die bei der Subduktion einer ozeanischen Platte unter eine andere ozeanische Platte entstehen können. Dort wo die subduzierte Platte unter die aufliegende Platte abtaucht, befindet sich eine Tiefseerinne.Back-arc basin, submarine basin that forms behind an island arc. Such basins are typically found along the western margin of the Pacific Ocean near the convergence of two tectonic plates. Back-arc basins are sites of significant hydrothermal activity, and the deep-sea vents that occur in theseBack-arc basin. submarine features associated with island arcs and subduction zones. Statements. field of work. geology. 0 references. Commons category. Back-arc basins. 0 references. topic's main category. Category:Back-arc basins. 1 reference. imported from Wikimedia project. Vietnamese Wikipedia. Identifiers. Freebase IDMaria Seton (nee Sdrolias) is an Australian geologist in the Faculty of Science EarthByte Group of Geosciences at the University of Sydney. Maria's research is in the field of geophysics and geodynamics.Her main focus is the link between plate tectonic and mantle processes. Maria also works on kinematic controls on subduction and back-arc basin formation and the relationship between ...The Tyrrhenian Sea is a back-arc basin that formed due to the rollback of the Calabrian slab towards South-East during the Neogene. Episodes of fast and slow trench retreat formed first the Vavilov basin and, then, the Marsili basin. Submarine volcanoes formed because trench retreat produces extension in the overriding plate allowing the mantle to rise below the surface and partially melt.MARGINAL BASINS & BACK ARC SPREADING . Marginal basins are a common feature of the Western Pacific. Examples (north to south) are the Sea of Japan, the West Philippine Basin, the Parace Vela & Shikoku Basins, the Mariana Trough, the Woodlark Basin, the Fiji and Lau Basins. By contrast marginal basins are rarer in the Eastern Pacific.Looking for back-arc basin? Find out information about back-arc basin. The region between an island arc and the continental mainland formed during oceanic plate subduction, containing sediment eroded from both Explanation of back-arc basinCross-section sketch showing the development of a back-arc basin by rifting the arc longitudinally. The rift matures to the point of seafloor spreading, allowing a new magmatic arc to form on the trenchward side of the basin (to the right in this image) and stranding a remnant arc on the far side of the basin (to the left in this image).背弧海盆(はいこかいぼん、英: back-arc basin 、略称 BAB 、別名 retro-arc basin )とは、地質学的事象であり、その成り立ちにおいて島弧や沈み込み帯と関連がある海面下の盆地である。 西 太平洋で比較的新しい時代に集積された複数のプレートの境界領域でこれらを見ることができる。

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