subsidence crater

  • 1 Subsidence crater — A subsidence crater is a hole or depression left on the surface of an area which has had an underground (usually nuclear) explosion. Many such craters are present at the Nevada Test Site, which is no longer in use for nuclear testing.Subsidence… …

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  • 2 Crater — may refer to: In landforms: Impact crater, caused by two celestial bodies impacting each other, such as a meteorite hitting a planet Volcanic crater or caldera, formed by volcanic activity Subsidence crater, from an underground (usually nuclear)… …

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  • 3 Crater depth — The depth of any crater in a solid planet or moon whether it is an impact crater, a volcanic crater, or a subsidence crater may be measured from the local surface to the bottom of the crater, or from the rim of the crater to the bottom. Crater… …

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  • 4 Crater Lake — For other uses, see Crater Lake (disambiguation). Crater Lake Aerial view; note Wizard Island against the western rim …

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  • 5 Pit crater — A pit crater (also called a subsidence crater) is a depression formed by a sinking of the ground surface lying above a void or empty chamber, rather than by the eruption of a volcano or lava vent. [cite web… …

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  • 6 Chicxulub crater — Imaging from NASA s Shuttle Radar Topography Mission STS 99 reveals part of the 180 kilometer (112 mi) diameter ring of the crater; clustered around the crater s trough are numerous sinkholes, suggesting a prehistoric oceanic basin in… …

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  • 7 solution subsidence —    1. Any subsidence due to solution of underlying rock but particularly the subsidence of parts of a formation into hollows or pockets of an immediately underlying soluble formation [10].    2. A crater like doline in rock other than karst… …

    Lexicon of Cave and Karst Terminology

  • 8 Underground nuclear testing — Preparation for an underground nuclear test at the Nevada Test Site in the 1990s. Nuclear weapons …

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  • 9 Yucca Flat — is a closed desert drainage basin, one of four major nuclear test regions within the Nevada Test Site (NTS), and is divided into nine test sections: Areas 1 through 4 and 6 through 10. Yucca Flat is located at the eastern edge of NTS, about ten… …

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  • 10 Lava — flow redirects here. For the programming anti pattern, see Lava flow (programming). For other uses, see Lava (disambiguation) …

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  • 11 Nevada Test Site — Infobox Military Test Site name= Nevada Test Site caption= November 1951 nuclear test at Nevada Test Site. Test is shot Dog from Operation Buster, with a yield of 21 kilotons. It was the first U.S. nuclear field exercise conducted on land; troops …

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  • 12 Amchitka — Infobox Military Test Site name=Amchitka Underground Test Site caption=Cannikin warhead being lowered into test shaft map caption=Location of the site type=Nuclear testing range coordinates= coord|51|28|N|179|05|E nearest town= operator= United… …

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  • 13 Géologie de Mercure — Une parcelle noire inexpliquée, à la surface de Mercure. La surface de Mercure est dominée par des cratères d impacts, et des plaines de laves similaires, en certains points, aux maria lunaires. Les autres caractéristiques notables de la surface… …

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  • 14 Nuclear testing — Nuclear weapons tests are experiments carried out to determine the effectiveness, yield and explosive capability of nuclear weapons. Throughout the twentieth century, most nations that have developed nuclear weapons have tested them. Testing… …

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  • 15 Outline of geography — See also: Index of geography articles The following outline is provided as an overview of and topical guide to geography: Geography – science that studies the lands, features, inhabitants, and phenomena of Earth.[1] The physical world …

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  • 16 Nuclear bunker buster — Subsidence craters left over after underground nuclear (test) explosions Bunker busting nuclear weapons, also known as earth penetrating weapons (EPW), are a type of nuclear weapon designed to penetrate into soil, rock, or concrete to deliver a… …

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  • 17 Mount Mazama — collapsed a large caldera, which was later filled with Crater Lake. Elevation 8,159 ft …

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  • 18 Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …

    Universalium

  • 19 Geology of the North Sea — Contents 1 Tectonic structure 2 Precambrian 3 Finnmarkian, Athollian, Caledonian Orogenies …

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  • 20 Lake — For other uses, see Lake (disambiguation). Oeschinen Lake in the Swiss Alps A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the… …

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