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English-Russian dictionary of geology. 2011.
cryptoexplosion structure
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Cryptoexplosion — The term cryptoexplosion structure (or cryptovolcanic structure) means an explosion of unknown cause. The term is now largely obsolete. It was once commonly used to describe sites where there was geological evidence of a large scale explosion… … Wikipedia
Serpent Mound — This article is about the site in the USA. For the one in the UK, see Skelmorlie. Serpent Mound U.S. National Register of Historic Places … Wikipedia
Des Plaines crater — The Des Plaines crater or Des Plaines disturbance is recognized as an impact crater in Illinois, United States. It is located beneath the eastern part of the city of Des Plaines, which is a suburb of Chicago.[1][2] It is 5.5 miles (8.9 km)… … Wikipedia
Impact crater — The prominent impact crater Tycho on the Moon. In the broadest sense, the term impact crater can be applied to any depression, natural or manmade, resulting from the high velocity impact of a projectile with a larger body. In most common usage,… … Wikipedia
Mistastin crater — Mistastin Lake Landsat Image Location Labrador, Newfoundland and Labrador, Canada Coordinates … Wikipedia
Cloud Creek crater — is an impact crater in Wyoming, United States.[1] The crater is located in Natrona County, about 48 miles northwest of Casper, near the center of a geological feature known as the Casper Arch.[2]:445 The Cloud Creek structure is circular with a… … Wikipedia
Manson crater — Main article: Iowa geology Manson impact location shown in red on bedrock map of Iowa. The Manson impact crater is near the site of Manson, Iowa where an asteroid or comet nucleus struck the Earth during the Cretaceous Period, 74 Ma (million … Wikipedia
impact crater — Astron., Geol. crater (def. 2). [1890 95] * * * ▪ landform Introduction any feature on the continents that has been created by the impact of cosmic bodies (meteorites, asteroids (asteroid), or comets (comet)) on the Earth s surface. In fact … Universalium
Mount Toondina crater — Landsat image of Mount Toondina crater; screen capture from the NASA World Wind Mount Toondina crater is an impact structure (or astrobleme), the eroded remnant of a former impact crater, situated in northern South Australia 45 km south of… … Wikipedia
Coesite — Atomic structure of coesite Coesite[p] is a form (polymorph) of silicon dioxide SiO2 that is formed when very high pressure (2–3 gigapascals), and moderately high temperature (700 °C or 1,300 °F), are applied to quartz. Coesite was… … Wikipedia
Complex crater — Impact crater structure Complex craters are a type of large impact crater morphology. Above a certain threshold size, which varies with planetary gravity, the collapse and modification of the transient cavity is much more extensive, and the… … Wikipedia
