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  1. Impact crater - Wikipedia

    • An impact crater is a depression in the surface of a solid astronomical body formed by the hypervelocity impact of a smaller object. In contrast to volcanic craters, which result from explosion or internal collapse, impact craters typically have raised rims and floors that are lower in elevation than the surrounding terrain. Impact craters are typically c… See more

    History

    Daniel M. Barringer, a mining engineer, was convinced already in 1903 that the crater he owned, Meteor Crater, was of cosmic origin. Most geologists at the time assumed it formed as the result of a volcanic st… See more

    Crater formation

    Impact cratering involves high velocity collisions between solid objects, typically much greater than the speed of sound in those objects. Such hyper-velocity impacts produce physical effects such as melting and vaporization that … See more

    Identifying impact craters

    Non-explosive volcanic craters can usually be distinguished from impact craters by their irregular shape and the association of volcanic flows and other volcanic materials. Impact craters produce melted rocks as well, but us… See more

    Economic importance

    On Earth, impact craters have resulted in useful minerals. Some of the ores produced from impact related effects on Earth include ores of iron, uranium, gold, copper, and nickel. It is estimated that the value of materials mined fro… See more

    See also

    Cretaceous–Paleogene extinction event – Mass extinction event about 66 million years ago
    Crater illusion – Optical illusion
    Expanded crater – Type of secondary impact crater … See more

    Further reading

    • Mark, Kathleen (1987). Meteorite Craters. Tucson: University of Arizona Press. Bibcode:1987mecr.book.....M. ISBN 978-0-8165-0902-7. See more

     
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  2. An impact crater is a circular depression in the surface of a solid astronomical object formed by the hypervelocity impact of a smaller object. In contrast to volcanic craters, which result from explosion or internal collapse, impact craters typically have raised rims and floors that are lower in elevation than the surrounding terrain.
    en.wikipedia.org/wiki/Impact_crater
    An impact crater is a depression in the surface of a planet, moon, or other solid body in the Solar System or elsewhere, formed by the hypervelocity impact of a smaller body.
    en.wikipedia.org/wiki/Crater
    An impact structure is a generally circular or craterlike geologic structure of deformed bedrock or sediment produced by impact on a planetary surface, whatever the stage of erosion of the structure. In contrast, an impact crater is the surface expression of an impact structure.
    en.wikipedia.org/wiki/Impact_structure
     
  3. List of impact structures on Earth - Wikipedia

     
  4. Chesapeake Bay impact crater - Wikipedia

    The Chesapeake Bay impact crater is a buried impact crater, located beneath the mouth of Chesapeake Bay, United States. It was formed by a bolide that struck the eastern shore of North America about 35.5 ± 0.3 million years ago, in the …

  5. Chicxulub crater - Wikipedia

    The Chicxulub crater (IPA: [t͡ʃikʃuˈluɓ] ⓘ cheek-shoo-LOOB) is an impact crater buried underneath the Yucatán Peninsula in Mexico. Its center is offshore, but the crater is named after the onshore community of Chicxulub Pueblo (not the …

  6. Impact crater - Simple English Wikipedia, the free …

    Close-up of shatter cones developed in fine grained dolomite from the Wells Creek crater, USA. Impact craters are craters formed by meteorites or comets striking the Earth or other solid body. There is a system for recording and …

  7. List of possible impact structures on Earth - Wikipedia

    161 rows · Some geological processes can result in circular or near-circular features that may be mistaken for impact craters. Some examples are calderas , maars , sinkholes , glacial cirques , igneous intrusions , ring dikes , salt domes …

  8. Beaverhead impact structure - Wikipedia

    The Beaverhead impact structure is the second largest impact structure within the U.S. It lies within the states of Idaho and Montana. Estimated at 60 kilometers (37 mi) in diameter, it is the ninth largest impact crater on Earth.

  9. Crater - Wikipedia

    An impact crater is a depression in the surface of a planet, moon, or other solid body in the Solar System or elsewhere, formed by the hypervelocity impact of a smaller body.

  10. Impact event - Wikipedia

    The Hiawatha impact crater in Greenland is buried under more than a kilometre of ice. Analysis of the Hiawatha Glacier reveals the presence of a 31 km wide impact crater dated at 58 million years of age, less than 10 million years after the …

  11. Popigai impact structure - Wikipedia

    The Popigai impact structure is the eroded remnant of an impact crater in northern Siberia, Russia. It is tied with the Manicouagan structure as the fourth largest verified impact structure on Earth. [1][2] A large bolide impact created …

  12. Wilkes Land crater - Wikipedia

    Wilkes Land crater. Coordinates: 70°S 120°E. Wilkes Land crater is an informal term that may apply to two separate cases of conjectured giant impact craters hidden beneath the ice cap of Wilkes Land, East Antarctica. These are …

  13. What Happened the Day a Giant, Dinosaur-Killing Asteroid Hit …

  14. Shiva crater - Wikipedia

  15. The Chesapeake Bay Impact Crater | U.S. Geological Survey

  16. Chicxulub Impact Event - Lunar and Planetary Institute (LPI)

  17. Chicxulub crater - Simple English Wikipedia, the free encyclopedia

  18. Impact crater - Wikimedia Commons

  19. What, Where, How, and the Effects of the Chesapeake Bay …

  20. America's Largest Asteroid Impact Left a Trail of Destruction …

  21. Cràter de Bòvtix - Viquipèdia, l'enciclopèdia lliure

  22. Impact crater - Wikiwand