Sufficiently powerful asteroid and comet impacts can change the surface of the earth, creating craters and modifying rocks and soil.
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Aerial photograph.
Computer rendering of Chicxulub crater, from gravity and magnetic field data.
Image taken from space shuttle Columbia in 1983.
Geographic, geologic, geophysical, mineralogical-petrographic, geochemical, astronomical and historical characteristics of a Holocene notable asteroid/comet impact and the role of the discovery in the scientific discussion.
Travelogue of a geology class field trip to the Barringer meteor crater. Images, crater description, topographic map.
Online calculator for cratering effects of hypothetical asteroid impacts.
Geology, geophysics, and petrology of impact structures (meteorite impact craters) with special focus on the Azuara and Rubielos de la Cérida impact structures (Spain)
Images and short explanations of geologic features near the rim of the Barringer meteor crater.
Official site for the visitors center at the Barringer meteor crater. Short history, animations, visitor information.
Background info on the Chicxulub impact crater at the K/T (Cretaceous/Tertiary) boundary with photos of the 2001 NASA/Planetary Society expedition to Belize and Mexico to study and gather ejecta samples.
Online calculator for effects of asteroid impact.
World map of impact sites, details on the Chicxulub site, and details on environmental effects of impacts.
Background information, images, list of craters, references.
Text describing formation of impact craters. Images, glossary.
Online book. Detailed introduction and overview of impact processes, crater formation, and shock metamorphism.
Aerial photograph.
Image taken from space shuttle Columbia in 1983.
Computer rendering of Chicxulub crater, from gravity and magnetic field data.
Online calculator for cratering effects of hypothetical asteroid impacts.
World map of impact sites, details on the Chicxulub site, and details on environmental effects of impacts.
Geographic, geologic, geophysical, mineralogical-petrographic, geochemical, astronomical and historical characteristics of a Holocene notable asteroid/comet impact and the role of the discovery in the scientific discussion.
Background info on the Chicxulub impact crater at the K/T (Cretaceous/Tertiary) boundary with photos of the 2001 NASA/Planetary Society expedition to Belize and Mexico to study and gather ejecta samples.
Background information, images, list of craters, references.
Text describing formation of impact craters. Images, glossary.
Travelogue of a geology class field trip to the Barringer meteor crater. Images, crater description, topographic map.
Images and short explanations of geologic features near the rim of the Barringer meteor crater.
Geology, geophysics, and petrology of impact structures (meteorite impact craters) with special focus on the Azuara and Rubielos de la Cérida impact structures (Spain)
Online calculator for effects of asteroid impact.
Official site for the visitors center at the Barringer meteor crater. Short history, animations, visitor information.
Online book. Detailed introduction and overview of impact processes, crater formation, and shock metamorphism.
