Web Directory

» A 'Smoking Gun' for Dinosaur Extinction
   NASA JPL article on the Chicxulub crater. An image from the Shuttle Radar Topography Mission shows an elevation feature of the crater. The article gives background information and interpretation of the image.
   http://www.jpl.nasa.gov/earth/features/chicxulub.cfm

» Astronomy Picture of the Day - Barringer Crater on Earth
   Aerial photograph.
   http://antwrp.gsfc.nasa.gov/apod/ap990711.html

» Astronomy Picture of the Day - Impact: 65 Million Years Ago
   Computer rendering of Chicxulub crater, from gravity and magnetic field data.
   http://antwrp.gsfc.nasa.gov/apod/ap000226.html

» Astronomy Picture of the Day - Manicouagan Impact Crater on Earth
   Image taken from space shuttle Columbia in 1983.
   http://antwrp.gsfc.nasa.gov/apod/ap001213.html

» Chicxulub Scientific Drilling Program
   Multinational program to obtain and study core samples.
   http://www.icdp-online.org/contenido/icdp/front_content.php?idcat=716

» Crater
   A program that relates crater size to projectile size.
   http://www.lpl.arizona.edu/tekton/crater.html

» Geology 376 - 2001 Field Trip
   Travelogue of a geology class field trip to the Barringer meteor crater. Images, crater description, topographic map.
   http://members.tripod.com/reubs376_2001/

» Impact Craters on Earth
   Map of crater locations in Canada, crater images, explanation and images of rock altered by impact.
   http://miac.uqac.ca/MIAC/impact.htm

» Impact Parameters
   Online calculator for cratering effects of hypothetical asteroid impacts.
   http://www.lpl.arizona.edu/impacteffects/

» Impact Structures
   Geology, geophysics, and petrology of impact structures (meteorite impact craters) with special focus on the Azuara and Rubielos de la Cérida impact structures (Spain)
   http://www.impact-structures.com/

» Meteor Crater
   Images and short explanations of geologic features near the rim of the Barringer meteor crater.
   http://www.meteorite.com/meteor_crater/

» Reuben Johnson's K/T Expedition -- 2001
   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.
   http://members.tripod.com/reubskt53715/

» Solar System Collisions
   Online calculator for effects of asteroid impact.
   http://janus.astro.umd.edu/astro/impact/

» Terrestrial Impact Cratering and Its Environmental Effects
   World map of impact sites, details on the Chicxulub site, and details on environmental effects of impacts.
   http://www.lpi.usra.edu/science/kring/epo_web/impact_cratering/intro/index.html

» Terrestrial Impact Craters
   Background information, images, list of craters, references.
   http://www.solarviews.com/eng/tercrate.htm

» The Chiemgau impact
   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.
   http://www.chiemgau-impact.com

» Three Craters in Israel
   Investigates the possibility they have been caused by comet fragments.
   http://www.gsanctuary.com/3craters.html

» Traces of Catastrophe
   Online book. Detailed introduction and overview of impact processes, crater formation, and shock metamorphism.
   http://www.lpi.usra.edu/publications/books/CB-954/CB-954.intro.html