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The Araona Crater (also known as the Iturralde Structure) is a suspected crater from an impactor which struck northern Bolivia approximately 20,000 years ago. The feature is believed to have been caused by a short period comet striking at 70 kilometres per second and splattering into the muddy alluvial flood plain in the Lower Amazon jungle. The impact created a circular depression which is now roughly ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Visualization - scientific
Subject: Physical geography, Geology, Structural geology
 
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The Rockies are fifteen hundred kilometers, or one thousand miles, to the east. The cause must be the tectonic plate that built these mountains. Its name is Farallon. Farallon started off normally enough. It plunged beneath the North American Plate at a forty-five degree angle. This process sprouted volcanoes to form the Sierra Nevada in what is now California. Next, mantle motions pulled North America ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Visualization - scientific
Subject: Physical geography, Geologic time, Geophysics, Structural geology
 
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The entire narrated Images video made for Supercomputing 97 Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Visualization - scientific
Subject: Atmospheric science, Physical geography, Geophysics, Structural geology, Hydrology, Natural hazards, Biological oceanography, Physical oceanography, Space science, Technology
 
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