'Barringer crater' presentation slideshows

Barringer crater - PowerPoint PPT Presentation

Impacts and Bio-Extinctions

Impacts and Bio-Extinctions

Impacts and Bio-Extinctions. Impacts: Three Key Discoveries. 1960: Impacts cause most cratering (Shoemaker) 1960+: Impacts are inevitable and continuing 1980: Impacts can have global biological consequences (Alvarez et al.). Impact Cratering: The Barringer Crater.

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886 views • 71 slides
Alpine Valley (Sea of Rains)

Alpine Valley (Sea of Rains)

Alpine Valley (Sea of Rains) This oblique view looks west of Alpine Valley and the Sea of Rains on the Moon. Alpine Valley is a sinuous rille about 150 km long and 8 km wide, running vertically through the center of the image. The Sea of Rains is the dark, flat feature at the top.

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482 views • 24 slides
Impact Craters and Age - Review

Impact Craters and Age - Review

Impact Craters and Age - Review. Finding ages of objects. Absolute ages are assessed through radioactive decay (1/2 lives) Carbon 14, half-life of 5700 years Uranium 238, half-life of 700 million years! Requires lab analysis of physical samples. How it works.

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292 views • 17 slides
Impact Craters Meteorites & Asteroids

Impact Craters Meteorites & Asteroids

Impact Craters Meteorites & Asteroids. Meteorite Impacts*. Meteoroids < 1m in diameter tend to burn up in atmosphere Meteoroids > 1km can cause much damage Earth has more than 100 craters > 0.1km in diameter. *Notes from meteor handout. Asteroid Impacts*.

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247 views • 14 slides
Barringer Crater:

Barringer Crater:

In Winslow Arizona. Barringer Crater:. Barringer Crater. 4,145 feet across 570 feet deep Known as the best preserved meteor crater in the world It was g oing 43,125 MPH 4x the size of the Atomic Bomb in Japan. History. In 1871, Europeans thought it was a collapsed volcano.

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243 views • 10 slides

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