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The Farallon Plate
Farallon Plate sinks beneath North American Plate and scrapes along bottom of continent for 1,500 kilometers before sinking again.

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 westward over Farallon, and the plate scraped along the bottom of the continent - for fifteen hundred kilometers. As North America continued its westward trek, Farallon settled to the bottom of the mantle. Crust that had accumulated above the sinking plate then bobbed up like a cork to form the Rocky Mountains.    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 westward over Farallon, and the plate scraped along the bottom of the continent - for fifteen hundred kilometers. As North America continued its westward trek, Farallon settled to the bottom of the mantle. Crust that had accumulated above the sinking plate then bobbed up like a cork to form the Rocky Mountains.
Duration: 29.0 seconds
Available formats:
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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 was one of several oceanic plates that plunged beneath western North America and then sank into the mantle. This sinking dramatically affected the surface geology.    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 was one of several oceanic plates that plunged beneath western North America and then sank into the mantle. This sinking dramatically affected the surface geology.

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Farallon started off normally enough. It plunged beneath the North American Plate at a forty-five degree angle.    Farallon started off normally enough. It plunged beneath the North American Plate at a forty-five degree angle.

Available formats:
  720 x 480         TIFF 1 MB
  320 x 213         JPEG 8 KB

Animation Number:1322
Animator:James W. Williams (SVS) (Lead)
Completed:2000-10-11
Scientist:Hans-Peter Bunge (Princeton University)
Data Collected:none
Series:SC2000
Video:SVS2000-0026 *
Keywords:
SVS >> Farallon Plate
SVS >> Plate Tectonics
SVS >> Rocky Mountains
SVS >> Subduction
 
 
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