Lecture 6 - Volcanoes

Lecture 6 - Volcanoes - Lecture 6 Plate Tectonics Volcanoes...

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Lecture 6 Plate Tectonics Volcanoes
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mantle plumes originate deep within the asthenosphere as molten rock which rises and melts through the lithospheric plate forming a large volcanic mass at a “ hot spot 3-3 Mantle Plumes
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Atolls   Palmyra Island Fanning Island
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Coral Reefs
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Yellowstone Hot Spot
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Measuring Present-Day Plate Motions Today, we use Global Positioning Systems (GPS) to measure plate motion
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Plate Tectonics into the Future   Present-day motions have been extrapolated into the future some 50 million years Areas west of the San Andreas fault slide northward past the North American plate (San Francisco and L.A. will be one giant city!) Africa collides with Eurasia, closing the Mediterranean and initiating mountain building Australia and New Guinea are on a collision course with Asia   
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This note was uploaded on 01/26/2012 for the course EAS 2600 taught by Professor Ingalls during the Fall '08 term at Georgia Tech.

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Lecture 6 - Volcanoes - Lecture 6 Plate Tectonics Volcanoes...

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