10 Plate Tectonics

10 Plate Tectonics - Plate Tectonics Lithospheric Plates...

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Plate Tectonics Lithospheric Plates includes crust and uppermost mantle Plates ride on the Asthenosphere “Action” occurs on plate boundaries
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Johnson Space Center/NASA Red Sea: spreading plates
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Isostatic compensation W. W. Norton. Modified from Sloss, NOAA
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Plate boundaries original artwork by Gary Hincks
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original artwork by Gary Hincks Mantle plume or Hot Spot Deep source lithosphere asthenosphere Partial melting
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W. W. Norton Lithospheric Plates
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Crust/Mantle Cross-Section
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W. W. Norton Earthquake locations
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W. W. Norton Plate Interactions
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W. W. Norton Formation of an Ocean Basin
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W. W. Norton Cross-section of a spreading center
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Photo by Dudley Foster, Woods Hole Oceanographic Institute Black Smokers
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W. W. Norton Ages of the Sea Floor
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W. W. Norton Lithospheric plates thicken as they cool away from the spreading center
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W. W. Norton Older oceanic plates become denser, and sink deeper into the asthenosphere beneath
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W. W. Norton Initial formation of an oceanic subduction zone
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W. W. Norton Deep earthquakes only occur in subduction zones
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This note was uploaded on 10/02/2011 for the course GEOLOGY 100 taught by Professor Lepre during the Spring '11 term at Rutgers.

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10 Plate Tectonics - Plate Tectonics Lithospheric Plates...

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