Geo101.11.MantleCrust2

Geo101.11.MantleCrust2 - Earths Mantle to Crust and the...

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1 Earth’s Mantle to Crust… and the concept of Plate Tectonics… Egypt, Sinai, and the Arabian Peninsula 3 types of plate boundaries …based on relative motion between the two plates • divergent • convergent • transform 1. Divergent boundaries a) Oceanic - Oceanic: the formation of new oceanic crust Divergent, spreading boundaries, mid-ocean ridges A Divergent Boundary …geophysical properties of a ridge
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2 Formation of new oceanic crust at a mid-ocean ridge… Divergent, spreading boundaries, mid-ocean ridges Mid-Atlantic Ridge … age of the Atlantic Ocean Floor Age of the ocean ±oor… Continental Divergent Boundaries: Continental rifting Egypt, Sinai, and the Arabian Peninsula 2. Divergent boundary b) Continental - continental
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3 Continental rifting East African Rift System Western North America… The Great Basin Convergent margins Continental crust Lithosphere Lithosphere Asthenosphere Lithosphere Lithosphere Continental crust Asthenosphere Continental crust Ancient oceanic crust Lithosphere Lithosphere Asthenosphere Continental crust Continental - Continental Oceanic - Oceanic Oceanic - Continental Convergent margins also known as a) Convergent margins (Oceanic - Oceanic)
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4 b) Convergent margins (Oceanic - Continental) c) Convergent margins Continental - Continental
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This note was uploaded on 12/28/2009 for the course 460 101 taught by Professor Swisher during the Fall '09 term at Rutgers.

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Geo101.11.MantleCrust2 - Earths Mantle to Crust and the...

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