4_Plate Tectonics - •a Transform faults o Spherical...

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4. Plate Tectonics Can you? Describe and draw the three types of plate boundary and their major features. Explain the formation of the Atlantic Ocean, how it relates to the breakup of Pangea and the plate boundary characteristics of the Pacific and Atlantic Ocean. Lecture Outline •a Divergent boundaries o Sea floor spreading (Mid Ocean Ridges) o Rift valleys •a Convergent boundaries o Basalt vs granite o o Ocean-ocean = subduction zones (trenches & island arc volcanics) o Continent-continent collision = mountain building/plateaus
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Unformatted text preview: •a Transform faults o Spherical planet o Variations in plate movement speed • Breakup of Pangea = the ‘real’ reason for observed continental drift o Sea floor spreading = formation of Atlantic Ocean o Subduction zones = The shrinking Pacific Ocean Glossary Andesite hydrothermal vents pillow lava Basalt island arc volcanoes. San Andreas fault East African Rift Valley. lithosphere Sheet flow Himalayas Pangea. Subduction 1. Divergent boundaries 2. Convergent boundaries 3. Transform Faults...
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This note was uploaded on 12/03/2010 for the course ENVIRON GS 222/ENV taught by Professor Ingridhendy during the Fall '10 term at University of Michigan.

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4_Plate Tectonics - •a Transform faults o Spherical...

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