11-5-08 (webnotes) - geographically part of the north...

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November 5, 2008 PLATE TECTONICS 1. Plate tectonics a. The theory and evidence i. Fit of continents ii. Similarity of fossils iii. Correspondence of ancient mountain ranges iv. Similarity of glacial landforms v. Sea floor topography vi. Magnetic reversals- Atlantic ocean floor b. History of Pangea breakup: global super continent i. Changes in connectivity among land masses ii. Changes in continentality: less extreme temperatures now iii. Land at different latitudes climate changes iv. Geography of volcanoes and earthquakes c. Repercussions 2. Major plates a. North American plate b. South American plate c. Pacific plate d. Eurasian plate e. African plate f. Indo-Australia plate g. Antarctic plate h. Plate boundaries that cut across continental masses: i. San andreas fault system- California (southern California is not
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Unformatted text preview: geographically part of the north American plate) ii. African rift valley iii. Himalayas 3. Types of plate boundaries a. Spreading centers: where you find new, young rocks i. African rift valley ii. Red sea iii. Atlantic ocean b. Subduction zones i. Oceanic plate-continental plate: 1. Subduction zone 2. Earthquakes 3. Volcanoes 4. Deep sea trenches ii. Oceanic plate-oceanic plate: 1. Subduction zone 2. Earthquakes 3. Volcanic island arc 4. Deep sea trenches iii. Continental-continental plate 1. High mountain building (when India crashed into Asia, it created the Himalayas) c. Transform boundaries 4. Hot spots- spots like Hawaii...
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This note was uploaded on 01/17/2011 for the course GEOG 1111 taught by Professor Hopkins during the Fall '08 term at University of Georgia Athens.

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11-5-08 (webnotes) - geographically part of the north...

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