001_2012.01.31_plate_tectonics

001_2012.01.31_plate_tectonics - Transform Boundaries...

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1/31/2012 1 GEOS 100 – Fundamentals of Geology Tuesday, 31 January 2012 Announcements: Reading Quiz 2 due today; RQ 3 available Lab 2 due this week Scheduling for Exams 1 and 2 available Grade Calculator(s) available on Blackboard Why is Plate Tectonics called the “Unifying Theory of Geology”? What is the evidence for Plate Tectonics? How do tectonic processes operate? Mantle Convection
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1/31/2012 2 Drivers of Plate Tectonics 1. Drag from Convection 2. Ridge Push 3. Slab Pull Water and Plate Tectonics
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1/31/2012 3 Continental and Oceanic Lithosphere CONTINENTAL CRUST: e.g., Granite OCEANIC CRUST: e.g., Basalt Divergent Boundaries Mid-Ocean Spreading Center Continental Rift Valley
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1/31/2012 4 Convergent Boundaries Oceanic - Oceanic Oceanic - Continental Continental - Continental
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Unformatted text preview: Transform Boundaries Continental Oceanic 1/31/2012 5 Absolute Plate Motion Hot Spots Absolute Plate Motion Hot Spots Emperor Seamount Hawaiian Island Chain 1/31/2012 6 Absolute Plate Motion Hot Spots Which of the following is closest to the rate of movement for the Pacific Plate? 1 cm/year 1 km/year 10 cm/year 10 km/year 100 cm/year 100 km/year 24% 9% 3% 7% 12% 45% a) 1 cm/year b) 1 km/year c) 10 cm/year d) 10 km/year e) 100 cm/year f) 100 km/year 1/31/2012 7 Absolute Plate Motion Hot Spots Snake River Plain 1/31/2012 8 1/31/2012 9 Which of the following is closest to the rate of movement for the North American Plate? 1 cm/year 5 cm/year 10 cm/year 20 cm/year 0% 0% 0% 0% a) 1 cm/year b) 5 cm/year c) 10 cm/year d) 20 cm/year 15 Average Plate Velocities...
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001_2012.01.31_plate_tectonics - Transform Boundaries...

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