ESS15_LEC8F10_PTect4_2perpage

ESS15_LEC8F10_PTect4_2perpage - Introduction to...

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1 • Lecture 8: Plate tectonics 4 -- California Introduction to Oceanography Franciscan Melange, Glen Canyon Park, San Francisco. Eric A Schiff, Wikimedia Commons CC A S-A 2.5, http://en.wikipedia.org/wiki File:Glen_Canyon_Park_Chert_Outcrop.jpg Introduction to Oceanography •1st Midterm held in class, Friday Oct. 22 View up the Gulf of California, Salton Trough, Ortelius, NASA Worldwind – based on NASA imagery? http:// farm1.static.flickr.com/22/31627805_518d8dabc1.jpg?v=0 View up the Gulf of California & Salton Trough, NASA Space Shuttle photo, Public Domain, http://images.jsc.nasa.gov/ lores/STS049-81-047.jpg
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2 Continent-Continent Convergence India-Asia collision Himalayas Continental crust is too buoyant to subduct, crumples and thickens at the surface. Extra-thick continental crust ---> BIG mountains. Himalayas USGS image, Public Domain, http://commons.wikimedia.org/wiki/File:Himalaya-formation.gif Continent-Continent Convergence India Tibet Crop of NOAA global relief map, Public Domain
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3 QUESTIONS? USGS, Public Domain, http://upload.wikimedia.org/wikipedia/commons/4/40/Tectonic_plate_boundaries.png Transform Boundaries Figure created with GeoMapApp, CC A S-A 3.0, http://www.geomapapp.org/ Depth in
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Transform Boundaries Map View Oblique Where do you expect to see earthquakes? Wikimedia Commons, Los688, Public Domain, http://en.wikipedia.org/wiki/File:Transform_fault-1.svg Most common as more-or- less right-angle offsets of spreading segments along the mid-ocean ridge. Transforms and seismicity
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This note was uploaded on 12/01/2010 for the course GEOG ESS15 taught by Professor Aurnou during the Fall '10 term at UCLA.

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ESS15_LEC8F10_PTect4_2perpage - Introduction to...

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