resources & environment ch. 3. internal energy of the earth
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RESOURCEs & Environment Ch. 3. internal energy of the earth. Volcanic clouds in Iceland (April 14, 2010) http://inthepark.egloos.com/4727911. 3-1. plate tectonics. 3-1-1. Plate Tectonics? - PowerPoint PPT PresentationTRANSCRIPT
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RESOURCES & ENVIRONMENTCH. 3. INTERNAL ENERGY OF THE EARTH
Volcanic clouds in Iceland (April 14, 2010)http://inthepark.egloos.com/4727911
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3-1. PLATE TECTONICS3-1-1. Plate Tectonics?
Unified theory of explaining (all) the geologi-cal processes (or phenomena) with the dy-namics (motion) of the plates (on the surface of the Earth)
(tectonics from tectonicus, meaning “per-taining to building”)
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3-1-2. Histories
• Theory of continental drift:• 16C Abraham Ortellius• 17C Francis Bacon• 19C Antonio Snider-Pellegrini• 1912 Alfred Wegener (1880-1930) – scientifi-
cally established the theory• Theory of sea-floor spreading
• Early 1960s, Robert S. Dietz , Harry H. Hess• Mantle convection
• 1928 Arthur Holmes
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Evidences of continental drift –shape of the continents
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Evidences of continental drift –fossils
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Evidences of continental drift – rocks
http://www.indiana.edu/~g103/G103/week11/week11.htm
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Evidences of sea floor spreading – geomagnetic reversal
http://www.indiana.edu/~geol116/week7/week7.htm
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3-1-3. Plates & Plate Boundaries
• Boundaries• Convergent:• Divergent• Transform (or Conservative)
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http://picsdigger.com/keyword/transform%20plate%20boundary/
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http://nieblog.projo.com
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http://sideshow.jpl.nasa.gov/mbh/all/images/global.jpg
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http://www.uwsp.edu/geo/faculty/lemke/geog101/lecture_outlines/18_plate_tectonics.html.