3-3 - Plate Tectonics (Contd) 17:14 Convergent: Continent...

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Unformatted text preview: Plate Tectonics (Contd) 17:14 Convergent: Continent Continent One plate carrying a continent subducting under another Continents are too buoyant to subduct Result: compression, uplift, mountain building Hazards earthquakes Transform Boundaries Plates slide past each other Some deformation. little or no melting Hazards shallow, sometimes strong earthquakes o Ex. San Andreas Fault Pre-Plate Tectonic Ideas (Hypotheses) Sinking of sea-floor along continents from weight of sediments o Edge of continents buckle and create mountains Shrinking and cooling Earth o Cracking and wrinkling, causes mountains o Volcanoes not considered important Expanding Earth o Pulls crust apart Continental Drift Alfred Wegener o German Meteorologist o Noted fit of South America and Africa o Noted similar rocs and fossils on both continents Wegener and Continental Drift 1912 and 1915 presented his hypothesis of Continental Drift...
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3-3 - Plate Tectonics (Contd) 17:14 Convergent: Continent...

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