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Folding and Faulting: Causes and Effects Pg. 119
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Fold or Fault?
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(Source: Natural Resources Canada - Terrain Sciences Division - Canadian Landscapes).Natural Resources Canada - Terrain Sciences Division - Canadian Landscapes
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Fold or Fault?
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Anticline, Syncline, or Monocline?
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Anticline photo courtesy of Cleet Carlton of Golden Gate PhotoGolden Gate Photo
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Anticline, Syncline, or Monocline?
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http://www.geo.cornell.edu/geology/inde pth/MainMenu/Photo/Structure.html
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Normal, Reverse, or Strike- slip?
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http://www.pitt.edu/~cejones/GeoImages/7 Structures/ReverseFaults.html
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Normal, Reverse, or Strike-slip?
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http://earthquake.usgs.gov/ earthquakes/states/events/ 1906_04_18_pics.php
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Normal, Reverse, or Strike-slip?
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What is uplift? Uplift—the rising of a region of the Earth’s crust, possibly due to magma underneath pushing up.
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What is subsidence? Subsidence—the sinking of a region of the Earth’s crust, possibly due to lower water levels or absence of magma
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Mountain Building Occurs because of tectonic plate movement
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What are folded mountains? Make the highest mountains in the world Rock layers that are squeezed together
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Folded mountain Layers that are squeezed together
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Appalachian mountains The Alps Himalayan Mountains What are some examples of folded mountains?
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What are fault block mountains? Tension causes large blocks of rock to drop down Example: Teton Mountains, Wyoming
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Fault block mountains Grand Tetons Wyoming
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Formation of a Rift Valley Sequence showing how movements deep under the Earth's Crust help to create a Rift Valley
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Basin and Range Province
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