mountain building - resourcesbrownk/es104/es104.2008.1203... · 2008. 12. 1. · andes mountains
TRANSCRIPT
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Mountain Building
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Andes Mountains
http://pubs.usgs.gov/publications/text/Nazca.html
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Mt. Everest
http://tlacaelel.igeofcu.unam.mx/~GeoD/colision/colision.html
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Alps
http://www.globalchange.umich.edu/globalchange1/current/lectures/topography/topography.html
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Aleutian volcanoes
http://www.tamug.edu/Labb/Alaska/Stellers/Volcanos/Alaska_Volcanos.htm
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Aleutians—from space
Taken on the STS-56 shuttle mission, in April 1993. Image number: STS056-071-031
http://en.wikipedia.org/wiki/Image:Aleutians-space.jpg
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Aleutians--oblique
http://www.nationmaster.com/encyclopedia/Image:Aleutians-aerial.jpg
http://home.earthlink.net/~patron9/ with permission of author tom bigley
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Aleutian type mountain building
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Ring of Fire
http://pubs.usgs.gov/publications/text/fire.html
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Crustal thickening
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Mt St Helens
http://vulcan.wr.usgs.gov/Volcanoes/MSH/Eruption04/MSH25Years/msh_from_harrys_ridge.html
• Link to • Mt Hood
activity below
http://vulcan.wr.usgs.gov/Volcanoes/Hood/CurrentActivity/framework.html
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Andes
http://www.astro.uni-bonn.de/~maltmann/photgal_cz.html
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Andes
http://www.3dnworld.com/gallery.php?user=RPrato
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Southern South America
http://worldwind.arc.nasa.gov/screenshots-bm.html
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Andes Tectonics
http://www.geo.arizona.edu/geo5xx/geo527/Andes/intro.html
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Passive margin
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Convergent margin
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Crustal thickening
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Stages of orogenesis
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Alpine Himalayan orogeny
http://tlacaelel.igeofcu.unam.mx/~GeoD/colision/colision.html
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Subduction of Tethys Seaway
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Himalayas
http://www.answers.com/topic/himalayas-jpg
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Himalaya topography
http://www.geo.cornell.edu/grads/duncan/topo/
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India-Asia collision
http://pubs.usgs.gov/publications/text/understanding.html#anchor4665685
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Hokkaido, Japan
http://astroa.physics.metu.edu.tr/Astronom/EARTH/PIA02751.HTM
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Ancestral Atlantic closing
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Suture of Africa to North America
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Madagascar
http://www.pbs.org/wgbh/nova/gamma/cosm_plan.html
http://astroa.physics.metu.edu.tr/Astronom/IEARTH.HTM
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Submerged oceanic plateaus
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Western North
America
• Accreted terranes
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Topography of the world
http://piru.alexandria.ucsb.edu/collections/geography3b/dar/WEEK3/week3.html
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Extension of Western North America
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Detached sinking oceanic lithosphere
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Grand Tetons
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North American mountain belts
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isostasy
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Isostasy principle
http://parautochthon.com/100584/155607.html?*session*id*key*=*session*id*val*
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Crustal subsidence due to mountain building
http://piru.alexandria.ucsb.edu/collections/geography3b/dar/WEEK3/week3.html
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Unloading by erosion allows isostatic rebound
http://piru.alexandria.ucsb.edu/collections/geography3b/dar/WEEK3/week3.html
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Deposited sediments locally loads margin
http://piru.alexandria.ucsb.edu/collections/geography3b/dar/WEEK3/week3.html
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Extreme uplift due to compression
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Ductile spreading after uplift