Plate Tectonics

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Plate Tectonics
Court Monroe Chapter 17, pages 443 - 463
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Alfred Wegener, father of continental drift
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Wegener thought that the continents were once
connected. Continents fit into each
other Landforms, like mountains Fossils of
continents meshed in key areas People did not go
along with theory, because they could not figure
out what force would be strong enough to move a
continent. Continents would crack if pushed
through ocean Gravity would not make them go
downhill Spin of the Earth was not fast
enough Wegener died on expedition to
Greenland Probably died by falling into a
crevice When digging in Greenland, when you are
are deep as you are going to go, one yells
Ive found Wegener. Theory widely accepted in
early 1960s
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www.vulkaner.no/v/vulkinfo/ tomtech/etomtech.html
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http//pubs.usgs.gov/publications/graphics/Fig2-5g
lobes.gif
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www.astro.umn.edu/john/ Ast1001/earth/Earth.html
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oak.cats.ohiou.edu/.../ Diversification.htm
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www.ucmp.berkeley.edu/ tectonics/quakecenters.htm
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http//www.classzone.com/books/earth_science/terc/
content/visualizations/es0806/es0806page01.cfm?cha
pter_novisualization
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What kind of plate boundary is this a
representation of?
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What kind of fault is THIS a representation of?
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Convergent zones can be Continent to continent
(mountains) Continent to Ocean (ocean trench, and
mountains) Ocean to Ocean (island arc Japan)
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This is oceanic vs. continental crust. Name a
place where this is happening.
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www.tki.org.nz/.../ what_on_earth/bumps2_e.php
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www.calstatela.edu/ faculty/acolvil/plates.html
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Excellent animations, on another
website. http//highered.mcgraw-hill.com/sites/00
72826967/student_view0/chapter4/animations_and_mov
ies.html
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