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| proposed theory of continental drift |
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proposed seafloor spreading
[image]
proposed seafloor spreading
[image]
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| clues that back up continental drift |
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Definition
1) fossil of similar plants and animals found all over the world 2) glacier evidence in warm climates 3) similar rock types found on both sides of the Atlantic Ocean |
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| two continental plates coming together (ex. - India and Asia) |
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| the theory that the continents have moved slowly to their current location |
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| current in mantle that moves overlying tectonic plates (crust) |
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| where two tectonic plates come together (ex. - subduction, continental collision) |
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| where two plates pull/move apart (ex. - seafloor spreading, rift valley) |
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| theory that crust is broken up into sections that move on mantle |
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| two continental plates moving apart |
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| two oceanic plates moving apart |
[image] |
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| theory proposing that magma under crust moves crustal plates apart |
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| denser oceanic plate colliding and going underneath less dense continental plate |
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| tectonic plates move sideways past each other |
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