Plate Tectonics Evidence

John Beinkampen

Continental Drift

The movement of the continents across the earth's surface through time. The continents were once joined as one.
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Fossil Evidence

Fossils are clues that have been left behind by living things.
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Rock Evidence

any remains, impression, or trace of a living thing of a former geologic age, as a skeleton, footprin
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Plate Tectonics

Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle, the rocky inner layer above the core.

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Seafloor Spreading

  1. the formation of new areas of oceanic crust, which occurs through the upwelling of magma at midocean ridges and its subsequent outward movement on either side.




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Earthquake and Volcano Mapping

A map of the continents inspired Wegener's quest to explain Earth's geologic history

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Hot Spots

Hot spots are not close to plate boundaries like most volcanoes, which leads scientists to believe the the hot spot stays in one place while the plate moves over it.

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