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8 Cards in this Set
- Front
- Back
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Early mapmakers thought continents might have moved, based on... |
Matching coastlines |
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To support his hypothesis of continental drift, Alfred Wegener used... |
Climate, reptile, fern, and rock data |
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Coal beds in Antarctica indicated to Wegener that Antarctica was... |
once located closer to the equator. |
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Based on glacial deposits he observed, Wegener argued that... |
Landmasses drifted away from the south pole |
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The age of the oldest ocean floor rocks |
3.8 billion years |
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Magnetic patterns are mirror images of each other on either side of... |
Ocean ridges |
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The result when two oceanic plates converge and one is subducted into the mantle |
Melted magma erupts and forms an arc of islands |
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The result when an oceanic plate converges with a continental plate |
A trench and a mountain range with many volcanoes |
