Term
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Definition
| Continents drifted to current locate (from Pangea) |
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Term
| Who introduced the Continental Drift? |
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Definition
| Proposed by Wegener (1912) |
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Term
| What were the problems with the theory of the Continental Drift? |
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Definition
1. No proof
2. No explanation how it happened |
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Term
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Definition
| Similar plant and animal fossils found on both sides of the Atlantic Ocean |
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Term
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Definition
1. Glacial evidence in warmer climates
2. Fossils of ferns in cold climates |
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Term
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Definition
| Similar rock types found on both sides of the Atlantic Ocean |
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Term
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Definition
| Molten rock pushed through at Mid-Atlantic Ridge |
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Term
| Who was the scientist who proposed the seafloor spreading? |
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Definition
| Proposed by Hess (1960's) |
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Term
| Proof of the seafloor spreading |
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Definition
1. Newer rocks near Mid-Atlantic Ridge
2. Magnetic clues in rocks |
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Term
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Definition
| Crustal sections (plates) move around on the mantle |
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Term
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Definition
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Term
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Definition
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Term
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Definition
Two continental (less dense) plates (ex.- India & Asia
-Forms Mountains |
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Term
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Definition
| Denser oceanic plate goes under less dense continental plate (ex.- California Coast) |
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Term
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Definition
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Term
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Definition
| Two oceanic plates move apart (ex.-Mid- Atlantic Ridge) |
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Term
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Definition
| Two continental plates move apart (ex.- E. African Rift Valley) |
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Term
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Definition
| Plates slide by each other (ex.- San Andres Fault (California) |
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