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16 Cards in this Set
- Front
- Back
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Alfredo Wegener |
A German scientist who proposed a hypothesis of continental drift. |
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Pangaea |
Meaning ALL LAND. Or a single super continent. |
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Pangaea broke up... |
...about 200 million years ago into smaller pieces and drifted into their present locations. |
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What similarities were noticed to determine Pangaea was once a super continent? |
Wegener saw similarities on opposite sides of the South Atlantic Ocean. |
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Other evidence of continental drift included... |
...several fossil organisms found on different land masses. |
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What examples does Wegener give for Fossil evidence of continental drift? |
A Mesosaurus fossil remains were limited to eastern South America and southern Africa. |
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During a recent Glacial period scientist believe... |
...the lower sea level allowed animals to cross the Bering Strait between Asia and North America. |
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250 million years ago |
Pangaea consist of all major continents.( Super Continent) |
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200 million years ago |
The rift that created the Atlantic Ocean occurred over a period of time. The first rift developed between North America and Africa. |
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100 million years ago |
Continued drifting of the southern landmasses sent India on a northward journey. |
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50 million years ago |
Australia began to separate from the Antarctic |
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Present time about the continents |
Modern map shows India collided with Asia, creating the Himalayas. |
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Rock evidence of continental drift |
Exist in form of several mountain belts ending on one coast line only to reappear on another landmass/coast line. |
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Wegener job was a.... |
Meteorologists |
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Glacial deposits were found between 220 million and 300 million years ago in a large area of the |
Southern Hemisphere |
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Glacial till were found on... |
...on Southern Africa and South America as well as India and Australia. |
