Continental Drift - Lesson 9 - Part 4 of 7 |
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Part 4 Planet of Man -- Beyond a doubt - revolution 9-Part4
Tuzo Wilson •Scientists are still puzzled at what drives the continents •Alfred Wegner died in 1930 in Greenland. A year later his body was found and he died of exhaustion. .............................. Today, continental theory is superseded by plate tectonics. Continental drift treated only the continents as jigsaw puzzle whereas plate tectonics treats the continents, oceans and the earth's crust as pieces of jigsaw puzzle. These segments are a flashback to part of the development of the current theory |