Continental Drift YouTube Lecture Handouts
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Continental Drift
Abraham Ortelius in 1596
Alfred Wegener in 1912
“Die Entstehung der Kontinente and Ozeane”
Translated in English in 1924
Plate tectonics theory in 1960՚s
- Alfred Wegener proposed Continental Drift Theory
- Proposed that continents had once joined, and drifted apart.
- Jigsaw fit can be seen from map of soil types below.
Process of Theory
Criticism of Theory
- Lack of a mechanism.
- But had evidence
- Jigsaw fit of the continents
- Coal deposits, commonly associated with tropical climate found near the North Pole
- Plains of Africa would show evidence of glaciation.
- Fossils of exactly the same species were distributed
✍ Manishika