Plate Tectonics Flashcards
1
Q
What is the suggested theory on tectonics?
A
Continental Drift by Alfred Wegener
2
Q
What are the main points on Continental Drift?
A
- Could fit together like a Jigsaw
- Similarities in rock format on either side of the Atlantic Ocean
- Fossils Fuels in wrong places
3
Q
Why was the Continental Drift not accepted?
A
Because he could not suggest any mechanism
4
Q
What was the later evidence of Continental Drift?
A
- Ocean floor was no older than 175 million yrs, yet rocks on land was several billion years
- Rock younger in ocean than land
