Sea Level Changes Flashcards
1
Q
Q: What caused higher sea levels in the Mesozoic?
A
A: - No polar ice caps.
Thermal expansion of warm water.
Mid-oceanic volcanism making ocean basins shallower.
2
Q
Q: How high were sea levels during the Mesozoic?
A
A: Up to 250 meters higher than today.
3
Q
Q: How did higher sea levels affect land area?
A
A: Land area decreased, with many regions becoming isolated islands.
4
Q
Q: What was the Western Interior Seaway?
A
A: A massive inland sea during the Late Cretaceous that stretched from the Arctic Ocean to the Gulf of Mexico.
