Images for The End of the Dinosaurs
There have been many bad theories to explain dinosaur extinctions. But the most recent work on the KT extinction has centered on two hypotheses that suggest a violent end to the Cretaceous: a large asteroid impact and a giant volcanic eruption.
An Asteroid or Cometary Impact?
Asteroids and Craters
A Giant Volcanic Eruption?
Geology of the K/T Boundary
Page last updated October 24, 2004.
Links checked August 27, 2004.
Images for Chapter 15
Images for Chapter 17
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