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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