At the end of the Cretaceous (K/T boundary) what unusual geologic phenomenon occurred that has been linked to mass extinction and the end of the dinosaurs?

Question

Quizplus · Accepted Answer

The end of the Cretaceous period is marked by a significant event where a meteor impact occurred on the Yucatan Peninsula, creating the Chicxulub crater. This event is widely accepted as a major cause of the mass extinction that led to the demise of the dinosaurs and many other species.

At the End of the Cretaceous (K/T Boundary) What Unusual