Drilling Into the Chicxulub Crater, Ground Zero of the Dinosaur Extinction
Drilling Into the Chicxulub Crater, Ground Zero of the Dinosaur Extinction. NYT. By studying hills that formed after an asteroid struck the Yucatán Peninsula, researchers found that materials deep in Earth’s crust were brought toward the surface.
Rock layers near Jordan, Mont., exposing the level (lower arrow) where the dinosaurs and many other animals and plants went extinct. The arrows point to coal beds which contain thin volcanic ash layers that were dated.
The Son In Italy - Dinosaur Extinction - Prehistoric Life