But that's not the case on the Yellowstone to Yosemite by Rail train trip with Railbookers. It not only links the two ...

The 700–1,300 feet-wide space rock deformed rocks more than six miles from the impact site when it hit 600 million years ago.

John Wesley Powell A professor of geology at Illinois Wesleyan ... This layer of rock, known as the Redwall Limestone, forms a sheer cliff 500 ft high or more in most areas.