See a Mile of the Earth�s Crust from the Chesapeake Bay Impact Crater

See a Mile of the Earth's Crust from the Chesapeake Bay Impact Crater: "Ever wondered what a mile-long piece of the Earth's crust looks like? Last fall, a team of scientists drilled into one of the most amazing geologic structures known. This core tells the story of 35 million years ago, when a meteorite 1.5 miles wide, traveling at hypersonic speed, smashed into the Earth's crust and created the Chesapeake Bay Impact Crater."