Post Tagged with: "Ordovician Period"

Looking for the Shock that Changed the Rock

Breccia sample from the Howell Structure in Tennessee (Milam)

When geologists wanted to test drilling equipment for an Apollo mission in the 1960s, they used a crater in Tennessee. Fifty years later, those samples are providing Dr. Keith Milam a look back into a ancient time when meteorites pummeled the Earth. “Back when Wisconsin and western Russia once shared […]

Read more ›
November 4, 2014 at 2:23 pmFaculty in the News In the News Research