Impactites and Diamonds in the Popigai Crater
September 18, 2012 | Geology.com
In an article on impact breccia, Geoffrey Notkin reports on impact breccia anddiamonds found in... Greenland: Earth’s Oldest Impact Crater
July 2, 2012 | New Scientist
A deeply eroded impact crater on the western coast of Greenland is now thought to... South Africa Energy Review
January 22, 2013 | Energy Information Administration
"Most of the oil consumed in South Africa, used mainly in the transportation sector, is... The Extinction Before the Dinosaurs
March 26, 2013 | National Science Foundation
"More than 200 million years ago, a massive extinction decimated 76 percent of marine and... Colorado Impact Crater?
March 31, 2013 | Colorado Geological Survey on Facebook
The Colorado Geological Survey shares a aerial photo of a bowl-shaped feature with a distinct... East Africa Oil and Gas Assessment
June 27, 2012 | USGS
Significant natural gas discoveries have occurred off the coast of east Africa. USGS has... Decorah Impact Structure
March 18, 2013 | University of Iowa
"Recent airborne geophysical surveys near Decorah, Iowa are providing an unprecedented look at a 470-... Survey of Potentially Hazardous Asteroids
May 18, 2012 | NASA
"Potentially hazardous asteroids, or PHAs, are a subset of the larger group of near-Earth asteroids.... | 
