Thanks a Lot, Erwin
In 1941, the talented cartographer Erwin Raisz of Harvard University's Institute of Geographical Exploration published a map showing the...
Are dates on carbonate cements in Pasco Basin regionally relevant?
Uranium-thorium is a radiometric technique for dating carbonates. Paces (2014) estimated the ages of secondary carbonate cements in the...
Megaflood Movie Grip
In the summer of 2008, a movie producer with National Geographic called me from England. They needed me right away. To be clear, they...