NEW DATING METHOD FOR MILLION-YEAR-OLD FOSSILS — A new radioactive dating method promises to close one of the major remaining gaps in methods of fixing dates on the geological and archaeological time scales. The new procedure, based on radioactive inequality in nature between uranium-234 and its parent U-238, was originated by David Turber of Columbia’s Lamont Geological Observatory at Palisades, N.Y.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.