Big different between 50,000 years and billions of years, right?
Right. For older materials you can't use radiocarbon, but must use other methods of radiometric dating. Those are the ones which place the earth at about 4.5 billion year old.
116 posted on 10/23/2005 11:52:59 AM PDT by Coyoteman
(I love the sound of beta decay in the morning!)