View Single Post
Old 10-05-2006, 01:33 PM   #9
joepole
SBLive! Veteran
 
Join Date: Sep 2006
Posts: 1,606
Rep Power: 179 joepole has much to be proud of joepole has much to be proud of joepole has much to be proud of joepole has much to be proud of joepole has much to be proud of joepole has much to be proud of joepole has much to be proud of joepole has much to be proud of joepole has much to be proud of
Dating for millions of years

Uranium-based techniques (Uranium-Thorium or Uranium-Lead) are good for old atrifacts, but aren't always doable.

Google "geochronology" for more info.

http://en.wikipedia.org/wiki/Geochronology
joepole is offline   Reply With Quote