Potassium-Argon Dating (Subscribe)
Links
Potassium-Argon Dating
http://id-archserve.ucsb.edu/Anth3/Courseware/Chronology/09_Potassium_Argon_Dating.html
Multimedia introduction.
Dating the Destruction of Pompeii
http://www.berkeley.edu/news/media/releases/97legacy/pompeii.html
News release from the University of California at Berkeley.