University of North Carolina
University of North Carolina: Radiometric Dating
A huge site from The University of North Carolina regarding radiometric dating, how it works, inaccurate methods, Carbon-14 dating, and lots more.
Talk Origins Archive
Talk Origins Archive: Radiometric Dating and the Geological Time Scale
A lengthy article with lots of information about radiometric dating, including pictures and charts.
CK-12 Foundation
Ck 12: Earth Science: Radiometric Dating
[Free Registration/Login may be required to access all resource tools.] Elaborates on radioactive decay as a tool for determining the age of certain minerals and other materials, including the limits of the technique.
Science Struck
Science Struck: How Does Carbon 14 Dating Work?
Learn about carbon-14 dating and how it works.