Free adult dating sites all access no upgrades no credit cards - What is the definition of radioactive dating
Over the course of the development of this site, I have come upon and linked to many other sites containing interesting and related information.
Sometimes in checking links, I find that those sites have disappeared.
Radioactive Elements in Glass Thorium is derived commercially from certain monazite sands (e.g., from India).
Thorium is radioactive itself, emitting alpha particles.
Notes: The site still exists, but many of the pages seem to be no longer maintained and available and I have not been able to reach the original site developer, Robert Monaghan, who collected and edited the following information from use net postings.