By the "KT Boundary," I think he is referring to the line between the Cretaceous and Tertiary periods. Paleontology reference.
Jon <snip> What is a "KT boundary" (guess I'm too young to know)? </snip> ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
