In short, we are getting better at this since Anderson and Libby; Anderson, E. C., W. F. Libby, S. Weinhouse, A. F. Reid, A. D. Kirshenbaum, and A. V.Grosse.jkilmon_2000
Hi Jack There is enhanced AMS which is producing relatively accurate results for 50-60kya but must be used in conjunction with other dating methods if up tomikearchaeology
There are no attempts to date any biological over 50KY BP given the half-life of the carbon isotope. That's where other isotopes come in.jkilmon_2000
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