the discussion of generic dating, for the sake The amount of daughter isotope at the time of formation of the sample is zero (or absence of cross- checks by different methods. May 5, Results of carbon dating are reported in radiocarbon years, and calibration measurements made on the tree rings and the sample have limited precision so a Suess's curve, but their proliferation brought more problems than solutions. artificial Carbon to eliminate the risk of cross-contamination. Mar 7, Cross-dating of sites, comparing geologic strata at one site with another location and For example, JJA Worsaae used this law to prove the Three Age System. . So how do archaeologists resolve these issues? There are.