Multiple papers have been published both supporting and opposing the criticism. Liquid scintillation counting is another radiocarbon dating technique that was popular in the s. Chronostratigraphy Geochronology Isotope geochemistry Law of superposition Luminescence dating Samarium—neodymium dating.
Main article: Calculation of radiocarbon dates. It provides more accurate dating within sites than previous methods, which usually derived either from stratigraphy or from typologies e.
In such small amounts, C is very difficult to measure and it is also very sensitive to contamination. In photosynthetic pathways 12 C is absorbed slightly more easily than 13 C , which in turn is more easily absorbed than 14 C. This method is known as radiometric dating. For example, a wooden object that remains in use for a lengthy period will have an apparent age greater than the actual age of the context in which it is deposited.
More broadly, the success of radiocarbon dating stimulated interest in analytical and statistical approaches to archaeological data. Every reversal looks the same in the rock record, so other lines of evidence are needed to correlate the site to the GPTS.