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Chronometric Dating: Archaeological Events and the Interpretation of Radiocarbon Dates

NOTE (March 6, 2023): I just released a new version of this video because OxCal has changed its interface, rendering my instructions for how to use OxCal for calibration and Bayesian modelling obsolete. I also made some other improvements. New version of video:    • Secrets of Archaeological Dating: How...   Today, radiocarbon dating is the most important tool for archaeological chronology of the last 50,000 years and is applicable to a wide range of organic materials. However, the interpretation of radiocarbon evidence is not always simple. In this video, I discuss what constitute potentially datable events, how a radiocarbon date might relate to an archaeologically interesting "target event," and how we can conceptualize dating errors that result when the dated event is not really the same as the target event. I then briefly discuss radiocarbon calibration and demonstrate, with some simple examples, the use of Bayesian modelling in OxCal to interpret sets of dates that fall into three distinct periods, and to explore how the events that mark the beginnings or ends of periods relate to other dated events, such as rapid climate events. At the end, I outline some basic good habits in the reporting of radiocarbon evidence. The following provide more information on radiocarbon dating and the programs OxCal and BCal. For technical aspects and AMS dating:    • Dating - the Radiocarbon Way   Lecture by Derek Hamilton on Bayesian modelling:    • Radiocarbon dating and Bayesian chron...   The OxCal site: https://c14.arch.ox.ac.uk/oxcal.html OxCal Workbook 1 (no sound):    • Exercise 1. OxCal Workbook_Calibratin...   OxCal Exercise 5.1 - Contiguous Phases (no sound):    • Exercise 5.1. OxCal Woorkbook_ Contig...   Sheffield's BCal site (this is a very user-friendly alternative to OxCal, with many of the same features): https://bcal.shef.ac.uk/ And, since stratigraphy is very important in radiocarbon interpretation:    • Archaeological Stratigraphy   Finally, here is some introduction to Bayesian thinking more generally:    • How Bayes Theorem works      • Introduction to Bayesian data analysi...      • A visual guide to Bayesian thinking