Dealing with outliers and offsets in radiocarbon dating


02-Mar-2016 07:47

All of these Bayesian approaches can be used either for outlier detection and rejection or in a model averaging approach where dates most likely to be outliers are downweighted.Another important subject is the consistent treatment of correlated uncertainties between a set of measurements and the calibration curve.ABSTRACT: Preah Khan of Kompong Svay (Preah Khan) was a vast peripheral outpost of the Angkorian Khmer Empire, man- aged with either strong influence from the capital or semi-autonomously between the 11th and 13th centuries AD.It is believed to have held significant economic importance to the Angkorian elite given its assumed trade partnerships with the neighbouring Kuay hill tribes as well as its proximity to Phnom Dek, or “Iron Mountain”, one of Cambodia's richest known sources of iron oxide.Below are the most common reasons: This site uses cookies to improve performance by remembering that you are logged in when you go from page to page.To provide access without cookies would require the site to create a new session for every page you visit, which slows the system down to an unacceptable level.In particular, there is an assumption that all of the (14)C measurements are correct in their context and that the original (14)C concentration of the sample is properly represented by the calibration curve.

dealing with outliers and offsets in radiocarbon dating-2

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By the mid- late 14th century AD (Stage 2) macrocharcoal levels increase suggesting that Preah Khan's purpose may have shifted as it became increasingly occupied or utilised for iron smelting activity, before it was finally abandoned in Stage 3, approximately half a century before the supposed abandonment of Angkor.

However, the dating of a number of iron metallurgy sites found within the complex placed the heaviest period of industrial activity between the 13th and 17th cen- turies AD — during the decline of the Angkorian period and beyond into Cambodia's Middle Period.



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