Short communication: A linear regression model for amino acid dating of Bithynia opercula from deep-core material

Estimating numerical ages from the extent of amino acid racemisation observed in fossil biominerals has been the aim of many researchers in the field of amino acid geochronology. Here, the use of temperature profiles and independent age estimates to build a linear regression model for IcPD with uncertainty calculated using a Bayesian approach is explored. This work presents a pilot study to test the potential of this methodology and determine what next steps need to be taken to make this a viable approach to produce numerical ages from IcPD data. To progress this work, a comprehensive study of the sources of uncertainty in the model needs to be made.

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Publication Details

Journal
Geochronology
Published
2026-11-11
DOI
https://doi.org/10.5194/gchron-8-711-2026
Primary Topic
Archaeology and ancient environmental studies
Type
article
Field-Weighted Citation Impact
0.00

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article

Short communication: A linear regression model for amino acid dating of Bithynia opercula from deep-core material

José Andrés Christen, Eric Nelson
1 links
Geochronology
Archaeology and ancient environmental studies
article

Short communication: A linear regression model for amino acid dating of Bithynia opercula from deep-core material

José Andrés Christen, Eric Nelson
article en

Abstract

Estimating numerical ages from the extent of amino acid racemisation observed in fossil biominerals has been the aim of many researchers in the field of amino acid geochronology. Here, the use of temperature profiles and independent age estimates to build a linear regression model for IcPD with uncertainty calculated using a Bayesian approach is explored. This work presents a pilot study to test the potential of this methodology and determine what next steps need to be taken to make this a viable approach to produce numerical ages from IcPD data. To progress this work, a comprehensive study of the sources of uncertainty in the model needs to be made.

GeochronologyVol. 8(4)
Mathematics Research Center (MX), Secretaría de Ciencia, Humanidades, Tecnología e Innovación (MX), University of York (GB)
Office of Naval Research Global, HORIZON EUROPE European Research Council
Archaeology and ancient environmental studies
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