USGS · 70012479
Temperature calibration of amino acid racemization: Age implications for the Yuha skeleton
Abstract
D/L of aspartic acid ranged from 0.52 to 0.56 for femur samples of the Yuha skeleton. Subsurface temperature measurements made at the burial site indicate average annual temperature is 18°C and diagenetic temperature is 21.6°C. These data and a relation derived for the dependence of the aspartic acid rate constant on diagenetic temperature indicate an age of 23,600. The result is consistent with 14 C and 230 Th dating of calcrete found coating the bones.
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J. L. Bischoff, W.M. Childers. 1979. Temperature calibration of amino acid racemization: Age implications for the Yuha skeleton. https://doi.org/10.1016/0012-821x(79)90118-3
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