Age determination of the human bones in the Three Kingdoms period excavated from the Kofun in the Korean peninsula by chemical analysis and carbon dating

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The purpose of this study establish the time scale in the Early and Middle of the Kofun period by measuring the carbon 14 analysis about the human bone where excavated from the burial mound in the Korean peninsula. We measured approximately 150 samples in the Yeongnam province from the third century to the sixth century.As the condition of the collagen was bad in the human bone, we can't measure many analysis. The data was restrictive in the fifth century. In addition, it was old than 100 years when it calibrated by the IntCal13 about the human bone in the third century to the fourth century. We understand the carbon 14 analysis was effectively in the timescale in the Kofun period too.