npsm 새물리 New Physics : Sae Mulli

pISSN 0374-4914 eISSN 2289-0041
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Article

Research Paper

New Phys.: Sae Mulli 2020; 70: 539-546

Published online June 30, 2020 https://doi.org/10.3938/NPSM.70.539

Copyright © New Physics: Sae Mulli.

Restoration of Human Activity in the Archaeological site Using Absolute Dating

Myung-Jin KIM*

Archaeological Science Institute, RADPION Inc., Daejeon 34013, Korea

Correspondence to:nwdang@archaeometry.kr

Received: March 16, 2020; Revised: April 27, 2020; Accepted: May 7, 2020

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

We first used radiocarbon dating, TL/OSL dating and archaeo-magnetic dating to calculate the absolute chronology of various objects excavated from the Gyesil-ri archaeological site at Gongju. After we had summarized the probability density of all absolute chronologies of each object by using the KDE model performed a peak deconvolution with a normal distribution, and found that human activity first occurred at the Gyesil-ri site in 840 $\pm$ 160 AD (1$\sigma$ SD) and continued from 1,250 $\pm$ 160 AD (1$\sigma$ SD) to 1,670 $\pm$ 180 AD (1$\sigma$ SD). Those periods correspond to the Unified Silla, Goryeo dynasty and late Chosun dynasty, respectively. Within the Gyesil-ri site, the objects related to metallic works, including the slag layer in the late Chosun dynasty period were located perpendicular to the contour lines, which means that the metallic works were carried out at higher places in the Gyesil-ri site and that slag, as well as other residuals, were naturally discarded in lower places.

Keywords: Gyesil-ri archaeological site, Human activity, Radiocarbon dating, TL/OSL dating, Archaeo-magnetic dating

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