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KMID : 0385520160290060269
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Analytical Science & Technology
2016 Volume.29 No. 6 p.269 ~ p.276
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Evaluation of the formation and occupation of Gosan-ri archaeological site in Jeju Island using OSL dating
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Kim Myung-Jin
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Abstract
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Gosan-ri site is known as the early Neolithic cultural heritage, in which an archaic plainware, called as the Gosan-ri-type pottery, was excavated regarding as the first pottery manufactured in Korea. In this study, OSL dating was carried out to five soil layer samples collected in stratigraphic cross-section for evaluating the formation and occupation of the Gosan-ri site. Paleodose of each soil sample was calculated using the single aliquot regenerative dose (SAR) method with preheat of 220 o C and finally determined using maximum age model, considering its deposition process. The OSL age was determined from the ratio of paleodose to annual dose rate. From the resultant OSL ages and the related 14C dates, it was concluded that the Gosan-ri site was formed after 9,000 BC and a variety of cultural feature including the Gosan-ri-type pottery were occupied ranging from the early Neolithic to the middle of 4,000 BC. Finally, the Gosan-ri site was discarded in the middle of 4,000 BC and has been arrived at present through natural deposits.
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KEYWORD
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Gosan-ri site, OSL dating, maximum age model, early Neolithic
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