• Title/Summary/Keyword: 기와가마

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Archaeomagnetic Study on Roof Tile Kilns of Goryeo Period in Gyeonggi Region (경기지역 고려시대 기와가마에 대한 고고지자기학적 연구)

  • Sung, Hyong Mi
    • Journal of Conservation Science
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    • v.32 no.1
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    • pp.1-10
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    • 2016
  • At the archaeological site, there are a variety of fired soil remains with which archaeomagnetic dating is measured, and there are also different kinds of kilns equipped with favorable plasticity conditions, so quality data can be gained. Among them, roof tile kilns indicate fairly great results of archaeomagnetic measuring. This should be associated with the properties of soil consisting of the kilns. With a lot of experimental results, it has been found that the fired soil samples of roof tile kilns have formed very stable residual magnetization. This author conducted archaeomagnetic research to present archaeomagnetic results of measuring about roof tile kilns from Goryeo in Gyeonggi. With the archaeomagnetic data of measuring 21 samples, this researcher tried to estimate the archaeomagnetic dating of roof tile kilns from Goryeo in Gyeonggi and divided them into three groups, group A (A.D.900~1150), group B (A.D.1150~1250), and group C (A.D.1300~1400) to figure out their relative order and arrange them in order. Through this kind of archaeomagnetic research, it will be possible to identify the dating of 21 roof tile kilns from Goryeo in Gyeonggi and also contribute considerably to chronological research on roof tile kilns from Goryeo. In the body, the remains and kilns belonging to each group are presented in detail.

Identification and Physical Characteristics of the Ancient Charcoals Excavated from Chudong-ri Site, Korea (서천 추동리 문화유적에서 채취된 숯의 수종식별과 물리적 특성)

  • Kim, Myung-Jin;Lee, Jong-Shin;Park, Soon-Bal
    • Journal of Conservation Science
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    • v.24
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    • pp.13-22
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    • 2008
  • The identification of species, hygroscopic property, and ability of ethylene gas absorption of 23 ancient charcoals excavated from wooden coffin burials and roof-tile kilns of Chudong-ri cultural site were investigated. All of the 12 charcoals excavated from wooden coffin burials were broad-leaved trees. Among the total 12 samples, 9 samples were Lepidobalanus and others were Celtis spp.. On the other hand, other 11 charcoals from roof-tile kilns were needle-leaved tree, Pinus spp.(hard pine). The broad-leaved tree charcoals from wooden coffin burials showed a higher moisture absorption capacity than needle-leaved tree charcoals from roof-tile kilns. The ethylene gas absorption was greater in the Lepidobalanus charcoal than that of Celtis spp. and Pinus spp. (hard pine) charcoal. The broad-leaved tree charcoal having high absorption ability of substances was due to a large microporous and specific surface area. Therefore, it was estimated that broad-leaved tree charcoals were filled in order to make favorable condition in tomb. The wood quality of pine is soft and easy to burn because of low specific gravity, as well as high calorific value by resin in wood. We could assume that the pine wood was used as fuel for roof-tile kilns because of easy control of heating and thermal power.

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