Journal of Conservation Science (보존과학회지)

The Korean Society Of Conservation Science For Cultural Heritage (한국문화재보존과학회)
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Material Characteristics and Archaeological Scientific Implication of the Bronze Age Potteries from the Cheonan-Asan Area, Korea

천안-아산 지역 청동기시대 무문토기의 재료학적 특성과 고고과학적 의미

  • Lee, Chan Hee (Department of Cultural Heritage Conservation Sciences, Kongju National University) ;
  • Cho, Seon Yeong (Department of Cultural Heritage Conservation Sciences, Kongju National University) ;
  • Eo, Eon Il (Department of Cultural Heritage Conservation Sciences, Kongju National University) ;
  • Kim, Ran Hee (Department of Cultural Heritage Conservation Sciences, Kongju National University)
  • 이찬희 (공주대학교 문화재보존과학과) ;
  • 조선영 (공주대학교 문화재보존과학과) ;
  • 어언일 (공주대학교 문화재보존과학과) ;
  • 김란희 (공주대학교 문화재보존과학과)
  • Received : 2015.02.06
  • Accepted : 2015.03.06
  • Published : 2015.03.20
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Abstract

The excavated potteries and raw clays of the Bronze Age from the archaeological sites in the Cheonan-Asan area were studied on material scientific characteristics and homogeneity. Under the microscope, grainsize of the tempers in the potteries were distributed from less than 1mm to 10mm. Microtexture of the potteries showed various shapes and sizes of pores. In addition to the main minerals such as quartz, feldspar, mica, hornblende, chlorite and talc were found from the X-ray diffraction analysis of potteries, while talc was not found in the raw clay. Therefore, it was considered as an artificially added mineral. Firing temperature of the potteries, which did not contain chlorite, are assumed that they were baked below $850^{\circ}C$. On the other hand, the potteries which had mica and talc, are assumed that they were fired below $900^{\circ}C$. The geochemical characteristics of the potteries and raw clays showed very similar patterns, that means the potteries were produced by using the raw clay sources from each site.

이 연구는 천안-아산 지역 출토 청동기시대 토기편과 고토양을 대상으로 재료과학적 분석을 통해 상호 동질성을 검토한 것이다. 토기편은 현미경하에서 1mm 이하의 세립질 광물에서 10mm 정도의 극조립 광물까지 분급과 원마도가 다양한 비짐들이 혼재되어 있다. 또한 대부분 토기편은 조직의 치밀도가 떨어졌으며 다양한 모양과 크기의 기공이 분포하였다. X-선 회절분석에서는 석영, 장석, 운모, 각섬석, 녹니석과 같은 주구성광물 외에 활석이 동정되었으며, 이 활석은 토양에서는 검출되지 않아 인위적으로 첨가한 물질인 것으로 판단된다. 토기편 중 녹니석이 검출되지 않는 것들은 $850^{\circ}C$ 이하에서 소성되었을 것으로 추정하였으며, 운모 및 활석이 동정된 토기는 $900^{\circ}C$ 이하에서 소성이 완료된 것으로 해석된다. 각 유적의 토기와 토양의 지구화학적 분석결과, 주성분, 미량, 희토류원소의 진화경향이 거의 일치하여 각 유적의 토기는 대부분 유적을 구성하는 고토양을 태토로 이용한 것으로 판단된다.

Keywords

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Cited by

  1. Archaeological Scientific Characteristics of Patternless Pottery with Talc Temper: Baekseokdong Gojaemigol Site in Cheonan, Korea vol.31, pp.2, 2015, https://doi.org/10.12654/JCS.2015.31.2.08
  2. Interpretation on Making Techniques of Some Ancient Ceramic Artifacts from Midwestern Korean Peninsula: Preliminary Study vol.32, pp.2, 2016, https://doi.org/10.12654/JCS.2016.32.2.15