한국광물학회지 (Journal of the Mineralogical Society of Korea)

  • 제32권4호
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  • Pages.273-285
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  • 2019
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  • 1225-309X(pISSN)
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  • 2288-7172(eISSN)
한국광물학회 (The Mineralogical Society of Korea)
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라오스 홍낭시다 유적 출토 갈유도기와 기와의 원료특성과 제작기술 해석

Interpretation on Raw Material Characteristics and Manufacturing Techniques of Brown-glazed Stonewares and Roof Tiles from Hong Nang Sida Temple, Laos

  • 진홍주 (국립문화재연구소 보존과학연구실) ;
  • 장성윤 (국립문화재연구소 문화재보존과학센터) ;
  • 김수경 (국립문화재연구소 보존과학연구실) ;
  • 이명성 (국립문화재연구소 보존과학연구실) ;
  • 문동혁 (국립문화재연구소 보존과학연구실) ;
  • 전유근 (한국문화재재단 국제교류팀)
  • Jin, Hong Ju (Conservation Science Division, National Research Institute of Cultural Heritage) ;
  • Jang, Sungyoon (Cultural Heritage Conservation Science Center, National Research Institute of Cultural Heritage) ;
  • Kim, Su Kyoung (Conservation Science Division, National Research Institute of Cultural Heritage) ;
  • Lee, Myeong Seong (Conservation Science Division, National Research Institute of Cultural Heritage) ;
  • Moon, Dong Hyeok (Conservation Science Division, National Research Institute of Cultural Heritage) ;
  • Chun, Yu Gun (International Cooperation Team, Korea Cultural Heritage Foundation)
  • 투고 : 2019.11.25
  • 심사 : 2019.12.12
  • 발행 : 2019.12.30
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초록

이 연구는 12세기에 건립된 라오스 홍낭시다 사원에서 출토된 크메르문명 갈유도기와 기와의 물리적 특성, 광물학적 및 지구화학적 분석을 통해 원료물질을 조사하고 제작기술을 해석하고자 하였다. 3점의 갈유도기 유약은 광물이 모두 용융되어 유리질화된 상태이며, 용융제 산화칼슘 함량이 15 % 이상인 전형적인 라임계열이다. 태토의 주구성광물은 석영과 멀라이트, 크리스토발라이트로 동정된다. 기질은 치밀하나 기질의 재결정화가 일어나지 않아 크리스토발라이트가 상전이로 기인한 것이 아닌 화산암 생성토를 원료로 도기를 제작한 영향으로 판단된다. 주사전자현미경 관찰에서 멀라이트가 관찰되어 950 ℃ 이상에서 소성되었을 것으로 판단된다. 한편 6점의 무시유 기와는 외면색상이 적갈색, 회백색, 청회색으로 구분된다. 속심 색상은 외면과 색 계열이 유사하나 청회색 기와는 속심이 적갈색인 샌드위치 구조로 완벽한 환원환경을 경험하지 못한 것으로 판단된다. 무정형 철산화물 노듈이 다수 관찰되고 화학조성이 상당히 유사하여 동일 기반암에서 생성된 원료로 제작되었을 것으로 추정된다. 소성온도는 운모류, 헤르시나이트, 멀라이트 동정에 따라 900 ℃ 이하, 900~950 ℃, 950 ℃ 이상의 세 유형으로 분류된다.

This study is aimed to interpret the raw material characteristics and manufacturing technology through physical, mineral and geochemical analysis of the brown-glazed stonewares and roof tiles excavated from the Hong Nang Sida temple in Laos, which was built in the 12th century. The glaze of brown-glazed stoneware is a typical lime serial with CaO content of more than 15 % and they were vitrified. The body is the combination of quartz, mullite and cristobalite, but had not vitrified texture, and therefore, which is assumed to have been fired more than 950 ℃. Meanwhile, The roof tiles are unglazed and its outer color is reddish brown, whitish grey and bluish grey. The bluish gray tiles has sandwich structure, which seem to experience imperfect reducing environment. The tile samples with a number of amorphous iron oxide nodule had a very similar chemical composition. In conclusion, it is assumed that the clay source was made from raw material produced from the same bedrock. The firing temperature of roof tiles were divided into less than 900 ℃, 900~950 ℃ and greater than 950 ℃ according to detection of micas, hercynite and mullite.

키워드

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