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Petrographic Characteristics and Deterioration Evaluation of the Rock-carved Seated Buddha at Bugmireugam Hermitage in Daeheungsa Temple of Haenam, Korea

해남 대흥사 북미륵암 마애여래좌상의 암석기재적 특성과 손상도 평가

  • Cho, Ji Hyun (Buyeo National Research Institute of Cultural Heritage) ;
  • Lee, Chan Hee (Department of Cultural Heritage Conservation Sciences, Kongju National University)
  • 조지현 (국립부여문화재연구소) ;
  • 이찬희 (공주대학교 문화재보존과학과)
  • Received : 2019.11.12
  • Accepted : 2019.11.28
  • Published : 2019.12.28

Abstract

In this study, we investigated the petrographic characteristics and physical property of the Rock-carved Seated Buddha at Bugmireugam hermitage of Daeheungsa temple in Haenam. The Buddha Statue was carved on micrographic granite, and the rock was composed of the fine quartz encircled by orthoclase. The results of diagnosis for deterioration evaluation have shown a highly damage rate of black contaminants (8.4%) and crack index (6.6). The ultrasonic velocity have detected SW (slightly weathered) grade of weathering coefficient (mean 0.18). Various weathering factor on the surface of the Buddha Statue was affected by precious shelter, and physical property with ultrasonic was directly influenced by the structural characteristics and fissure of host rock.

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