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영산읍성 성벽에 사용된 암석 부재들의 암석학적 연구 및 산지추정

Petrological Study and Provenance Estimation on the Stone Materials from the Rampart of the Yeongsan-eupseong

  • 문성우 (경상대학교 지구환경과학과 및 기초과학연구소) ;
  • 김민지 (경상대학교 지구환경과학과 및 기초과학연구소) ;
  • 김진주 (경상대학교 지구환경과학과 및 기초과학연구소) ;
  • 좌용주 (경상대학교 지구환경과학과 및 기초과학연구소)
  • Moon, Sung Woo (Department of Earth & Environmental Sciences and Research Institute of Natural Sciences, Gyeongsang National University) ;
  • Kim, Min Ji (Department of Earth & Environmental Sciences and Research Institute of Natural Sciences, Gyeongsang National University) ;
  • Kim, Jin Ju (Department of Earth & Environmental Sciences and Research Institute of Natural Sciences, Gyeongsang National University) ;
  • Jwa, Yong-Joo (Department of Earth & Environmental Sciences and Research Institute of Natural Sciences, Gyeongsang National University)
  • 투고 : 2014.11.28
  • 심사 : 2014.12.16
  • 발행 : 2014.12.31

초록

영산읍성은 창녕군 영산면 성내리에 위치해 있으며, 읍성의 성벽에 사용된 암석 부재를 대상으로 암석학적 연구를 실시하고 산지추정을 함으로써 복원을 위한 기초 자료를 제공하고자 한다. 성벽의 암석 부재는 주로 안산암류, 화강암류, 퇴적암류로 구성되어 있음이 밝혀졌다. 잔존 성벽의 경우 복원 구간을 제외하고 대부분의 구간에서 안산암류가 우세하게 나타나지만, 복원 구간에서는 화강암류가 우세하게 나타난다. 안산암류의 원산지는 대부분 작약산 안산암으로 판단되고, 일부 주산 안산암이 발견된다. 화강암류 중 보존되어 있는 원래 암석의 산지는 인근 지역의 화강반암 암체로 판단되나, 복원에 사용된 된 암석은 이와 다르게 흑운모 화강암으로 나타났다. 퇴적암류의 산지는 읍성 주변에 분포하는 퇴적암 지층으로, 대부분 열변성을 받아 혼펠스화 되어있다.

Yeongsan-eupseong is located at Seongnae-ri, Yeongsan-myeon, Changnyeong-gun, Korea. We investigated the petrological features of the stone materials used for the rampart, and estimated their provenances. The stone materials consist of andesitic rocks, granitic rocks and sedimentary rocks. In the preserved rampart the andesitic rocks are relatively abundant, whereas the large number of granitic rocks are used for restoration. Chaeyaksan andesite and Chusan andesite are thought to be the source for the andesitic rocks. The original granitic rocks are of granite porphyry, and are likely to have been delivered from the near granite porphyry outcrops. On the other hand the granitic rocks used for restoration are classified to be biotite granite. The sedimentary rocks show thermally metamorphosed feature and changed to hornfels. The source for the hornfels is the contact area between the sedimentary rocks and granitic rocks near the Yeongsan-eupseong.

키워드

참고문헌

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피인용 문헌

  1. Analysis of Ancient Document and Establishment of Petrological Database for Presumption of Stone Source Area of the Seoul City Wall, Korea vol.24, pp.3, 2015, https://doi.org/10.7854/JPSK.2015.24.3.193
  2. Petrological study and Provenance estimation on the stone materials from the Jeolla Usuyeong Rampart, the Republic of Korea vol.39, pp.3, 2018, https://doi.org/10.5467/JKESS.2018.39.3.250