전암대자율 특성과 SHRIMP 저어콘 U-Pb 연대 측정을 통한 국내 석재와 중국 유사 석재의 비교 연구

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김건기;좌용주;홍세선;이기욱
Kim, Kun-Ki;Jwa, Yong-Joo;Hong, Sei-Sun;Lee, Ki-Wook

  • 투고 : 2015.07.27
  • 심사 : 2015.08.12
  • 발행 : 2015.09.30

초록

이 연구는 석재의 암석학적 특징과 전암대자율 특성을 이용하여 국내 석재와 중국 유사 석재를 구별할 수 있는 방법을 제안하고자 한다. 또한 국내에서 가장 많이 사용되고 있는 석재와 중국 유사 석재에 대하여 저어콘 U-Pb 연대를 측정하여 관입시기를 비교하여 추가적인 구별 기준을 제시하고자 하였다. 암석학적 특징을 비교한 결과, 현미경하에서 광물조성과 조직의 차이를 보이는 마천석과 보령석을 제외하고, 색상, 조직, 그리고 광물조성에서 국내석재와 중국 석재는 거의 유사한 특징을 보인다. 전암대자율 측정결과, 고흥석, 익산석, 포천석은 중국석재와 유사하며, 다른 석재들은 전암대자율 측정을 통해 쉽게 구별된다. 거창석, 익산석, 그리고 포천석의 저어콘 U-Pb 연대측정 결과 쥐라기 화강암에 해당하며, 중국 유사 석재인 G603, G633, G655은 백악기 화강암에 해당한다. 따라서 이들은 연대측정 결과로 쉽게 판별할 수 있다.

키워드

석재;전암대자율;저어콘 U-Pb 연대

참고문헌

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피인용 문헌

  1. 1. Editorial : 2015, Applied petrology: Dimension stone, Aggregate, Stone cultural heritage vol.24, pp.3, 2015, doi:10.7854/JPSK.2015.24.3.273

과제정보

연구 과제 주관 기관 : 한국석재공업협동조합