암석학회지 (The Journal of the Petrological Society of Korea)

한국암석학회 (The Petrological Society of Korea)
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화강암류의 성인 해석에 대한 마그네슘 동위원소 자료의 활용

Use of Magnesium Stable Isotope Signatures for the Petrogenetic Interpretation of Granitic Rocks

  • 정창식 (한국기초과학지원연구원 환경과학연구부) ;
  • 류종식 (한국기초과학지원연구원 환경과학연구부)
  • Cheong, Chang-Sik (Division of Earth and Environmental Sciences, Korea Basic Science Institute) ;
  • Ryu, Jong-Sik (Division of Earth and Environmental Sciences, Korea Basic Science Institute)
  • 투고 : 2014.06.17
  • 심사 : 2014.08.05
  • 발행 : 2014.09.30
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초록

최근 분석법의 발달에 따라 금속 안정동위원소의 지질학적인 활용이 두드러지고 있다. 이 논평에서는 Mg 동위원소 분석 자료를 화강암류의 성인 해석에 활용하는 원리와 분석 방법, 적용의 예를 소개한다. 먼저 Mg 동위원소가 분별되는 원리를 설명하고 다검출기 유도결합 플라즈마 질량분석기를 활용한 분석 방법을 기술하며 마지막으로 북미 서해안과 호주, 중국의 I형, S형, A형 화강암에 대한 최근의 적용 사례를 살펴볼 것이다.

With the advent of multi collector-inductively coupled plasma mass spectrometry, stable isotopic variations of non-traditional metal elements have provided important constraints on the sources of geologic materials. This review introduces the principles of magnesium isotopic fractionation and analytical methods. Recent case studies are also reviewed for the use of magnesium isotope signatures to decipher the source materials of I-, S-, and A-type granitoids in western North America, Australia, and China.

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