자원환경지질 (Economic and Environmental Geology)
- 제23권3호
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- Pages.343-352
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- 1990
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- 1225-7281(pISSN)
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- 2288-7962(eISSN)
문경(聞慶) 남부일대(南部一帶)에 분포(分布)하는 백악기(白惡紀) 화남암류(花南岩類)의 암석학(岩石學) 및 암석화학(岩石化學)
Petrology and Petrochemistry of the Cretaceous Granites in the Southern Mungyeong Area
- Yun, Hyun Soo (Korea Institute of Energy and Resources) ;
- Kim, Seon Eok (Korea Institute of Energy and Resources)
- 발행 : 1990.06.30
초록
The Cretaceous granites are widely distributed in the studied area, Mungyeong-Sangju, which belongs to the southwestern part of the Ogcheon Folded Belt. The granites are characterized by medium-coarse grained, spotted miaroles, partly flow textures of biotite, aplitic dykes and pegmatitic pockets with druse. From the major compositions, the granites indicate peraluminous, calc-alkaline, salic and late stage products of differentiation. In the view of normative compositions of Qz-Ab-Or and perthitic alkali feldspar, they were formed under 1-4kb and
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