聞慶 南部一帶에 分布하는 白惡紀 花崗岩類의 岩石學 및 岩石化學

• 영문명: Petrology and Petrochemistry of the Cretaceous Granites in the Southern Mungyeong Area
• 발행기관: 대한자원환경지질학회
• 저자명: Hyun Soo Yun(尹顯秀) Seon Eok Kim(金善億)
• 간행물 정보: 『자원환경지질』23권 3호, 343~352쪽, 전체 10쪽
• 주제분류: 자연과학 > 지질학
• 파일형태: PDF
• 발행일자: 1990.06.30

영문 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 426°-456℃ in acqueous conditions. The K/ Ar biotite age shows 72±1 Ma for this grante, corresponding to the igneous activity of the Bulgugsa Disturbance periods in the area. The above results represent that these granite bodies are differentiated from a single magma.

목차

ABSTRACT

序言

一般 地質

白惡紀花崗岩類의 鑛物造成

花崗岩類의 年齡

花崗岩類의 鑛物 및 岩石化學

結論

참고문헌