- 영문명
- Geology and ore deposits of Geoje Dong-A mine
- 발행기관
- 대한자원환경지질학회
- 저자명
- Jong Dae Kim(金鍾大)
- 간행물 정보
- 『자원환경지질』19권 5호, 103~113쪽, 전체 11쪽
- 주제분류
- 자연과학 > 지질학
- 파일형태
- 발행일자
- 1986.10.30
국문 초록
영문 초록
The geology of the mine consists of Cretaceous lower andesitic breccia member, tuffaceous black shale, upper tuffaceous sandstone member and andesitic dike.
Ore bodies are two parallel veins of breccia originated from hydrothermal activity of later acidic igneous intrusion. First two periods of mineralization, gold and silver, and copper, and later copper enrichment was identified. The first two might have been occurred during boiling of hydrothermal solution that formed breccia and copper enrichment was accomplished by enhancement of CO₂ fugacity from the organic material contained in the black shale.
With all the geologic and mineralogic data and inferences attained from other investigators it was estimated that the optimum depth of the ore mineralization was between 500m and 300m below the surface of Kyong-Sang series.
목차
Abstract
序言
地質
鑛床
鑛床의 成因에 대한 考察
結論
參考文獻
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