常隱鑛山의 Au-Ag 鑛脈의 鑛物 共生 및 化學組成

• 영문명: Mineral paragenesis and chemical composition of Sangeun Au-Ag ore vein, Korea
• 발행기관: 대한자원환경지질학회
• 저자명: Moon Young Kim(金炆 榮) Hong Ja Shin(申虹子) Jong Hwan Kim(金鍾煥)
• 간행물 정보: 『자원환경지질』24권 4호, 347~361쪽, 전체 15쪽
• 주제분류: 자연과학 > 지질학
• 파일형태: PDF
• 발행일자: 1991.08.30

영문 초록

The Sangeun ore deposit is located in a volcanic belt within the Gyeongsang Basin in south western Korea. The ore deposit is of representative epithermal Au-Ag quartz vein type developed in lapilli tuff. This paper presents the mineralization with special emphasis on mineral zoning of the deposits. Principal points are summarized as follows: (1) Four stages of mineralization are recognized based on macrostructures. From ealier to later they are stage Ⅰ(arsenopyrite-pyrite-quartz), stage Ⅱ(Au-Ag bearing Pb-Zn-quartz), stage Ⅲ(barren quartz), and stage Ⅳ(dickite-quartz). (2) Electrum principally occurs with arsenopyrite and galena in stage Ⅱ, and has chemical compositions of 72.9-67.1 Ag atom %, and has Ag/Au ratio of 2.69-2.04. (3) Sphalerite varies in its FeS content according to the mineralization stages; 22.03-18.60 mole % FeS and 1.33-0.23 mole % MnS in stage IB, 16.11-8.64 mole % FeS and 1.33-0.23 mole % MnS in stage Ⅱ. (4) Alteration zones of mineral assemblage, from the vein to the wall-rock, consist of sericite-quartz-pyrite, sericite-quartz-dickite, sericite-chlorite plagioclase respectively.

목차

ABSTRACT

序論

鑛山地域의 地質 및 鑛床槪要

鑛化時期와 鑛化作用의 特徵

鑛石鑛物의 産狀 및 鑛物共生

變質帶및 變質鑛物

閃亞鉛石의 化學 組成

考察 및 結論

參考文獻