金瓜石鉱床について
特に鉱床と裂この形態について
1966 年 16 巻 76-77 号 p. 150-157
詳細
1966 年 16 巻 76-77 号 p. 150-157
The Chin-kua-shih mine is the greatest golc-copper deposits in the northeastern part of Taiwan. The ore deposits are of hydrothermal fissure-filling and replacement type occurring in sedimentary rocks and dacite of Miocene age, Tertiary. The main factors controlling localization of the Chin-kua-shih ore deposits are the N-S fault fractures, bedding faults, intrusive dacite, brecciated contacts between dacite and other rocks, lithologic characters, etc. In this report, the srtuctural controls on the formation of the main ore body in the Chin-kua-shih ore deposits are described and discussed especially in view of the relationships between dacite intrusions and fractures.
