ORE CONTROLLING MODE AND STRUCTURES OF ZHAISHANG GOLD DEPOSIT IN MINXIAN, GANSU PROVINCE
Author(s): Wang Zeng-tao, Wang Jian-zhong
Pages: 9-17
Year: 2015 Issue: 1
Journal: Geology of Shaanxi
Keyword: 寨上; 构造序列; 构造控矿模式;
Abstract: 寨上金矿床属于断裂与褶皱联合控矿.矿区先后经历了区域变形作用、宽缓褶皱变形期、共轴紧闭挤压变形期、韧—脆性非共轴挤压变形期、晚期脆性变形期五个阶段.前三个阶段构造与成矿关系不大,属控岩构造,是后两期成矿构造发育的前提.第四阶段是构造热液成矿阶段(控矿构造),最后阶段形成的构造,对矿体起错断破坏和富集的双重作用.
Pages: 9-17
Year: 2015 Issue: 1
Journal: Geology of Shaanxi
Keyword: 寨上; 构造序列; 构造控矿模式;
Abstract: 寨上金矿床属于断裂与褶皱联合控矿.矿区先后经历了区域变形作用、宽缓褶皱变形期、共轴紧闭挤压变形期、韧—脆性非共轴挤压变形期、晚期脆性变形期五个阶段.前三个阶段构造与成矿关系不大,属控岩构造,是后两期成矿构造发育的前提.第四阶段是构造热液成矿阶段(控矿构造),最后阶段形成的构造,对矿体起错断破坏和富集的双重作用.
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