Four metallogenetic epochs occurred in different tectonic environments during the evolution of the Northern Qilian metallogenetic province through geological time.
北祁连金属成矿省在地质历史演化过程的不同构造环境内形成了四个主要金属成矿幕。
2
Metallogenic series of ore deposits that could occur repeatedly in different epochs and different tectonic units are named metallogenic series types of ore deposits.
研究认为在不同时代、不同地质构造单元中重复出现的矿床成矿系列，可称为矿床成矿系列类型。
3
This suggests that the typical rapakivi texture can be formed in various epochs and different tectonic Settings.