During ealy-middle Silurian, episodic-fluid activity produced albite rock, barite rock, ferruginous carbonate rock, siliceous rock and ore deposits of Pb-Zn and mineralization of Au.

• 早、中志留世继续发展，形成了钠长石岩、重晶石岩、铁碳酸盐岩、硅质岩与铅-锌、金矿床；