The clastic rocks widespread in the triassic xikang group in western sichuan consist dominantly of turbiditic flysch formations 摘要三叠系西康群碎屑岩主体为一套浊积岩复理石建造。
2.
It is believed that the distribution of gold deposits in fujian is controlled by regional deep - seated structure and precambrian volcanic flysch formation containing charcoal is main gold source rock . the accumulation of gold is closely related with yanshan granitic magma intrusion 金矿空间分布受一定的区域深部构造单元所制约，前寒武系富含炭质的火山复理石建造是福建省金矿的主要矿源岩，金的富集成矿与燕山期花岗岩类岩浆侵入作用密切相关。
