metamorphic rock

Shagou deposit mainly lies in the metamorphic rock of Taihua Group,Archaeozoic erathem.

本矿床主要的赋矿地层为新太古界太华群级变。

The present application of the nuclear log to the studies of the volcanic rocks and superpressure metamorphic rocks is outlined.

最后略述当前火成和变地层研究中核测井的应用。

Minhe Basin is a Mesozoic-Cenozoic intermont basin grew on Precambrian metamorphic rock basement in middle Qilian uplift zone.Total thickness of Mesozoic-Cenozoic is about 7000 meters.

民和地是发育在中祁连隆起带前寒武系变底之上的一个中、新生代山间地。

Xiaertai rock group,a set of metamorphic rock system in Xiaertai area,has experienced strong ductilebrittle deformation and then thermal contact metamorphism and dynamometamorphism in the late stage.

经原恢复可将下二台群分为三个组：盘岭组，黄顶子组及烧锅屯组，其原建造分别为火山建造、碳酸盐建造及碎屑建造。