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太古界太华群高级变质岩。

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

最后前火成岩和超高压变质岩地层研究核测井的应用。

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.

民和地是发育在祁连隆起带前寒武系变质岩基底之上的一、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.

经原岩恢复可将下二台岩群分为三岩组：盘岭岩组，黄顶子岩组及烧锅屯岩组，其原岩建造分别为火山岩建造、碳酸盐岩建造及碎屑岩建造。