沉积岩系 meaning in Chinese

sedimentaryrocks

The strata of the region are divided into two structural layers : the basement rock consisting of metamorphic rock and cover layer of mesozoic and neozoic sedimentary rock .
将本区的地层划分为两个构造层：既变质岩系构成的基底构造层；中生代、新生代的沉积岩系构成的盖层构造层。
The lower part formed in a littoral - epeiric environment , is a series of elastic rocks , partly contains carbonate rock and metamorphic basic volcanic rocks and the upper part formed in a bathypelagic environment is a series of sediments with chert , partly contains metamorphic basic volcanic rocks
其下部为一套滨浅相碎屑岩，局部夹碳酸盐岩、变质基性火山岩；上部为一套深水沉积岩系夹硅质岩，局部夹变质基性火山岩。
These strata of basin are made up of cretaceous period , tertiary period and quaternary period . tertiary period is the major sediment in the basin and the biggest thickness is up to five thousand meters . this thesis studies the petrology and characteristic of the diagenetic process of the reservoir
盆地的沉积岩系主要由白垩系、上下第三系和第四系组成，下第三系是盆地中的主体沉积，最大厚度5000米，分为万昌组、永吉组、奢岭组、双阳组。