三砂 meaning in Chinese

misago
misuna

Through the analysis of the stratigraphy and sedimentary facies of the research areas , the description model between the stratigraphic framework and deposite environment can be set up firstly by the transition from the " three horizons sandstone with two intercalated limestone horizons ' mn yanshiping area to shale and marl in amdo - zigetang co , and to oil shale in bilong co , then by the transition of the shallow water platform facies to the deep water continental shelf , slope , and to the deep water basin
通过对研究区地层和沉积相分析，建立起一个从北向南由雁石坪地层类型“三砂夹两灰”过渡为安多?兹格塘错地层类型泥页岩、泥灰岩，最后到比洛错地层类型黑色油页岩，由浅水台地相过渡到深水陆棚、斜坡，最后到深水盆地相的地层格架与沉积环境解释模式。