Jurassic sliding-prone stratum 侏罗系易滑地层
The dissertation is about the Jianmenguan scenic area stratum section, late Jurassic depositional system and sedimentary sequence, about the qualification and the process of being scenic.
本文研究了四川省剑门关景区的地层剖面、晚侏罗世的沉积环境和沉积体系以及剑门关景区景观的成景。
The age of coal-bearing stratum of Wangxidong used to be regarded as Jurassic system .
河北省蔚县王喜洞村附近有含煤地层零星出露，以往地质资料多定为侏罗系。
Sediment cover consists of Trias, Jurassic, Tertiary and Qaternary, but Jurassic is the mainly exploited stratum.
盆地沉积盖层由中生界三叠系、侏罗系、新生界第三系、第四系组成，侏罗系是其主要勘探目的层。
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