Any of various dark gray sandstones that contain shale.
杂砂岩任何含有页岩的多种黑灰色砂岩之一
The Riphean shale is considered to be 680 my to 925 my old.
里菲系页岩的年龄大约为680-925百万年。
The time of expulsion from this shale is uncertain.
该页岩的排烃时间不太确定。
Study of Microwave-assisted CS_2-NMP Extraction of Yilan Oil Shale
微波辅助CS_2-NMP萃取依兰油页岩的研究
Simulation of hydrocarbon generation and expulsion of low maturity oil shale
低成熟油页岩的生排烃作用实验模拟
Studies on Experiment of Pyrolysising Oil Shale of Small Size for Shale Oil;
小颗粒油页岩热裂解制取页岩油的试验研究
Alternating sandstones and shales are regarded as important.
蚀变的砂岩和页岩是很重要的。
The sandstone and shale units are of the same age.
砂岩和页岩单元是同时的。
The limestone, sandstone and shale of this area were soft.
这个地区的灰岩、砂岩和页岩都是很柔软的。
A metamorphic rock, intermediate between shale and slate, that does not possess true slaty cleavage.
厚层泥岩一种变质岩，在页岩与板岩之间，不具备真正的板块解理
polygenetic micrltic dolostone; marl and shale.
复合成因的白云岩、泥灰岩及页岩等4大类14种岩相。
The paper introduces the current status of shale oil industry point out the existing problems of shale distillation process in China.
介绍了我国页岩油工业现状，指出了我国页岩干馏工艺存在的问题。
The current state and development prospects of shale gas exploitation--Reflections on how to Accelerate Chinese exploitation of Shale Gas
页岩气开发现状及发展前景——关于促进我国页岩气资源开发的思考
The Nonesuch could be considered the oldest actively expelling oil source bed.
农萨奇页岩可能是最古老的还在排油的烃源岩。
Effect of the Water Sensitivity of Mud Stone and Shale on the Plastic De-formation of Salt Bed
泥页岩水敏性对盐岩层塑性变形的影响
Suggestions on Surrounding Rock Reinforcement for Hydraulic Tunnel of Sand-shale in North Shaanxi
关于陕北砂泥(页)岩水工隧洞围岩加固的意见
shale from which oil can be obtained by heating.
加热后能分解出油的页岩。
Oil-yielding organic matter is contained in the shales.
在这些页岩里有产油的有机物质。