1.
The lime-stone rocks bed up against the coal.
石为岩层紧靠着煤矿层。
2.
Shale underlies coal.
页岩层在煤层之下。
3.
A rock formation in South Africa containing peridotite, in which diamonds are formed.
金伯利岩南非的一种包含橄榄岩的岩层，岩层中形成了钻石
4.
The older strata gradually disintegrate.
较老的岩层渐渐风化。
5.
This layer of rock contains a lot of flint.
这一岩层中有大量燧石.
6.
a line of demarcation between two rock strata.
两个岩层间的分界线
7.
KirkBy moor flags
基尔克比荒野板岩层
8.
These folded rocks are composed of medium to thick bedded limestone of Ordovician and of thin bedded shale and siltstone of Silurian.
这些褶皱岩层是由奥陶系的中层至厚层石灰岩以及志留系的薄层页岩和粉砂岩组成。
9.
Stratification of rocks into beds.
层理岩石层理形成地层
10.
Sandstones are, as a rule, interbedded with shales.
砂岩通常都与页岩互层。
11.
2.16 The brief target oil and gas zone are from 2300 to 2500 meters. The formation is:sand, sand-stone, shale cross.
主要目的油气层在2300到2500米，其地层岩性为：砂岩、砂砾岩和泥岩互层。
12.
For instance, according to the nature of cohesion, the fault rocks can be divided into cohesive and incohesive fault rocks.
例如，断层岩可以划分成粘合断层岩和非粘合断层岩。
13.
A fine - grained laminated rock formed by the shifting of rock layers along faults.
糜棱岩由岩石层沿断层转移而形成纹理细密的叠层岩
14.
An evenly layered sedimentary rock that can be split into paving stones.
薄砂层岩，板层砂岩一种有整齐分层的能打砸成铺路石的水成岩
15.
The Determination of Rock Mechanics Parameter of Reservoir Core During Sandstone Matrix Acidizing
砂岩基质酸化前后储层岩心岩石力学参数测定
16.
informal lithostratigraphic unit
非正式岩石地层单位
17.
thin layers of rock used for roofing.
用来盖屋顶的薄岩石层。
18.
discontinuous lithostratigraphic unit
不连续岩石地层单位