Like America, Europe has vast beds of shale rock, in which innumerable bubbles of natural gas are trapped.
欧洲有丰富的页岩底层,比如在美国能捕获无数天然气的气泡。
Usually, it happens when the substrate is formed by limestone, carbonate rock, salt beds or any other rock that is easily eroded by water streams.
通常,它发生在基板是由石灰岩,碳酸盐岩,盐层或任何其他岩石,很容易被水侵蚀形成的溪流。
Marmatite is the guide mineral of the second ore type which appears in bedded, veined and irregular ore bodies near contact zone of magmatic rock or joint positions between faults and ore beds.
另一种以铁闪锌矿为标志,矿体呈似层状、脉状及不规则状等,靠近岩体接触带或断裂与赋矿层的交汇部位产出,代表了成矿第二世代。
Nonsandstone reservoirs between salt beds of Qianjiang Formation in the Qianjiang Sag of the Jianghan Basin are mainly composed of dolomicrite, glauberite rock, mudstone and their peperite.
组成江汉盆地潜江凹陷潜江组盐间段非砂岩储层的岩石主要为泥晶白云岩、钙芒硝岩、泥岩及其混积岩,孔渗性普遍较差。
Since they are near source rock and have good reservoir beds and channels, the low-system-type fans can form lithologic oil pools.
坡折带下的低位扇由于离源岩近、次生裂隙发育和疏导条件优越,易形成岩性油藏。
The ancient gravel beds in the suburbs of Nanjng is one of the important types of rock of the Cenozoic era.
南京附近的古砾石层是组成该区新生代地层重要岩石类型之一。
Rock mechanical experiments show that the tensile strength and shear strength of the mechanical weak planes are far less than that of the sediment beds with a few or no fossils.
沿化石层层理的抗张强度与抗剪强度远低于其他层位和垂直于层理方向的强度性质。
Most diamonds today are not found in stream beds, however, from deep in the ground are mined from rock.
今天的大部分钻石不是从河床中发现的,而是从深藏在地下的岩石组织中开采出来的。
As far as the scour resistances on the rocky river beds are concerned, the lifting conditions considered resisting forces for rock blocks in the scour pit are investigated.
针对岩石河床的抗冲能力,探讨了考虑阻力的岩块起动的判别条件。
The interbedding natures exist not only between red sandstone, mudstone and shale but also between red beds with coal seam, magmatite, evaporite and varied rock, respectively.
由于砂岩、泥岩、页岩、蒸发岩、杂色岩等多种软硬岩层互层结构和工程活动等因素的影响,沿着软弱结构面易发生滑坡、差异风化等工程地质问题。
Scour resistant capacity of rocky river beds, in fact, indicate such a capacity of resisting disintegration and damage for rock mass under the impingement of free fall jets.
岩石河床的抗冲能力,实质上反映了基岩在挑射水流的冲击下抵抗解体破坏的能力。
Likewise, the layered beds on Mars may be sedimentary rock formed in ancient lakes and seas.
所以火星的千层榚地貌,很可能是古湖或古海沈积物所形成的沈积岩。
Finally, the improved model is adopted to analyze the differential slaking properties of red beds soft rock in Hunan Province.
最后,将该模型应用于湖南红层软岩崩解性差异分析,取得较好的效果。
Finally, the improved model is adopted to analyze the differential slaking properties of red beds soft rock in Hunan Province.
最后,将该模型应用于湖南红层软岩崩解性差异分析,取得较好的效果。
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