Thus clays and shales tend to be impermeable.

因此粘土和页岩就往往不透水。

Thus clays and shales tend to be impermeable .

因此粘土和页岩就往往不透水。

Sandstones are, as a rule, interbedded with shales.

砂岩通常都与页岩互层。

Alternating sandstones and shales are regarded as important.

蚀变的砂岩和页岩是很重要的。

Black shales will become a new resource of PGE and rare metals.

黑色岩系将成为PGE和稀有金属的一种新来源。

The variety of these mudstone and shales is very complex in lacustrinehigh-frequency cycle.

这些泥岩和页岩在湖相高频旋回中的变化相当复杂。

The stabilization of shales by modified asphalt (K-AHM) and modified starch (S-P) was studied.

本文研究了改性沥青(K - AHM)与改性淀粉(S - P)对页岩的稳定作用。

Relative LREE enrichment can be seen in the soils derived from sandstones, granites and shales.

砂岩和花岗岩上发育的土壤中LREE相对富集。

The ichthyosaur remains are found in black, bituminous Marine shales deposited about 190 million years ago.

人们在黑色的、含沥青的海洋页岩中发现了约19,000年前沉积下来的鱼龙化石。

Uranium is frequently enriched by sorption or chemical combination in shales, lignites and phosphorites.

铀经常为页岩，泥炭和磷块岩所吸附或化学结合态而富集。

Cambrian source rocks, including mud shales and carbonates, are among the main source rocks in Tarim basin.

寒武系烃源岩是塔里木盆地主要烃源岩之一，包括泥页岩和碳酸盐岩。

The chlorine log was originally sensitive to shales but a shale-compensated chlorinity log is now available.

最初的氯测井对泥岩较为敏感，现在可以使用一种补偿泥岩氯测井方法。

Black shales have been considered as a sign of anoxic depositional environments and anoxic events for a long time.

富有机质黑色页岩的形成长期以来被认为是缺氧沉积环境的证据，并被作为全球缺氧事件的标志。

Tom Shales said that I had recovered miraculously and that people who watch television love this kind of comeback story.

汤姆。谢尔士说我已经奇迹般地恢复常态，还说看电视的观众喜欢这样东山再起的故事。

The sequential analysis is applicable to, besides the study of main components in oil shales, biomineralization research.

除用于油页岩中主要组分的赋存状态研究外，该分析方法亦适用于生物成矿作用研究。

Much of the new gas is coming from what were once called "unconventional" sources, such as the gas shales of Texas, Utah and Wyoming.

很多新的天然气来自于那些以前被称为非常规资源的地方，例如犹他州，怀俄明州和德州的页岩气。

In particular, discontinuous shales, acting as vertical flow barriers, affect significantly the sweep efficiency of oil reservoirs.

特别是，不连续的页岩，作为垂直的流体流动遮挡，极大影响油罐的洗油效率。

There are shales and sandstones, which are marked by downslope in the continental basins and called the formation of polymict sandstone.

往上变为近海湖盆沉积，由砂岩、页岩组成，具有陆相盆地滑坡的标志，称为复矿砂岩建造。

A group of clay minerals formed during the alteration of silicate minerals such as mica and feldspar and commonly found in Marine shales.

硅酸盐矿物(如云母和长石)的蚀变作用期间形成的一族粘土矿物，通常见于海相页岩内。

This paper studies the hydration sloughing mechanism of three kinds of hard and brittle shales of Shahejie formation in Gangdong oilfield.

研究了大港油田港东地区沙河街地层三种硬脆性泥页岩的水化坍塌机理。

The continental oil and gas shales are featured by new age, great burial depth, low thermal maturity, and low contents of brittle minerals.

陆相页岩具有“一新一深二低”的特点，时代新，埋藏深、成熟低、脆性矿物含量低等，油气兼产。

The effectiveness of pressure seals in the subsurface may be evaluated by making a calculated fluid pressure profile of the overlying shales.

在地下，压力封闭的有效性可以通过计算上层页岩的流体压力剖面来估计。

He and his team had explored for undiscovered oil in horizontal shales deep within the Permian Basin, a vast rock formation beneath West Texas.

他和他的团队勘探到了二叠盆地未探明的水平页岩油，这些地层主要分布在西德克·萨斯盆地。

Numerous sandstone dikes and sills (about 230) were dominantly found in the shales of the Puyu Formation, and formed a large swarm of sandstone dikes.

河南省嵩山地区中—新元古代五佛山群沉积岩中发育几百条砂岩岩墙、砂岩岩脉和砂岩岩床 ，形成一个壮观的砂岩岩墙群。

According to the industrial division criterion of the oil shale, the oil shales of the Dalianhe Formation belonged to the middle oil yield with low-ash.

根据油页岩工业划分标准，达连河油页岩属于中灰分、低含油率的油页岩。

Impermeable formations, such as shales and siltstones, tend to be finer grained or of a mixed grain size, with smaller, fewer, or less interconnected pores.

不渗透的地层如页岩与粉砂岩。因颗粒很细或粗细颗粒混杂。只有较小，较少连通不好的孔隙。

Shales does not mention the killing of the alleged poacher, and writes that the show “makes a persuasive case for doing whatever can be done” to keep wildlife safe.

谢尔并未提到杀死非法偷猎者事件，而是写到，为了保护野生动物的安全，这部片子“为做我们应该做的事提供了一套很有说服力的素材。”

Ordos Basin is abundant in oil shales resources and with favourable conditions for development, which has a great potential for further exploitation of oil and gas.

鄂尔多斯盆地不仅油页岩资源丰富，而且开发条件优越，具有广阔的开发利用前景，对解决我国油气等常规能源供需矛盾突出的问题非常有利。

Two series of black shales, representing the deep water deposit, are widely distributed in Qiangtang area , northern Tibet, which becomes a hot topic of Qiangtang basin study.

藏北羌塘地区出现了两套代表深水相沉积的黑色岩系，成为该区研究中的又一热点。

This paper deals with the formation conditions of black shales based on such analytical techniques as ICP_MS, GC_MS, isotope, organic carbon, element facies and micropetrology.

本文采用GC＿MS、ICP＿MS、形态硫分析、硫同位素、物相分析等方法综合研究了湘西晚震旦世-早寒武世黑色岩系的地球化学特征和形成条件。