shales

Oil-yielding organic matter is contained in shales.

在这些页岩里有产油“的”有机“物质”.

Oil-yielding organic matter is contained in the shales.

在这些页岩里有产油的有机物质.

Of sediment color a value lower profile and higher total organic carbon and black shales with marine planktonic environment for the emergence of direction was the reduction of marine hypoxia conditions.

研究剖面沉积物色度a值降低和总有机碳增高以及含海相浮游有孔虫黑色页岩的出现指示当时环境为海相缺氧的还原条件。

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.

Sandstones are, as a rule , interbedded with shales.

砂岩通常都与页岩互层.

REE and trace element data supported the conclusion further. The chemical index of weathering ( CIW) as well as TiO 2 and Al 2 O 3 concentrations reflected a more intense weathering in the provenances of the shales in north part.

北部页岩明显偏高的TiO2和Al2O3含量以及化学风化指数（CIW）表明北部沉积物的源区经历了更强烈的风化作用。

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1.9亿年前沉积下来的鱼龙化石.

A kind of borehole stabilizer, JHS, for hard and brittle shales is developed for solving the problem of instability of borehole in the Liaohe field.

针对辽河油田双南等地区井壁不稳定问题，研制了一种硬脆性泥页岩井壁稳定剂&JHS。

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.

The genetic types of shales in the area under research are of humus and mixed type.

研究区油页岩成因类型为混合型和腐殖型.

These cyclic sequences are overlain by the lagoon dolomitic mudstones and shales.

米级旋回层序之顶覆以厚度不等的?

Thus clays and shales tend to be impermeable.

因此粘土和页岩就往往不透水.

Not since shales escape, right?-Yeah. What's going on, Richard?

自从席尔斯越狱后, 对 吧 ? - 有问题吗, 理查?

Geochemical Study of Heavy Metal Contamination of Soils Derived from Black Shales at the HJC Uranium Mine in Central Hunan, China

湘中HJC铀矿区黑色页岩土壤重金属污染地球化学分析

Alternating sandstones and shales are regarded as important.

蚀变的砂岩和页岩是很重要的.