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19000年前沉积下来的鱼龙化石。
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。
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
Sandstones are, as a rule, interbedded with shales. 砂岩通常都与页岩互层。
Ore formation and development conditions of oil shales in north of Shaanxi Province 陕北油页岩地质特征、成矿规律及开发条件
Phenolic sand consolidation Sandstones are, as a rule, interbedded with shales. 酚醛树脂地层砂胶结砂岩通常都与页岩互层。
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。
Geochemical characteristics of soils derived from the Lower-Cambrian black shales distributed in central hunan, china 湘中下寒武统黑色页岩土壤的地球化学特征
Oil-yielding organic matter is contained in the shales. 在这些页岩里有产油的有机物质。
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。
The conodonts studied in this paper were collected from the black shales ofthe Llanvirnian Upper Ningguo Formation. 本文研究了江西武宁奥陶系宁国组上部黑色页岩中的牙形刺。
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。
The gas drilling technology is increasingly applied these days due to its high ROP, effective prevention of the cave-in of water-sensitive shales and the capability to eliminate lost circulations. 气体钻井由于其机械钻速快,能有效防止水敏性泥页岩坍塌,杜绝井漏。
The surface transportation of elements and the environmental effect of the Lower Cambrian Mineralized Black Shales in Hunan-Guizhou Region 湘黔下寒武统矿化黑色岩系中元素的表生迁移和环境效应
Alternating sandstones and shales are regarded as important. 蚀变的砂岩和页岩是很重要的。
The Kaili formation in Eastern Guizhou, China is mainly made up of silty mudstone and shales abundant in trilobites. 贵州黔东地区中-下寒武统凯里组主要由粉砂质泥岩、页岩及灰岩组成,富产三叶虫。
To take one example, the competing demand for water and dangers of pollution might make large-scale extraction of gas from Chinese shales dangerous. 举例而言,对水资源的竞争性需求和污染风险,可能意味着在中国大规模开采页岩气是危险的。
Induced porosity is typified by fracture development as found in some shales and limestones and by the vugs or solution cavities commonly found in limestones. 次生孔隙度是以某页岩和石灰岩的裂缝和石灰岩中的岩穴和溶洞为代表。
In the transitional region, the middle Cambrian can be divided into Kaili and Jialao Formations marked by muddy shales and muddy limestones. 在过渡区则由凯里组和甲劳组泥页岩系夹灰岩地层所组成;
The Basic Properties of Coal Shales and Basic Study on Using Coal Shales as the Filler of Rubber 煤矸石的基本性质及作为橡胶补强填充剂的基础性研究
Expensive ventures in ultra-deep water, the Arctic and the processing of oil shales are not viable at$ 40. 按照每桶40美元的油价,北极超深水区的高成本开采以及油页岩的加工都不可行。
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。
Sandstones are, as a rule, interbedded with shales. Application of gunite pile technique to layer of coarse and gravelly sand 砂岩通常都与页岩互层。喷浆桩技术在粗砂砾砂地层中的应用
Thus clays and shales tend to be impermeable. 因此粘土和页岩就往往不透水。
The reservoirs are Cretaceous-Eocene sandstone and the cap rocks are mud shales with great thickness and extensive distribution. 储层为白垩系&始新统砂岩,盖层为泥页岩,厚度大,分布广。
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。
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。
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。
The secondary transgression sequence constructed the shales and limestones in the middle part of the Mantou Formation. 馒头组中段的页岩和薄层灰岩及馒头组上部的深褐色页岩构成第2个海进序列;
However, CORB outcrops are generally composed of red, reddish or purple shales and limestones. 而在陆地露头中,CORB主要为浅红色、红色或紫红色灰岩和页岩。