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- marine coal measure 远海型煤系
- Abstract : As cement, authigenic mineral or vein, dawsonite is found not only in marine dolomite and oil shale, but also in terrigenous fragmentary rock and coal measures. 摘要 : 片钠铝石作为胶结物、自生矿物或脉体,不仅分布在海相白云岩、油页岩中,而且还广泛分布在陆源碎屑岩及煤系地层中。
- As cement, authigenic mineral or vein, dawsonite is found not only in marine dolomite and oil shale, but also in terrigenous fragmentary rock and coal measures. 片钠铝石作为胶结物、自生矿物或脉体,不仅分布在海相白云岩、油页岩中,而且还广泛分布在陆源碎屑岩及煤系地层中。
- Abstract: As cement, authigenic mineral or vein, dawsonite is found not only in marine dolomite and oil shale, but also in terrigenous fragmentary rock and coal measures. 摘要: 片钠铝石作为胶结物、自生矿物或脉体,不仅分布在海相白云岩、油页岩中,而且还广泛分布在陆源碎屑岩及煤系地层中。
- The discovery of Spongilite in the Taiyuan L7 limestone and Shanxi coal measure formation in Dengfeng Xinggong district,West Henan. 登封、荥巩地区太原组 L_7灰岩至山西组含煤岩系中海绵岩的发现
- Upper Jurassic red bed cover directly on coal measure strata of Permian and Carboniferous system in Yanzhou coal field . 兖州煤田的上侏罗统红层直接覆盖于二叠、石炭系煤系地层之上。
- The Early to Middle Jurassic Shuixigou Group in Turpan-Hami basin is a series of coal measure strata with a thickness of 2000m. 摘要吐哈盆地中下侏罗统水西沟群是一套厚达2000m的河沼-湖沼相煤系地层,其中的煤岩及暗色泥岩是已发现油气藏的主要源岩。
- The XRD patterns of kaolinic rocks in the coal measure are divided into three types according to the basal reflection intensity of the kaolinite in China. 根据高岭石基面衍射是否加强以及加强的程度,将我国煤系高岭岩的XRD曲线分为3种基本形态类型。
- Shanle Oilfield is the especially low permeability oil reservoir of coal measure interlay in Tuha oil region,with particular geologic condition and complicated structure. 鄯勒油田是吐哈油区的一个特低渗煤系互层油藏,地质条件特殊,构造复杂。
- Main macerals of hydrocarbon generation are sporinite, cutinite, alginite, bituminite, liptodetrinite and desmocollnite in source rocks from Jurassic coal measure in Northwest China. 西北地区侏罗纪煤系地层中主要的生烃显微组分是孢子体、角质体、藻类体、沥青质体、碎屑类脂体、基质镜质体等,而树脂体、木栓质体等早期低熟生油组分含量很低。
- Among them,the littoral and lagoon unda zones were the best coal-forming environments.Since controlled by the near NS crustal unequilibratory subsidence,the varying of coal measure and coal... 其中滨海及泻湖波浪带最有利于成煤,因受地壳近南北向不均衡沉积的控制,区内煤系及煤层变化多呈南北向带状分布,为今后的地质勘探和煤矿开采提供了依据。
- The metamorphism characteristics and deformation characteristics of coal measure and coal beds have been studied systematically from thin section, SEM and X-ray diffraction analysis. 作者采用薄片、扫描电镜及X衍射诸手段对煤系及煤层的变质变形特征进行了系统的研究,确定了煤变质作用发生的时间,变质作用类型和变质作用温压条件;
- Water, coal measures and salt have densities markedly different from other earth materials. 水、煤和盐的密度与其它介质有很大的差别。
- The Upper Paleozoic natural gas in the napped belt of the western margin of the Ordos basin is coal measure gas with lower non hydrocarbon and higher hydrocarbon component concentrations. 摘要鄂尔多斯盆地西缘推覆带上古生界天然气为非烃类组分含量相对较低、烃类烃组分含量相时较高的煤成气。
- Marine plants grow on the sea bed. 海生植物长在海底。
- Lakeshore and swampy carbonaceous mudstone and coal measures are major hydrocarbon source rocks of the Kuqa depression. 其滨湖、沼泽相炭质泥岩及煤系建造是库车坳陷重要的烃源岩。
- Water pollution imperils all kinds of marine life. 水质污染危及所有海洋生物。
- Late Triassic Anyuan coal measures,is one of main coal-bearing strata in Jiangxi Province. 江西省晚三叠世安源煤系,为江西省主要含煤地层之一,其煤种为烟煤,煤质好且为较好的动力用煤。
- America had the largest mercantile marine. 美国当时拥有最大的商船队。