连绵起伏的山脉包括阿尔卑斯山脉横亘于法国和意大利之间,形成了一道天然国界;而侏罗山脉则延绵构成了法国和瑞士难以逾越的国界。
A series of massive mountain ranges includes the Alps, which separate France and Italy, and the Jura Mountains that delineate the Franco-Swiss border.
张家沟剖面沉积连续、暴露完全、化石极为丰富,是建立侏罗白垩系临界阶陆相层型和研究界线划分的理想剖面。
So the Zhangjiagou section is an ideal candidate section for erecting the terrestrial stratotype and studying the Jurassic-Cretaceous boundary in China.
下侏罗统含煤系是铀矿化赋存的有利部位。
Uranium mineralizations are hosted in the Middle-Lower Jurassic coal-bearing series.
西北地区中、下侏罗统煤层广布,厚度较大;
The Middle and Lower Jurassic with thick coal seam is widely distributed in Northwest China.
钻井揭示,中—下侏罗统为中生界主要烃源岩。
According to the drilling results, the middle-lower Jurassic can be considered the main Mesozoic source rock.
我国东部火山岩型铀矿床基本上都产在侏罗、白垩系中。
The volcanic type uranium deposits in East China basically occur in Jurassic and Cretaceous systems.
灵武煤田的中侏罗统延安组含煤岩系为一湖泊三角洲沉积。
The middle Jurassic series Yanan Formation of in Lingwu coalfield is a lacustrine deltaic deposit.
中侏罗统是其盆地发育最全、分布最广泛的海相沉积层系。
Middle Juassic marine sedimentary strata are widespread in the basin.
日内瓦位于侏罗山脉和阿尔卑斯山脉之间,日内瓦湖的西端。
Geneva is situated between the Jura range and the Alps on the western end of lake Geneva.
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。
Upper Jurassic red bed cover directly on coal measure strata of Permian and Carboniferous system in Yanzhou coal field.
鱼卡煤田是青海省重要的煤炭资源基地,主要含煤地层为中侏罗统。
The Iqe coalfield is one of major coal resource bases in Qinghai Province.
主要形成了下白垩统半深湖相烃源岩,其次为中下侏罗统煤系烃源岩。
In these process of evolution, it deposited mainly hydrocarbon source rocks of lacustrine facies in the Early Cretaceous and secondary coal measures source rocks in Early-Middle Jurassic.
矿化与晚侏罗到早白垩世区域伸展作用期间的亚碱性火山岩关系密切。
Mineralization is closely related to subalkaline volcanism during regional extension from late Jurassic to early Cretaceous.
上侏罗统为断陷消亡期沉积,形成湿型扇—辫状河—曲流河沉积序列。
The fault subsidence lacustrine died out in late-Jurassic and damp type fan, braided stream and meander river sedimentary sequence was formed.
伊犁盆地南缘中、下侏罗统水西沟群产有数个可地浸的砂岩型铀矿床。
Several in-situ leachable sandstone-type uranium deposits are hosted in the Shuixigou Group, Middle-Lower Jurassic in the southern margin area of Yili basin.
根据它的地质时代,划分为上三叠统含煤建造和中下侏罗统碎屑岩建造。
According to geological age, it may be divided into Upper Triassic coal-bearing formation and Lower-Middle Jurassic clastic rock formation.
松辽盆地上侏罗一下白垩统,可划分出两个地震超层序和四个地震层序。
Songliao Basin is composed mainly of Upper Jurassic-Lower Cretaceous sediments and could be divided into four seismic sequences and two supersequences.
其围岩有麻源组和中下石炭统的区域变质岩系及下侏罗统梨山组地层等。
Its wall rocks consist of the regional metamorphic rock, series of Mayuan formation and middle-lower Carboniferous series as well as lower Jurassic Lishan formation.
中侏罗统是煤成烃的主要储油层段,上侏罗统棕红色泥岩是区域性盖层。
The Middle Jurassic is the main reservoir interval of coal-formed hydrocarbon, and the brown-red mudstone of the Upper Jurassic becomes the regional cap rocks.
赋矿地层为上侏罗统雄黄厂段,主要由白云岩、灰岩、泥岩和粉砂岩组成。
The Xionghuangchang section of the Upper Jurassic series is the principal ore-host strata, composed mainly of dolomite, limestone, mudstone, and siltstone.
上侏罗统普遍被剥蚀。早一中侏罗世盆地经历了水体由浅到深的沉积演化。
The Upper Jurassic is generally exposed. In the area, the water depth evolved from shallow to deep from the Early Jurassic to the Middle Jurassic.
通过对该区含煤地层组合特征综合分析,认为其应属下侏罗统北票组含煤岩系。
Through comprehensive analysis of coal-bearing strata combinative characteristics in the area, figured out the strata belong to Lower Jurassic Beipiao Formation coal-bearing rock series.
主要的含油气层系为中上侏罗统浅海相砂岩和上白垩统河流、三角洲相碎屑岩。
Main hydrocarbon bearing layer systems are Middle-Upper Jurassic shallow Marine sandstone, Upper Crataceous river faciess and delta faciess clastic rock.
因此,将中下侏罗统确定为本区的主要找矿目标层,下白垩统为次要找矿目标层。
Therefore, the Lower-Middle Jurassic is selected as the main target horizon for sandstone-hosted uranium deposit, and the Lower Cretaceous as the minor one.
其中,下侏罗统可划分为两个层序,沉积相均以扇三角洲与半深湖—深湖相为特征;
The Lower Jurassic consists of 2 sequences which include fan delta, semi deep lake and deep lake facies.
根据分子地球化学指标,下侏罗统和中侏罗统烃源岩都可划分为湖相和沼泽相两类。
In terms of molecular geochemistry indexes, the hydrocarbon source rocks both in lower Jurassic and middle Jurassic can be classified as lake facies and swamp facies.
详细分析了王府凹陷上侏罗统和下白垩统砂岩储层的成岩作用及其对储层物性的影响。
The diagenesis of the sandstone reservoirs of the upper jurassic-lower Cretaceous series in Wangfu depression was analysed systematically.
这种有序变形规模巨大,仅川东的隔挡式褶皱冲断带规模就超过了著名的侏罗山式褶皱。
This regulated deformation is considerable in scale, and hence the partition wall style fold-thrust belt in the east of Sichuan is much bigger than the famous Jurassic style folding.
这种有序变形规模巨大,仅川东的隔挡式褶皱冲断带规模就超过了著名的侏罗山式褶皱。
This regulated deformation is considerable in scale, and hence the partition wall style fold-thrust belt in the east of Sichuan is much bigger than the famous Jurassic style folding.
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