The middle Jurassic series Yanan Formation of in Lingwu coalfield is a lacustrine deltaic deposit.
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。
It was rift basin from Early Middle Jurassic to Early Creaceous and squeezed sag basin since Cenozoic.
早、中侏罗世—早白垩世为拉张盆地，第三纪以来为挤压坳陷盆地。
This paper mainly discusses early Yanshanian granites, namely, the Middle Jurassic Sanjiangkou sequence.
本文着重讨论燕山早期主体花岗岩，即中侏罗世三江口序列。
The Late Devonian-Middle Jurassic depositional systems in Fujian Province arereconstructed in the paper.
本文应用沉积体系的研究方法，恢复了福建省晚泥盆世-中侏罗世地层的古沉积面貌。
The Early-Middle Jurassic strata were probably deposited in an extensional basin above the Lapeiquan fault.
早中侏罗世地层可能为拉配泉断裂之上的伸展盆地沉积。
The north-south structure in upper triassic epoch and, 4) The whole tilting structure after middle jurassic epoch.
晚三迭世的近南北向构造和4）中侏罗世以来的整体掀斜构造。
This is a model of telemagmatic metamorphism and a character of coal metamorphism early-middle Jurassic in northwest of China.
属于区域岩浆热变质作用的一种模式，也是西北地区早中侏罗世煤变质的特点之一。
There existed a transgressive-regressive cycle and a transgressive cycle from the Middle Jurassic to the early period of Late Jurassic.
中侏罗世至晚侏罗世早期经历了一次完整的海侵-海退旋回和一次海侵过程。
According to geological age, it may be divided into Upper Triassic coal-bearing formation and Lower-Middle Jurassic clastic rock formation.
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。
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.
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 new material from China reveals that the early diversification of eomeropids with cockroach-like body was well underway by the Middle Jurassic.
新的化石表明美蝎蛉的早期分异在中侏罗世就已存在。
The study area was in a tectonic setting of transtension during Early and Middle Jurassic, and the basins were reversed and uplifted in Late Jurassic.
早—中侏罗世研究区处于一种张扭构造环境之中，晚侏罗世盆地发生明显抬升和反转。
Special petroleum geological and geochemical conditions lead to a special type of oils formed in the Middle Jurassic coal shale strata in the Minhe basin.
本文简要论述了民和盆地中侏罗统含煤及油页岩层系的生油特征，探讨了盆地独特的石油地质和地球化学条件。
These successions are the eastward extension of the Sewa Formation in the Shuanghu area and their age is assigned to the Middle Jurassic early-mid Bajocian.
这套地层是双湖地区色哇组的东延部分，时代确定为中侏罗世早中巴柔期。
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.
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。
The northern edge in Qaidam Basin is one of the three hydrocarbon bearing areas in the basin. Its source rock is the early and middle Jurassic coal measures.
柴达木盆地北缘是柴达木盆地三大油气区之一，其源岩为早、中侏罗世煤系地层。
The early Middle Jurassic was an major coal-forming period in the region, when the Lower Yaopo Formation of lacustrine-deltaic and swamp facies was deposited.
中侏罗世早期是全区重要的成煤期，下窑坡组为湖泊—三角洲及沼泽相。
The early to middle Jurassic coal-bearing deposition is mainly consisted of fluvial or lakeshore, estuarine delta facies, lacustrine facies and slough facies.
蔚县煤田早中侏罗世含煤沉积，主要由河流或湖滨河口三角洲相、湖泊相、泥沼相组成。
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.
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 structural pattern of the normal fault assemblage that occurred in the Early and Middle Jurassic may have initiated some small-scale petroleum and gas pools.
早、中侏罗世形成的正断层组合构造样式，可形成一些小规模油气藏。
Rock properties of Middle Jurassic reservoir in Taibei sag of Tuha basin have been studied by means of the casting thin sections and scanning electron microscope.
根据岩石铸体薄片和扫描电镜观察资料，分析了吐哈盆地台北凹陷中侏罗统储集层的岩性特征。
The sequence stratigraphy of the Middle Jurassic coal-bearing measures in the Juhugeng mine area in Qinghai Province was studied by using the core and logging data.
运用钻井岩心及层序地层学有关理论、方法，对木里煤田聚乎更矿区中侏罗统含煤岩系进行了层序地层学研究。
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.
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。
The middle Jurassic Yeba formation volcanics, Paleocene biotite granite porphyry, Miocene quartz monzonite and Oligocene granite porphyry could be found in the ore field.
矿区出露中朱罗统叶巴组火山次火山沉积岩、古新世黑云母花岗斑岩、中新世二长石英斑岩以及渐新世花岗斑岩。
Abstract: Rock properties of Middle Jurassic reservoir in Taibei sag of Tuha basin have been studied by means of the casting thin sections and scanning electron microscope.
文摘：根据岩石铸体薄片和扫描电镜观察资料，分析了吐哈盆地台北凹陷中侏罗统储集层的岩性特征。
Uplift in the southwestern Qaidam Basin led to the migration of Middle Jurassic strata to the north and west, and resulted in the formation of inverted haft-graben fault basin.
柴西南隆升导致中侏罗世地层向北、北东迁移，并出现反向箕状断陷盆地。
On the basis of mass borehole data, the paper analyzed Middle Jurassic coal-bearing strata distributing features, coal-bearing property, coal-forming period in the Yining basin.
以大量钻孔资料为基础，研究了伊宁盆地中侏罗统含煤地层的分布特征、含煤性、聚煤期。
The strata of Mesozoic and Cenozoic in the basin can be divided into three parts, Middle Jurassic (Longjiagou Formation ), Lower Cretaceous and Upper Miocene (Baode Formation ).
根据化石组合，龙家沟盆地的地层可划分为中侏罗统龙家沟组，上白垩统及上中新统保德组。
The discovery of this tectonic zone supports the view that the influence of the Paleo-Asiatic tectonic domain on the Northeast China microblock persisted till the Middle Jurassic.
该构造带的发现支持了古亚洲构造域对东北微陆块区的影响一直延续到中侏罗世的观点。
The Mesozoic primary hydrocarbon accumulation has been heavily damaged by the denudations at latest middle Jurassic and latest Cretaceous and the faulting from Paleocene to Eocene.
中侏罗世末期、白奎纪末期的 地层抬升 剥蚀，以及古-始新世的断裂活动对中生代形成的原生油气藏破坏作用明显。
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