• 新的化石表明美蝎早期分异侏罗世就已存在。

    The new material from China reveals that the early diversification of eomeropids with cockroach-like body was well underway by the Middle Jurassic.

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  • 侏罗世地层可能为拉配泉断裂之上伸展盆地沉积

    The Early-Middle Jurassic strata were probably deposited in an extensional basin above the Lapeiquan fault.

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  • 本文着重讨论燕山早期主体花岗岩,即侏罗世三江口序列

    This paper mainly discusses early Yanshanian granites, namely, the Middle Jurassic Sanjiangkou sequence.

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  • 晚三迭近南北向构造4侏罗世以来的整体掀斜构造。

    The north-south structure in upper triassic epoch and, 4) The whole tilting structure after middle jurassic epoch.

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  • 侏罗世—早白垩世为拉张盆地第三纪以来挤压陷盆地。

    It was rift basin from Early Middle Jurassic to Early Creaceous and squeezed sag basin since Cenozoic.

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  • 中侏罗世形成断层组合构造样式形成一些小规模油气藏

    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.

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  • 侏罗世早期全区重要的成,下窑坡组为湖泊—三角洲沼泽

    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.

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  • 西南隆升导致侏罗世地层、北东迁移出现反向陷盆地

    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.

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  • 早、侏罗世低位体系不发育,海进体系高位体系域两部分组成。

    Lowstand System Tracts of Early and Metaphse Jurassic Period was undergrown, of which Transgressive Systems Tract and Highstand Systems Tract made up.

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  • 罗统普遍被剥蚀侏罗世盆地经历水体沉积演化

    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.

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  • 这套地层地区色哇组的部分,时代确定为侏罗世巴柔期

    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.

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  • 侏罗世侏罗世早期经历了次完整海侵-海退旋回一次海侵过程。

    There existed a transgressive-regressive cycle and a transgressive cycle from the Middle Jurassic to the early period of Late Jurassic.

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  • 柴达木盆地北缘柴达木盆地大油气区之一,其源侏罗世煤系地层。

    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.

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  • 属于区域岩浆热变质作用一种模式,也是西北地区侏罗世变质的特点之一。

    This is a model of telemagmatic metamorphism and a character of coal metamorphism early-middle Jurassic in northwest of China.

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  • 侏罗世研究处于一种张扭构造环境侏罗世盆地发生明显抬升反转。

    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.

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  • 本文应用沉积体系的研究方法,恢复了福建省泥盆世-侏罗世地层的古沉积面貌。

    The Late Devonian-Middle Jurassic depositional systems in Fujian Province arereconstructed in the paper.

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  • 构造发现支持古亚洲构造东北微陆块区的影响一直延续中侏罗世观点

    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.

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  • 蔚县煤田中侏罗世沉积主要河流湖滨河口三角洲湖泊相、泥沼相组成。

    The early to middle Jurassic coal-bearing deposition is mainly consisted of fluvial or lakeshore, estuarine delta facies, lacustrine facies and slough facies.

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  • 在分析特征植物所指示的气候基础上,推测早-侏罗世气候的变化趋势是,炎热潮湿逐渐变为炎热干旱

    Analyzing of lithological characteristic and fossil plants indicates that the Early-Middle Jurrassic palaeoclimate changed gradually from the hot humid to arid.

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  • 侏罗世末期白奎纪末期的 地层抬升 剥蚀,以及-新世断裂活动生代形成原生油气藏破坏作用明显。

    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.

    youdao

  • 随后—晚侏罗世盆地南部沉降—沉积强度显示出变趋势,期间没有出现沉降—沉积再加强现象

    Afterwards, the subsidence-sedimentation process slowed down gradually in the south of the Hefei Basin in the Middle-Late Jurassic without any strengthening phenomenon.

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  • 辽宁西部侏罗世义县粉植物群进行了系统研究,首次发现了目前为止世界上古老的被子植物花粉化石

    This paper reports fossil pollen collected recently from the Upper Jurassic Yixian Formation of western Liaoning Province, and first demonstrates the oldest known angiospermous pollen in the world.

    youdao

  • 柴达木盆地侏罗世地层分布变化较大沉积经历了自西北向北、再向东北的迁移过程。

    The stratigraphic distributions of Early Jurassic, Middle Jurassic and Late Jurassic in Qaidam Basin are greatly different. The deposit center had two times of great transpositions.

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  • 东北地区新生代盆地演化经历侏罗世陷盆地、侏罗世分割式前陆盆地、侏罗世末期至白垩纪裂谷盆地及新生代裂谷盆地四个演化阶段

    Basin evolution in ne China goes through four stages: early Jurassic rift basin, middle-late Jurassic partitioned foreland basin, late late Jurassic-Cretaceous rift basin and Cenozoic rift basin.

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  • 隆起侏罗世发生低幅隆升,在侏罗世强烈隆升使罗统地层遭受了严重的剥蚀

    Mild uplifting of the Che - Mo Palaeo - uplift occurred in the early Jurassic, and strong uplifting in the middle and late Jurassic, and thus the middle and upper Jurassic had been highly denuded.

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  • 侏罗世类前陆盆地形成燕山期挤压变形阶段

    The Mid-Late Jurassic semi-foreland basin formation and Early Yanshan compressive deformation stage;

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  • 侏罗世类前陆盆地形成燕山期挤压变形阶段

    The Mid-Late Jurassic semi-foreland basin formation and Early Yanshan compressive deformation stage;

    youdao

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