• 蔚县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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  • 云南禄劝泥盆世海口为以碎屑岩为主滨海沉积,地层中产有丰富鱼类植物双壳类化石

    The Haikou Formation of Middle Devonian in Luquan contains coal bearing sediments (predominantly clastic rocks)which are of littoral origin and yield abundant fishes, fossil plants and pelecypods.

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  • 地质学一直偏重于对含煤地层的地层学和沉积学的研究

    Coal geology emphatically studies always stratigraphy and sedimentology of coal and coal-bearing strata.

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  • 本文论述山西大同古生代含煤地层沉积特征及其地层学意义

    The authors discuss the depositional characteristics and sequence stratigraphic significance of late Paleozoic coal-bearing strata of the Datong area, Shanxi.

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  • 盆地早期沉积了以陆相碎屑岩火山岩为主建造

    During the early period of the basin, it was deposited mainly bearing coal construction clastic rocks and volcanic rocks of land facies.

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  • 地层属侏罗系陆相沉积

    Coal measures in Xiaonan coalmine belong to Jurassic terrestrial deposit.

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  • 灵武侏罗统延安含煤岩系为湖泊三角洲沉积

    The middle Jurassic series Yanan Formation of in Lingwu coalfield is a lacustrine deltaic deposit.

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  • 地质学一直偏重于对含煤地层的地层学和沉积学的研究

    Coal geology emphatically studies always stratigraphy and sedimentology of coal and coal bearing strata.

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  • 气量主要受控岩的沉积环境演化程度埋藏深度水文条件构造条件

    The amount of coal-seam gas is mainly controlled by the depositional environment, coal evolution degree, burial depth, hydrologic condition and structural conditions.

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  • 长广迭统龙潭岩系退系列海进系列组成一个完整沉积旋回

    The Upper Permian System Longtan coal measure in the Changguang coal deposit is a complete sedimentary cycle, consisting of a regressive and a transgressive series.

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  • 特征含煤的岩性、岩相组成及其空间组合受控沉积环境

    The characteristics of coal accumulating, lithology, composition of lithofacies and its spacial combination are all controlled by sedimentary environment.

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  • 平顶山二矿地层山西下部地层沉积环境上部三角洲体系的产物。

    In No. 2 Coal Mine of Pingdingshan, the sedimentary environment of the lower stratum of Shanxi formation is considered as the tidal plat and the upper stratum and the result of delta systems.

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  • 总的区域构造分布看,盆地沉积主要东向反射弧一级断裂坳陷所制约同时存在着次一级的东西向北东向复合交汇控制特征。

    According to tectonic zonation, the coal basin mainly restricted by secondary fault depression of NE reflex arc, meanwhile secondary EW and NE composite convergence existed.

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  • 陆相含煤断陷盆地中的河道泥石流沉积通常比较发育,成为影响生产重要地质因素

    Sediments of channel debris flow facies, is generally well developed in limnic fault basin and forms the important geological factors that influence the mining.

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  • 沉积组成山区河流、湖沼相灰色建造,物质成分与基底岩石具明显继承性。

    Sediments in basins consist of grey coal-bearing formation composed of fluvial alluvial, proluvial fac ies, lacustrine-swamp facies. The material composition of sedim

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  • 舒兰盆地位于依兰—伊通裂谷中段,为地堑盆地,依兰—伊通裂谷为盆地边缘断裂,控制了盆内白垩系新近系含煤地层沉积

    The Shulan basin is located in the middle sector of Yilan-Yitong rift, and is a semi-graben basin.

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  • 开平建造的划分及其沉积规律进行了研究这些都有助于冲积层掩盖下田预测工作和矿区外围及深部的找工作。

    The coal—bearing formation division of Kaiping coalfield and its depositional laws are studied in the article as well. All this would be an aid to the predi…

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  • 开平建造的划分及其沉积规律进行了研究这些都有助于冲积层掩盖下田预测工作和矿区外围及深部的找工作。

    The coal—bearing formation division of Kaiping coalfield and its depositional laws are studied in the article as well. All this would be an aid to the predi…

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