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 early to middle Jurassic coal-bearing deposition is mainly consisted of fluvial or lakeshore, estuarine delta facies, lacustrine facies and slough facies.
云南禄劝中泥盆世海口组为以碎屑岩为主的滨海相含煤沉积,地层中产有丰富的鱼类、植物和双壳类化石;
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.
煤地质学一直偏重于对煤和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.
本文论述了山西大同晚古生代含煤地层的沉积特征及其层序地层学意义。
The authors discuss the depositional characteristics and sequence stratigraphic significance of late Paleozoic coal-bearing strata of the Datong area, Shanxi.
盆地早期,沉积了以陆相碎屑岩和火山岩为主的含煤建造。
During the early period of the basin, it was deposited mainly bearing coal construction clastic rocks and volcanic rocks of land facies.
晓南煤矿含煤地层属侏罗系陆相沉积。
Coal measures in Xiaonan coalmine belong to Jurassic terrestrial 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。
The middle Jurassic series Yanan Formation of in Lingwu coalfield is a lacustrine deltaic deposit.
煤地质学一直偏重于对煤和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.
煤层含气量主要受控于煤岩的沉积环境、煤演化程度、埋藏深度、水文条件与构造条件。
The amount of coal-seam gas is mainly controlled by the depositional environment, coal evolution degree, burial depth, hydrologic condition and structural conditions.
长广煤田上二迭统龙潭含煤岩系是由海退系列和海进系列组成的一个完整沉积旋回。
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.
聚煤特征、含煤岩系的岩性、岩相组成及其空间组合均受控于沉积环境。
The characteristics of coal accumulating, lithology, composition of lithofacies and its spacial combination are all controlled by sedimentary environment.
平顶山二矿含煤地层山西组下部地层的沉积环境为潮坪,上部是三角洲体系的产物。
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.
从总的区域构造分布看,含煤盆地沉积主要受北东向反射弧的次一级断裂坳陷所制约,同时也存在着次一级的东西向与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.
在陆相含煤断陷盆地,煤层中的河道泥石流相沉积通常比较发育,并成为影响采煤生产的重要地质因素。
Sediments of channel debris flow facies, is generally well developed in limnic fault basin and forms the important geological factors that influence the mining.
沉积物组成了山区河流冲洪积相、湖沼相的灰色含煤建造,其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…
舒兰盆地位于依兰—伊通裂谷中段,为半地堑盆地,依兰—伊通裂谷为盆地的边缘断裂,控制了盆内白垩系及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.
对开平煤田的含煤建造的划分及其沉积规律也进行了研究,这些都有助于冲积层掩盖下的煤田预测工作和矿区外围及深部的找煤工作。
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…
对开平煤田的含煤建造的划分及其沉积规律也进行了研究,这些都有助于冲积层掩盖下的煤田预测工作和矿区外围及深部的找煤工作。
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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