泥质粉砂岩

泥质粉砂岩；（4）凝灰岩。

( s ) pelitic siltstone ( 4 ) tuff .

在燕山地区中元古代常州沟组中发育有大量的潜穴化石，潜穴产于常州沟组中部的泥质粉砂岩中。

A large amount of burrow fossils are found in pelitic siltstone in the middle Changzhougou Formation of the Mesoproterozoic in the Yanshan area .

泥质粉砂岩含水率对其蠕变特性影响的研究

The Effect of Water Content on Creep Law of Silty Sand

抚州市泥质粉砂岩全风化工程性质研究

Study on the Engineering behavior of whole-weathered pelitic siltstone in FuZhou city

泥质粉砂岩；赤泥制作瓷质砖黑色颗粒料的研究

Pelitic siltstone . Black Ceramic Pigment Synthesized with Red Mud

湖南白垩系泥质粉砂岩风化特性研究

Study on the weathering characteristics of Cretaceous argillaceous siltstone

抚州泥质粉砂岩饱和单轴抗压强度试验研究

Experimental Study of Saturated Uniaxial Compressive Strength Test of Politic Siltstone in Fuzhou

志留系沉积以滨浅海的中细砂岩、粉砂岩及泥质粉砂岩为主。

The Silurian was mainly medium sand , fine sand , siltstone and pelitic siltstone in shallow sea .

第二段由泥质粉砂岩、石英砂岩互层，钙质细砂岩、粉砂岩、碳质页岩、灰岩组成，间夹火山碎屑岩；

The second part contain muddy siltstone , calcareous fine - sandstone , carbonaceous shale and pyroclastic rock .

本文研究了某地泥质粉砂岩各向异性强度特征。

In this paper , strength properties of anisotropic rock have been measured for an argillaceous siltstone from somewhere .

东秦岭丹凤蛇绿混杂岩带变泥质粉砂岩的地球化学特征及物源分析

Geochemical characteristics and provenance of meta-mud siltstones from the Danfeng ophiolite m é lange in eastern Qinling , central China

研究区目的层的岩性主要为细砂岩、粉砂岩、泥质粉砂岩和泥岩。

Lithology of P ⅰ group of the study area is mainly fine-grained sandstone , siltstone , mudstone and siltstone , mudstone .

通过瞬态压力脉冲法，测试泥质粉砂岩和褐红色泥岩等2种典型软岩全应力-应变过程中的渗透系数。

The permeability coefficients of clayey siltstone and brown mudstone were investigated by the transient pulse technique in the complete stress-strain curve .

滑体物质组成包括上部为残坡积粘土夹碎石和老滑坡堆积体、下部为沙镇溪组泥质粉砂岩两部分，沿基岩软层顺层下滑。

The landslide is translational along the declining interbeded shale layer , consisted of the old sliding and falling accumulation in the upper and the bedrock on the bottom .

探讨了如何利用地质雷达及浅层地震有关原理判释泥质粉砂岩中隐伏断裂带的性质和特征。

It is very important how to use the relevant principle of the geological radar and shallow seismicity to interpret correctly the characteristics of blind fracture zone in the argillaceous siltstone .

柴达木盆地中东部地区第四系天然气储集层的砂岩粒度普遍较细，主要为粉砂岩、泥质粉砂岩，沉积环境为水动力条件较弱的滨浅湖环境。

Rock granularity of the reservoir is very fine at large in the researching zone , mainly is mealy sand-rock and mud-bearing mealy sand-rock , belonging to shore shallow lake environment .

与相同围压、干躁状态下的试验结果相比，在室内模拟渗流耦合条件下，泥质粉砂岩的峰值应力下降了70%，峰值应变下降了50%；

Compared with the dry samples under the same confining pressure , under seepage-coupling condition , the peak stress of clayey siltstone decreases 70 % and the peak strain decreases 50 % ;

砂体类型以三角洲前缘席状砂体和远砂坝砂体为主，砂岩以粉砂岩、泥质粉砂岩为主，泥质含量较高。

The types of sand bodies are mainly sand sheet and sand bar of delta front . The lithology of sandstone is mainly siltstone , and argillaceous siltstone , with high shale content .

试验结果表明：（1）泥质粉砂岩的渗透系数在弹性阶段随轴向应变发展逐渐减小，在随后的塑性及破坏阶段逐渐增大；

The results show that : ( 1 ) The permeability coefficient of clayey siltstone decreases in the stage of elastic deformation but increases in the stage of plastic deformation and the fractured phases .

中上奥陶统以半深海相的浊流沉积为主，岩性主要为碎屑岩。志留系沉积以滨浅海的中细砂岩、粉砂岩及泥质粉砂岩为主。

The middle and upper Ordovician was characterized by clastic rock of turbidity facies in bathyal sea . The Silurian was mainly medium sand , fine sand , siltstone and pelitic siltstone in shallow sea .

为保证软岩的钻探质量，提高软岩钻探效率，介绍了第三系泥质粉砂岩软质岩层的钻进参数选择和钻探工艺。

The drilling parameter selection and technology improvement of the soft rock of argillaceous siltstone of Tertiary system were introduced in order to insure the drilling quality and improving the drilling efficiency of soft rock .

组合（2）是具花岗&绿岩带特征的晚太古代中、低级变质岩系.东秦岭丹凤蛇绿混杂岩带变泥质粉砂岩的地球化学特征及物源分析

Unit two belongs to late Archaean middle-low grade metamorphic rocks with the characteristics of granite - greenstone belt . Geochemical characteristics and provenance of meta-mud siltstones from the Danfeng ophiolite m é lange in eastern Qinling , central China

湖南省区域内存在着大量的晚白垩系及早第三系陆相沉积的红色、褐红色、紫红色泥质粉砂岩、泥岩等地层，工程领域将此种地基称为红层地基。

There are a lot of red , maroon or claret politic siltstone and mudstone deposited in continental facies at late-cretaceous System and tertiary in Hunan province . The foundation is called " Red beds foundation " in engineering field .

灰白色高岭土化泥质粉砂岩形成于氧化环境，其元素富集特征和稀土元素地球化学特征均与含铀砂岩相近，为铀的迁移和富集提供了有利条件；

The hoary kaolinized argillaceous siltstone was formed in oxidizing environment , and it ′ s characteristics of element enrichment and REE geochemistry were analogical with the uranium-bearing sandstone , and wherefore it furnished a advanced condition to the uranium transfer and enrichment .

这些激电异常位于西北向断裂附近和背斜处，矿化部位位于泥质粉砂岩、页岩与细砂岩中，为研究区成矿地质条件下的研究提供了物探依据。

The IP anomaly is located near to the northwest fault and anticline , mineralized site is located in the argillaceous siltstone , shale and fine sandstone , which provided a basis for geophysical prospecting for metallogenic geological conditions research of the study area .

煤层埋藏远低于当地最低侵蚀基准面，围岩以粉砂岩、细砂岩及泥质粉砂岩为主，主可采煤层共计15层，多分布于龙潭组中。

Coals are , far below the local base level of erosion in mining area , buried in the siltstone , fine sandstone and pelitic siltstone . There total are 15 layers major workable coal , and most of them are included in the Longtan formation .

通过调查研究朝阳坡平缓泥质粉砂岩滑坡，对其滑坡产生的地质条件、软弱夹层与斜坡和冲沟的关系、软弱夹层的强度指标、裂缝的发展等进行了分析。

Chaoyang slope is a typical landslide , which is composed of gentle inclined argillaceous sandstone . By investigation of the slope , its engineering geologic conditions , buried weak layers , gullies ' relationships , strength parameters and the development of fractures are acquired and analyzed .

元素地球化学特征显示东胜铀矿的铀源主要来自上地壳，灰白色高岭土化泥质粉砂岩及灰绿色粗砂岩对铀矿的形成具有重要的意义，灰色粗砂岩具有良好的找矿潜力；

The character of elements geochemical shows that the uranium of Dongsheng uran ore comes from the upper crust , the greyish-green gritstone and hoary kaolinised argillaceous siltstone is important for the formation of uranium deposits , and the grey gritstone is great potential to surveying uranium deposits .

根据测井响应特征的差异，将其划分为中、高孔渗高含气丰度气层和中、低孔渗低含气丰度气层及泥质粉（细）砂岩气层三种类型。

The gas reservoirs may be classified three types of high abundance gas-bearing formations with middle-high porosity-permeability , low abundance gas-bearing formations with middle-low porosity-permeability and gas-bearing argillaceous siltstone formations according to the difference of log response characteristics .

岩石颗粒细（粒度中值一般0.07mm），泥质成分多（泥质含量普遍15%），岩性组合为粉砂岩、泥质粉砂岩、粉砂质泥岩，岩石孔隙结构较复杂；

The rock grain is fine ( the medium grain size is generally less than 0.07mm ), the muddy content is high ( 15 % ), the lithology is fine siltstone , muddy siltstone and silty mudstone , the rock pore structure is complicated ;