粉砂岩

新疆库地蛇绿岩堆积厚度达1500m以上，主要岩石由纯橄岩、斜辉橄榄岩、辉长岩、块状玄武岩、枕状玄武岩、玄武安山岩、硅质岩、粉砂岩等组成。

The ophiolite is composed of dunite , peridotite , gabbro , massive basalt , pillow basalt , basaltic andesite , silicalite and siltstone with thickness of over 1500 m.

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 ;

华南玄武岩型、灰岩型红土上覆植被以阔叶林为主，变质岩、粉砂岩、北海组（q2）型红土为针阔叶混交林，花岗岩型红土则以针叶林为主。

The main cover is the broadleaf forest on red soil of basaltic rock and limestone type , the mixed forest on red soil of metamorphic rock , silt sandstone and Q2 type , and the conifer forest onred soil of granite type in South china .

复合钻井条件下粉砂岩与盐膏岩的准确识别

Accurately distinguishing siltstone and salt gypsum rock under combination drilling condition

古河道由水流切割而侵入下伏的红色粉砂岩中。

Channels are incised by streams into the underlying red siltstones .

高含水期粉砂岩储层水淹层解释方法研究

Water-out Reservoir Interpretation Method in Siltstone Reservoirs at High Watercut Stage

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

容矿岩石主要为钙质粉砂岩、粉砂质板岩。

The host rocks are mainly calcareous siltstone and silty slate .

储层岩性以粉砂岩和细砂岩为主，次生孔隙发育，属中孔低渗储层。

The reservoir belongs to the middle porosity-low permeability reservoir .

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

沉积岩有杂砂岩、粉砂岩、凝灰岩、泥质岩等。

The sedimentary rocks are graywacke , siltstone , tuff andpellitie , etc.

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

泥质粉砂岩；（4）凝灰岩。

( s ) pelitic siltstone ( 4 ) tuff .

粉砂岩的强度特性和变形特性

The Brilliant Character Strength and Softness Strength and Deformation Performances of Siltstone

砂岩和粉砂岩主要分布于上部和下部，中部砂岩和粉砂岩较少；

Sandstones and siltstones are mainly concentrated in the upper and lower parts .

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

中浅层细粉砂岩注水井化学防砂试验研究

Test study of chemical sand control for moderate shallow fine siltstone water well

矿石的岩石类型有：生物灰岩、粉砂岩、断层角砾岩、泥岩等。

Ore-bearing rocks are mainly biogenic limestone , siltstone , and fault breccia .

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

上部为杂色粉砂岩、泥岩，含植物化石。

4-varicoloured siltstone and mudstone , containing plant remains .

软质粉砂岩变形与强度的试验分析

Experimental study on deformability and strength of soft siltstone

基于专家系统的粉砂岩低渗透储层沉积微相识别

Identification of sedimentary microfacies of low - permeability siltstone reservoirs by expert system

裂缝主要发育在粉砂岩中，规模不大，以垂直缝为主，充填较严重；

Fractures rich in silt rock are small in the size and mainly vertical .

砂质内碎屑微晶灰岩一些薄层砂岩和暗灰色粉砂岩显示出滑动构造。

Some thin beds of layered sandstone and dark grey siltstone show slump structures .

沉积区岩性包括砂砾岩、砂岩、粉砂岩和泥岩。

Sandy conglomerate , sandy stone and siltstone are developed in the sedimentary zone .

金矿体围岩为上罗安组粉砂岩。

The host rock of the gold orebody is siltstone in Upper Roan Group .

岩石类型以砂岩和粉砂岩为主，其次是细砾岩；

The rock types are mainly sandstone and siltstone , the rest is fine conglomerate ;

岩块由灰岩和细碎屑岩组成，基质为粉砂岩。

Carbonate and fine clastic rocks is its block , and siltstone is its matrix .

沉积区：岩性由砂砾岩、砂岩、粉砂岩夹泥岩组成。

Depositional district : lithologically , they are sandy conglomerate , sandstone , siltstone interbedded with mudstone .

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 .