岩性组合

可划分为两类岩性组合序列，分别赋存着镍钼-金银矿化和钒-银矿化。

They can be divided into two types of lithological association sequences , respectively hosting NiMoAuAg mineralization and VAg mineralization .

成矿界面主要有岩性组合界面、构造界面、构造物理&化学界面和构造流体界面等，它们严格控制成矿物质的最终定位；

Ore-forming interfaces , including lithological association interface , tectonic interface , tectonic physical-chemical interface and tectonic fluid interface , strictly control the final location of ore-forming materials ;

浅缓坡位于浪基面至风暴浪基面之间，岩性组合为A、B类风暴岩，A、B类瘤状灰岩、生物礁灰岩及粘结岩；

The shallow ramp which is between the wave base and the storm wave base , has type A , B tempestites , pattern A , B nodular limestone , reef limestone and bindstone deposits ;

二是由于T2断层处的岩性组合特点，在晚白垩世以来的区域挤压背景下在断层附近形成一个岩性过渡带的地震响应。

Secondly , characteristics of lithologic association of T_2 Fault form a seismic response to lithology belt of transition near fault in the regional compound background in later Cretaceous stage .

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 ;

不同岩性组合的反射波波形是不一致的。

Different lithologic combinations bring different reflection wave - forms .

主要取得以下几点认识：（1）岩石地层研究：对研究区内二叠系岩石地层划分及其分布、岩性组合特征进行了研究。

Lithostratigraphy : It is mainly about the lithostratigraphic division of Permian in researched area .

讨论了拉嘎组的岩性组合特征及横向变化规律。

The characteristics and lateral variation of the lithologic associations of the Laka Formation are discussed .

黄土高原重力侵蚀的地形与岩性组合因子分析

An analysis to the combined factors of topography and lithology in the gravitational erosion of Loess Plateau

水力破裂作用的成因主要与布达特群岩性组合特征、构造-流体作用有关。

The hydrofracturing of Budate Group is mainly related to frequent lithologic characters , tectonism and fluidization .

相应的伴生构造和沉积物发育特征导致构造、构造&岩性组合控制了油气的分布：北段下段、中北段下段近湖一侧是廊固凹陷中西部有利的油气聚集带；

The relevant associated tectonic and sediment development characteristics made the structure and structure-lithology combination controlling the hydrocarbon distribution .

泥质涂抹层的形成与断距大小、剖面岩性组合特征及泥岩含量等密切相关。

The formation of the muddy smear has close relationship with fault throw , lithologic composition feature and mudstone content .

沉积相和沉积环境的演化创造了良好的岩相及岩性组合条件，有利于层间氧化作用的进行；

The evolution of sedimentary facies and sedimentary environments creates good litho facies and lithological conditions favorable for interlayer oxidation ;

滇东晚二叠世含煤岩系良好的岩性组合，贮藏了丰富的煤层气资源。

The excellent rock assemblage of Late Permian coal - bearing rock series in East Yunnan contains abundant seam gas resources .

瓦斯的赋存与成煤时的沉积环境、含煤地层岩性组合、构造、煤层与煤质等诸多因素有关系。

Gas occurrence is related to differents factors such as the sedimentary environment , lithologic combination , structure and seam of strata .

碱性岩的岩性组合主要以灰黑色粗面岩为主、并含有角砾熔岩，正长斑岩、正长细晶岩等。

Alkaline rocks in the area are mainly composed of gray-black trachyte , and some breccia lava , syenite porphyry and syenite aplite .

同沉积背斜圈闭带储层层位物性好，封堵条件良好，断裂构造和岩性组合非常有利；

Synsedimentary anticline play zone with reservoirs of good physical nature , good condition of plug-back and beneficial association of fault structure and lithology ;

兰州&民和盆地下白垩统河口群是一套厚度巨大的陆相碎屑岩沉积，根据岩性组合和沉积旋回，自下而上将河口群划分为8个非正式的组级单位。

The Early Cretaceous Hekou Group in Lanzhou-Minhe Basin is composed of terrestrial sediments with great thickness , and can be subdivided into eight informal formations .

有利油气聚集带分布在孔店组上下界面、由构造&岩性组合而形成的圈闭和不整合面遮挡而成的地层圈闭区。

The movement made it possible for oil and gas accumulation zone to distribute at both the top interface and the bottom interface of Kongdian Group .

根据岩性组合规律建立火山岩解释模型，对深层的火山岩测井资料进行处理与解释。

The well log data are processed and interpreted in this paper according to volcanic reservoir interpretation model which is established under the law of lithology grouping .

该方法利用测井和过井地震资料标定砂体沉积类型、岩性组合、沉积结构、沉积构造和砂体宽度等特征。

Log data and crosswell seismic data are used to calibrate the sedimentation types of sand body , lithological composition , sedimentary structure and sand body width , etc.

庐山地区发育的变质岩地层具不同岩性组合和变形变质特征及复杂的接触关系，历来为中外地质学家所瞩目。

The metamorphic strata developed in Mount Lu area is characterized by the different lithologic assemblages and the features of deformation and metamorphism as well as the complex contact relation .

其控制因素主要受构造单元的控制（即北部斜坡带、中央凹陷带和南部断超带），也受岩性组合、生储盖配置方式的控制。

The key dominant factors are tectonic units ( northern slope , central depression and southern fault overlap zones ), and lithologic assemblage and source reservoir cap rock assemblages as well .

根据该地层的岩性组合、沉积环境等特征及区域对比，应归于泥盆系温泉组。湘东南地区震旦纪地层的新划分与区域对比

According to the lithological association , sedimentary environment and regional stratigraphic correlation , it should be the Devonian Wenquan Formation . New Stratigraphic Division and Correlation of Sinian System in Southeastern Hunan

通过牙形石、化石岩石学和岩性组合的研究，结合测井资料对这套地层进行了重新厘定，建立了古生代寒武纪、奥陶纪地层层序，并对这套地层特征进行了详细描述。

By study on conodonts , fossil petrology , rock assemblage and logging data , this set of strata is reclassified and described , and the stratum sequence of Cambrian and Ordovician is established .

各类矿床具有不同的赋矿地层岩性组合、控矿构造、岩相古地理以及矿石类型、矿物组合和结构构造。

These types of deposits have different lithological assemblages of host strata , ore-controlling structures , lithofacies paleogeography , as well as ore characteristics including type , mineral and texture and structure . 2 .

数值分析显示内硬外软性状差异岩性组合斜坡在分界面产生拉应力集中，坡体地震动峰值加速度响应最为强烈，结合调查研究认为在高陡地形条件下外软岩体易形成抛射效应。

Numerical simulations show that a slope with internally hard and externally soft lithology combination generates tension stress concentration on the interface of lithology , and it shows the strongest seismic response in peak accelerations .

据地层岩性组合、富水性、水力联系等特征，将矿区范围内地层划分为13个含、隔水层，总体呈相间分布特点。

According to the characteristic conditions of lithological association , water content , hydraulic connection of strata , etc , the rocks can be divided into 13 aquifers or aquicludes which are general alternate distribution .

根据岩石、岩性组合、沉积构造及沉积环境等特征的研究，认为该套地层为晚印支期西秦岭褶皱成山后，山间断陷盆地中由曲流河所形成的产物；

In terms of the features of its rocks , lithologic association , sedimentary structures and sedimentary settings , it is stipulated that the stratum was the product of meandering streams of intermountain faulted basin .

并与区域地层进行对比，在厘定组级地层单位的基础上，按岩性组合划分了层级地层单位，并确定了惟一地层序号。

Through comparison with regional formation , stratigraphic units were defined according to the composition of lithological characters on the basis of stratigraphic unit group , and the ordinal number of each stratum was determined .