volcanic breccia

Volcanic breccia is highly water-saturated due to its fine pore geometry and poor physical properties ;

火山角砾岩由于孔隙结构微细，物性差，含水饱和度高；

Thick metasandstone and a lot of volcanic breccia and agglomerate in section indicate a shallow marine setting .

在剖面上，与变质玄武岩整合接触的巨厚的变砂岩和大量出现的火山角砾岩和集块岩是浅海环境的标志；

Pyroclastic rocks are mainly composed of volcanic breccia and tuff .

火山碎屑岩，包括火山角砾岩和凝灰岩；

Sedimentary pyroclastic rocks are mainly sedimentary tuff and sedimentary volcanic breccia .

沉火山碎屑岩，包括沉凝灰岩和沉火山角砾岩。

Jiuduigou Au deposit is controled by volcanic breccia body and compressional faults .

九对沟金矿床受火山角砾岩体及张扭性断裂带控制；

The thrid part are tuff , ferruginous dolomite , crystal tuff and volcanic breccia .

第三段以凝灰岩、铁质白云岩、晶屑凝灰岩、火山角砾岩为主。

The carbonated tree in volcanic breccia has been studied through high resolution transmission electronic microscopy ( HRTEM ), X-ray powder diffraction and laser Raman spectroscopy .

对浙江温岭火山角砾岩中的碳化树木进行了高分辨电子显微镜、X粉晶衍射和激光拉曼光谱研究。

There are three genetic types of mineralized breccia related to porphyry deposits in China , i. e. explosive , intrusive and volcanic breccia .

我国与斑岩矿床有关的矿化角砾岩的主要成因类型为爆破角砾岩、侵入角砾岩、火山角砾岩等。

Elevation and translation between high pressure mafic granulite and eclogite : research into xenoliths from ultramafic volcanic breccia pipe , xinyang , Henan province , China

高压基性麻粒岩与榴辉岩的抬升转换作用&信阳超镁铁质火山角砾岩管的捕虏体研究

This investigation also finds that different lithology have different physical properties and the slaggy basalt , the amygdaline basalt and the volcanic breccia have the best physical properties .

不同岩性火山岩的物性也有较大的差别，并以熔渣状玄武岩、杏仁状安山岩、火山角砾岩为好；

The rock mass of the right bank slope in dam area generally are metamorphosed volcanic breccia with metamorphic tuff ( T3xd ) and slate ( J2h ) which consisted the geological structure of transverse wide-angle inclined slope .

坝址区右岸岩体，总体上为片理化变质火山角砾岩夹变质凝灰岩（T3xd）和板岩（J2h）构成的薄层（板）状大角度横向倾向坡内地质结构。

A great mumber of melt inclusions are there in the quartz phenocrysts . The ore bodies of Emei pyrophyllite are located in rhyolitic crys-tal fragment tuff , ignimbrite and volcanic breccia ( agglomerate ) - bearing tuff .

石英晶屑内熔融包裹体发育。峨嵋矿区矿体赋存于流纹质晶屑凝灰岩、熔结凝灰岩、含火山角砾（集块）凝灰岩中。

This paper gives an uranium deposit example which relates directly to volcanic intrusion dormant explosion breccia in origin .

本文提供了一个与火山侵入-隐爆角砾岩有直接成因联系的铀矿床实例。

The ore bodies are controlled by volcanic domes , explosion breccia pipes and faults striking northwest and northeast .

矿床（体）受火山穹隆和爆破角砾岩筒及北西向、北东向断裂构造控制；

These deposits were , when being formed , controlled by volcanic structures ( volcanic dome and volcanic breccia pipe ), fault structures ( NE and NW trending ), gabbro porphyrite body and depression in depression .

火山穹窿、爆发角砾岩筒等火山构造，NE向、NW向断裂构造，辉石闪长玢岩体，洼中洼环境等对成矿具有控制作用。

Most of the Carboniferous volcanic reservoir is volcanic rock reservoir . The volcanic breccia is better than others , as well as as well as in the outbreak phase than others phases . Reservoir space belongs to dual structure porosity what are the cracks and the pore .

石炭系-下二叠储层大多为火山岩储层，储层岩石类型以火山角砾岩为好，以爆发相为好，储集空间属于裂缝-孔隙双重孔隙结构。

The analysis of volcanic petrology indicates that the volcanic lithofacies can be divided into volcanic breccia , lava , ash and sedimentary ones .

通过对火山岩岩石学特征分析，将火山岩岩相划分为火山角砾岩柑、火山熔岩相、火山灰相和火山沉积相。

Epimetamorphic rock series distributed in the south of the Dabie Orogenic Belt are a sequence of volcanic clastic rock series , mainly composed of silty phyllite , laminated siliceous slate , meta volcanic breccia and leptite .

分布在大别造山带南部的浅变质岩层，主要岩石类型为粉砂质千枚岩、变层纹状硅质板岩、变火山角砾岩及浅粒岩，原岩是火山&碎屑沉积岩系。

The deposit is located on the intersection of volcanic framework annular fault structure and region north and west fault structure , the ore body is limited in the volcanic intrusive space , and fixed in volcanic earthquake or volcanic breccia zone of hidden explosives .

矿床赋存于火山机构相的环形断裂构造和区域北西向断裂构造的交汇部位，矿体局限在次火山岩的侵入空间内，并定格在火山地震或次火山隐爆下的角砾岩带中。