本文研究了含铁火山角砾岩筒的形态、内部结构和成因问题。
The morphology, inner structure and problems of the iron-bearing diatremes genesis are considered.
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 thrid part are tuff, ferruginous dolomite, crystal tuff and volcanic breccia.
溶蚀火山角砾岩，气孔玄武岩和裂缝发育的致密玄武岩是区内最好的储集岩类。
The best reservoir rocks in the area are dissolution volcanic breccias, vesicular basalt and tight basalts with developed fractures.
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。
There are three genetic types of mineralized breccia related to porphyry deposits in China, i. e. explosive, intrusive and volcanic breccia.
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；
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.
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。
The analysis of volcanic petrology indicates that the volcanic lithofacies can be divided into volcanic breccia, lava, ash and sedimentary ones.
本文揭示了火山角砾岩筒形成中侵入凝灰岩化过程的主导作用、火山角砾岩筒参数和含矿性与岩浆活动专属性的关系。
The leading role of tuffisitization processes in formation of diatremes, parameters and ore content of diatremes relation to peculiarities of the magmatism manifestation are revealed.
镁铝榴石形成于滇东南晚第三纪岩简状的玄武质次火山角砾岩中，角砾岩成分复杂，其中包含有镁铝榴石和铬透辉石等可作宝石材料利用的角砾和晶屑。
The rubbles and crpetals of prrope and chrome-diopsidewhich can be used as gem materials are found in the breccias whose component is very complex.
火山碎屑岩可见熔集块岩、熔角砾岩和熔结凝灰岩。
The volcaniclastic rocks can be seen as fused lumps, fused breccias and fused tuffs.
火山周边断裂规模相对较大，其内多形成构造角砾岩带，是成矿物质沉淀、富集的理想场所和最有利的容矿构造。
The fractures around the volcanic dome are rich in structural breccia belt, which is good place for the ore depositing, and became the host structure.
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。
This paper gives an uranium deposit example which relates directly to volcanic intrusion dormant explosion breccia in origin.
晋东北地区出露一系列与燕山期富碱的酸性、中酸性浅成相-次火山相有成因联系的爆破角砾岩筒。
A series of explosive breccia pipes, related to acid rich-alkaline subvolcanic rocks of Yanshan period in origin, occur in the Northeast Shanxi Province.
安溪铅山铅锌矿区复成分角砾岩为一套火山碎屑岩-沉火山碎屑岩-火山碎屑沉积岩。
The polymictic breccia in the Qianshan lead-zinc ore district of Anxi County is a suit of volcaniclastic rock, sedimentary pyroclastic rock and pyroclastic sedimentary rock.
主要控矿条件为小岩株状石英闪长玢岩（次火山岩），其中寄生的隐爆角砾岩筒及外围裂隙中赋存着金矿体；
The main control condition is quartz diorite-porphyrite with the shape of small rock stub(subvolcanic rocks), among the parasitic rubblerack tube and the off-lying crack, the gold orebody occurs.
爆破角砾岩筒属火山口相和火山管道相，脉岩属次火山相。
The diatreme breccia pipes belong to volcanic crater phase and volcanic conduit phase, and consist of breccias and binding material.
小盖州剖面元古宙火山岩具有安山岩岩石成分，由熔结角砾岩、熔岩角砾岩及熔岩组成。
The Proterozoic volcanic rocks in Xiaogaizhou section is composed of rhyakkumulate, la-va breccia and lava with andesitic composition;
小盖州剖面元古宙火山岩具有安山岩岩石成分，由熔结角砾岩、熔岩角砾岩及熔岩组成。
The Proterozoic volcanic rocks in Xiaogaizhou section is composed of rhyakkumulate, la-va breccia and lava with andesitic composition;
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