火山碎屑

呈透镜状、扁豆状的火山碎屑岩的发现为研究该类矿床提供了较为直观的地质依据。

The findings of lens and bean-like pyroclast provide intuitionistic geological evidence for the deposit study of this kind .

黄土高原南缘午城黄土底部火山碎屑的来源和成因

Study on Source and Origin of Pyroclasts in the Bottom of Wucheng Loess in the South Margin of Loess Plateau

在马里亚纳海槽（18°N）附近的沉积岩芯中，火山碎屑物质丰富，且夹有数目不等的火山灰层。

Two sediment cores from Mariana Trough ( located at 18 ° N ) are both rich in volcanogenic debris with a number of ash layers .

冀北滦平晚中生代火山碎屑（熔）岩中锆石SHRIMPU-Pb年龄及其地质意义

SHRIMP U-Pb zircon age of Late Mesozoic tuff ( lava ) in Luanping basin , northern Hebei , and its implications

火山碎屑矿物主要分布于15°N两侧的深海平原和海山区，来源于海底火山岩的剥蚀物和附近弧状列岛的火山喷发物。

The volcanogenic minerals mainly distribute in the abyssal plain and the seamount near the latitude of 15 ° N , mainly come from the erosion of the volcanic rocks in the seabed and the volcano eruptions in the vicinity of islands .

麦哲伦海山区MA、MC、MD、ME、MF海山的结壳基岩类型主要有玄武岩、火山碎屑岩，其次为灰岩和磷块岩。

The substrate is mainly basalt and volcanic clastic rock , and then limestone and phosphorite in seamounts MA , MC , MD , ME , MF from Magellan seamounts .

在呼市草原古隆起带，第四系地层沉积较薄，地下1～5m即为安山岩，玄武岩和火山碎屑岩，找水有一定难度。

Water research is rather difficult in the ancient uplift zone in Hulun Buir steppe , because of thin Quaternary deposit , and andesite , basalt and pyroclastic rocks just 1-5m below surface .

其中一、三段为陆相喷发的橄榄拉斑、玄武岩、橄榄玄武岩，局部夹火山碎屑岩，厚度分别为49m和15～55m。

The first and third divisions are of marine origin ; lithologically represented by olivine tholeiite and olivine basalt locally With pyroclastic rocks , being 49 m and 15-58 m respectively .

细粒碎屑与火山碎屑混杂，其中的火山玻璃蚀变为沸石和（或）蒙脱石，也出现有含硼酸盐的沉积物（Jarandol盆地）。

Fine-grained clastics mixed with pyroclastics in which volcanic glass was altered into zeolites and / or smectite and the borate-containing deposits ( Jarandol basin ) occur too .

下扬子区中上元古界，可以分为四个构造层次.中元古界早期构造层，为一套巨厚的地槽型火山碎屑岩及砂泥质复理石建造，形成于1900-1400Ma；

The middle-upper Proterozoic of lower Yangtze area can be divided into four structural layers : the first one , formed at early stage of middel Proterozoic ( 1900-1400Ma ), was characterized by a suit of geosyncline pyroclastic rocks and flysch formation ;

与熔岩呈过渡的火山碎屑岩主要为角砾熔岩和集块熔岩。

The second rock is mainly breccia lava and conglomerate lava .

其应属于与流纹熔岩及其火山碎屑岩密切相关的浅成热液型金矿床。

It is an epithermal gold deposit relating to volcanic rock .

火山碎屑岩，包括火山角砾岩和凝灰岩；

Pyroclastic rocks are mainly composed of volcanic breccia and tuff .

侵入岩、火山碎屑岩和砂岩，坚硬致密，风化裂隙不发育，是很好的建筑基岩。

The granite , epimetamorphism tuff and sandstone are hard basement rocks .

火山碎屑岩的碎屑粒度分析及其应用

The sizing of fragments of pyroclastic rocks and its application

相山火山碎屑岩中粒间应力效应迹象

Evidence on grain-to-grain stress effect in pyroclastic rocks of Xiangshan

前者的原岩是沉积火山碎屑岩；

The protoliths of the former are sedimentary pyroclastic rocks ;

岩性主要为玄武岩、火山碎屑岩、安山岩和流纹岩；

Its lithology mainly contains Basalt , Lava , Andesite and Rhyolite .

风城组的白云岩及火山碎屑岩的分布部位也为良好的储层。

Dolomite and volcaniclastic rocks of Fengcheng formation are also good reservoirs .

陆上火山碎屑流沉积剖面的研究

A Study of Sedimentary Section of the Subaerial Pyroclastic Flows

火山碎屑岩分类评述及火山沉积学研究展望

Classification of Pyroclastic Rocks and Trend of Volcanic Sedimentology : A Review

沉火山碎屑岩，包括沉凝灰岩和沉火山角砾岩。

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

滦平地区火山碎屑流冷却单元划分及特征

The Classification and Feature of Cooling Units of Pyroclastic Flow in Luanping Area

火山碎屑沉积岩储层泥质与凝灰含量计算方法研究

Computation Method for Shale and Tuff Content in Reservoir with Pyroclastic Sedimentary Rock

火山碎屑岩层测井曲线自动分层方法研究

Research on the Method of Automatic Segmentation of Well Logs of Pyroclastic Rock

中太平洋西部深海沉积物中的火山碎屑与粘土矿物

Volcanic debris and clay minerals in the deep-sea sediments of the Western Central Pacific

南金山金矿床产于北山岛弧构造带内、海相火山碎屑岩之中。

Nan-Jin-Shan Gold Deposit occurs in marine pyroclastic rock in Bei-shan late-paleozoic island arc belt .

商741沙一段火山碎屑岩油藏高效开发技术研究

High Efficiency Development of Volcano Clastic Rock Reservoir of Es_1 Member in Shang 741 Oilfield

其中，火山碎屑岩类、火山-沉积岩类成岩作用受火山碎屑物质控制作用明显。

Diagenesis is mainly controlled by volcanic clastic materials in pyroclastic rocks , volcanic-sedimentary rocks .

新疆北部泥盆系火山碎屑浊积岩层序结构特征及其地质意义

Sequence Structural Characteristics of the Devonian Volcanoclastic Turbidites in Northern Xinjiang and Their Geological Significance