层火山

火山喷发后，小城落了一层火山灰。

Volcanic ash showered down on the town after the eruption .

厚层火山岩地震响应研究

Study of seismic response for thick-layered volcanic rock

松辽盆地营城组的储层火山岩以陆上喷发火山岩为主；

Most of volcanic reservoirs in Yingcheng Formation of Songliao Basin are subaerial volcanic reservoirs .

在晋中冀西晚古生代太原组中段普遍发育有一层火山事件层。

A volcanic event layer in the Middle Taiyuan Formation of Late Palaeozoic is widely distributed in the central Shanxi and western Hebei .

10层火山灰中的锆石大部分具有柱状，特别是长柱状的晶形和震荡环带或均一的内部结构，指示了它们的岩浆和火山成因。

Most zircons from ten ash beds have prismatic , especially long prismatic outlines and oscillatory zoned or homogenous internal structures , indicating their magmatic and volcanic origin .

五彩湾地区火山机构具有典型层火山的特点，通过地震、测井、录井、岩心等资料的综合运用，建立了四种典型火山岩组合地震响应特征剖面。

Four typical seismic response characteristic profiles for the vary lithological combinations are founded by using of the cores , geology logging data , log and seismic data comprehensively .

在岩矿鉴定的基础上，对晋中冀西太原组中段普遍发育的一层火山事件层做了岩石化学、稀土元素和微量元素分析。

Results of research on the petrological , petrochemical , rare elements ′ and trace elements ′ characteristics of the volcanic event layers in Mid Taiyuan Formation from middle region of Shanxi and western region of Hebei are presented .

该区为长期发育的古隆起，是南、北次洼油气长期运移的指向区，断陷期火山活动频繁，是寻找特殊储层火山岩气藏的有利场所。

The area is long-term development of paleo-uplift where is the point of North and South sub-depression oil and gas long-term migration to . Because of frequently volcanic activity at rift period this area is advantageous to searching for volcanic rock Gas pool .

本文通过对8个澳大利亚TEM标准锆石和近百枚云南梅树村剖面前寒武系&寒武系界线M5层斑脱岩火山成因锆石进行了不同入射方位的激光拉曼光谱分析和对比研究。

This paper studies the laser Raman spectrum of zircons at different scatter angles , including 8 standard TEM zircons in Australia and about 100 volcanic zircons from the M5 bentonites of Precambrian & Cambrian boundary at the Meishucun section in Yunnan , China .

【参考译文】火山喷射出的热空气、火山灰散布在空气中还有地面上厚厚一层的火山岩。

They spewed out thick clouds of hot air , ash and volcanic rock which settled on the ground .

火山演化从早期到中晚期分别形成铁矿层、火山成因块状硫化物矿床和黄铁矿化层。

Early to late stage volcanic evolution resulted in the formation of iron formations , sulfide deposits and pyrite mineralization beds .

晚白垩世时，三江盆地为一套红色杂层和火山岩沉积，主要分布在前进坳陷内。

The late Cretaceous , Sanjiang basin is a set of Red mixed layer and volcano sedimentary , mainly in the ongoing depression .

但研究目标多集中在粘土层的火山成因和火山作用的岩石学性质上，研究方法也多以传统的矿物种类分析和全岩地球化学研究为主。

However , their aims mostly focus on volcanic origin of claystones and their petrological characteristics , and researching methods are mainly traditional mineral type analyses and whole-rock geochemistry .

作为一个复杂而特殊的油气储层，火山岩储层的研究在国内外是一个新的研究领域，许多问题需要进行深入研究。

The study of volcanic reservoir is one of the new research fields home and broad as a complicated and special oil and gas reservoir . Many problems need to be further studied .

日本西南部的火山喷发使周围的城市都覆盖上了一层厚厚的火山灰。

A volcanic eruption in southwestern Japan has coated a nearby city with a layer of ash .

博尼斯表示，最近危地马拉当地数座火山爆发，整个城市都蒙上一层厚厚的火山灰。

Recent eruptions of several volcanoes in Guatemala covered the city in a fresh layer of volcanic ash .

走滑断裂广泛发育，对碳酸盐岩储层改造、火山活动及圈闭形成具有一定的控制作用。

Strike - slip faults widely developed and had certain control role on reform of carbonate reservoir , volcanic action and formation of traps .

切穿基底的主干构造、盖层构造、火山塌陷构造的复合为成矿（矿液运移及矿质堆积）创造了有利的空间；

The combination of main faults cutting the basement , the fault structures in the cover and volcanic collapse structures creat favourable space for the ore formation ( migration of ore forming fluid and accumulation of ore forming material );

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。

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 .

火山岩储集层有基性火山岩也有酸性火山岩。

Volcanic rock reservoir involves basic and acidic volcanic rocks .

泥盆系课题组，在准噶尔地区发现20余层含放射虫的火山碎屑岩，放射虫均产于被化石证明了的下、中、上泥盆统中。

The Group of Devonian project has Obtained radiolaria from 20 horizons of Volcaniclastic rocks in the Junggar Basin , Xinjiang .

克拉玛依油田五区佳木河组储层，包括了火山岩、沉积岩和变质岩三大岩类，具裂缝-孔隙双重介质。

Reservoirs of the Jiamuhe Formation in5th district , Karamay Oilfield , consist of igneous , sedimentary and metamorphic rocks with crevice-poredual medium .

其金的成矿地质背景复杂，主要可分为变质基底区、地槽区、盖层区、中生代火山断陷盆地、构造－岩浆活动带5种类型。

There are 5 kinds of geological settings : metamorphic basement area , geosyncline area , cover area , Mesozoic volcanic fault basin and tectonic magmatic active belts .

碎屑岩储层中主要的储集空间为剩余粒间孔隙以及在此基础上扩大溶蚀的孔隙；火山岩储层中则以火山岩基质溶蚀孔为主，构造缝、溶蚀缝次之。

The pore spaces are mainly residual intergranular porosity , dissolution porosity in clastic rock reservoir , dissolution matrix porosity and fractures in volcanic reservoirs .