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.
据此，辛顿和鲍尔斯认为，这处火山岩相当年轻——大概几百岁。
This observation leads Sinton and Bowles to think the lava is fairly young-maybe a few hundred years old.
火山岩可划分出三个岩相带：火山爆发相、火山溢流相和火山沉积相。
The volcanics can be divided into three lithofacies: volcanic explosive facies, effusive facies and volcano-sedimentary facies.
火山岩相关特征的明确对于本区的勘探开发具有重要的指导意义。
Understanding of volcanic rock characteristics is of guiding importance to the exploration and development in this area.
松辽盆地汪家屯—升平地区火山岩埋藏深、岩石类型多、岩心资料少，岩相分析难度大。
Many kinds of volcanics in the Wangjiatun-Shengping region in the north Songliao basin are buried deeply, and lacking of core data, so it is difficult to analyze the volcanic lithofacies.
火山岩岩性和岩相是控制松辽盆地古火山机构类型及形态的主要因素。
Volcanic lithology and lithofacies are the main factors that control the types and forms of the volcanic apparatus in the Songliao Basin.
其赋矿围岩为苦橄质火山岩，区别于与火山岩相关的各类铁(铜)矿。
Its host rock is picritic volcanics, which is different from other volcanic rocks related to iron (copper) ore deposit.
火山岩岩性岩相复杂，不同的岩性岩相决定了不同的储集层特征。
Lithology and lithofacies of volcanic rock are very complex, which control reservoirs characteristics.
储集层物性影响因素主要有火山岩的岩性岩相、喷发环境及后期风化淋滤和断裂改造。
The main affecting factors to reservoir physical property are lithology, lithofacies, eruptive environment and late-stage erosion, eluviation and fault reconstruction.
该矿田产于中生代相山火山岩盆地古水热系统之中，是水热系统中水-岩相互作用的产物。
It occurs in the fossil hydrothermal systems within Xiangshan Mesozoic volcanic basin and is the product of water-rock interactions in the hydrothermal systems.
其成矿作用主要受二叠纪火山岩相及火山机构控制。
The metallization is controlled by the Permian volcanic lithofacies and volcanic edifice.
在地震剖面上分别识别出了火山岩和侵入岩相等几种。
Volcanic and intrusive faces have been recognized in the seismic sections.
该区内火山岩相主要为火山爆发相、溢流相。
The volcanic lithofacies in this field are mainly erupting facies and flowing facies.
发育的沉积相类型有冲积扇相、河流相、湖漫相、湖泊相、扇三角洲相、三角洲相、湖底扇相和火山岩相。
The sedimentary facies developed mainly include alluvial fan, fluvial, lake flat, lacustrine, fan delta, delta, lake-floor fan and volcanic rocks.
岩相学特征表明，该火山群为典型的钙碱性系列玄武岩安山岩英安岩弧火山岩组合。
The (examination) of the petrography shows that the volcanic terrains in Tengchong are typical of the basalt - (andesite) - (dacite) arc volcanic rock associations of the calc-alkaline series.
既有溢流相，又有侵入岩相，还有次火山岩相和火山通道相；岩性主要以中酸性侵入岩为主。
They have both the flooding and the intrusive lithofacies but also have the volcanic and the volcano vent lithofacies and the lithology is mainly the middle acidic intrusive rocks.
石炭纪酸性火山岩的稀土和微量元素地球化学特征与陆内流纹岩相似。
The silicic volcanic rocks of Carboniferous times has similar REE and trace elemental geochemistry as continental rhyolite.
火山岩储层的储集性受多种因素的控制，重点探讨了岩相和构造应力的控制作用。
Many factors controlled the reservoir features of volcanic rocks. The lithofacies and tectonic stress were specially discussed.
龙头山金矿床与燕山晚期流纹斑岩、角砾熔岩等次火山岩相有关。
The Longtoushan gold deposit is related to late Yanshanian subvolcanic rocks such as rhyolitic porphyry and breccia lava.
龙头山金矿床与燕山晚期流纹斑岩、角砾熔岩等次火山岩相有关。
The Longtoushan gold deposit is related to late Yanshanian subvolcanic rocks such as rhyolitic porphyry and breccia lava.
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