查询词典 volcanics

Based on a systematic petrographic and geochemical study and a zircon U-Pb SHRIMP age analysis, the authors revealed that the age of ore-hosting volcanics (XC01-1 rhyolitic tuff) is 180.4±3.5 Ma.

对西藏冈底斯带南部雄村铜金矿床的容矿火山岩和外围岩石进行了岩石学、地球化学、锆石年代学研究。

At a distance of 2–3km from Zarshuran these anomalies can be ascribed to widespread outcrops of Tertiary volcanics.

在距离2 - 3公里，从zarshuran这些异常可以归因于普遍露头大专火山岩。

As a result of Pacific plate subducting toward Eurasian plate, a long acidic volcanics belt formed which extends from northeast to south of China and covers nearly 1 million km〓. This belt is also an important area of precious and nonferrous metal deposits in China.

受太平洋板块向欧亚板块俯冲作用的影响，我国从东北的大兴安岭经过山东、江西、福建、广东一直到广西境内，形成了一条中新生代酸性火山岩带，分布面积近100万km〓，是我国重要的金、银贵金属及铅、锌、铜等有色金属矿床分布区域。

The influential factors are: horizon, different system in strata sequence framework, clast composition, structure, matrix quality in source area, sedimentary facies belt, diagenesis, volcanics distribution and pressure distribution.

储层物性的影响因素主要有：层位、层序格架内不同体系域、碎屑组份、结构及物源区母岩性质、沉积相带、成岩作用、中基性火山岩分布、压力分布等。

Aimed at the exploration of the lithostratigraphic reservoirs in four types of prototype basins(onshore terrestrial rifts,depressions,forelands and marine kratons)and in glutenites,volcanics and fracture-vug carbonate rocks,significant results are achieved on geological theory,technological innovation and production efficiency through fi...

针对中国陆上陆相断陷、坳陷、前陆和海相克拉通等4类原型盆地和砂砾岩、火山岩、缝洞型碳酸盐岩储集体中岩性地层油气藏的勘探，通过5年系统研究，在地质理论、技术创新与生产实效等方面取得重大成果：①系统建立了4类盆地岩性地层油气藏地质理论；②创建了中低丰度岩性地层油气藏大面积成藏理论；③创新了系统的岩性地层油气藏勘探程序与技术系列，自主创新21项核心专利；④推动了中国陆上由勘探构造油气藏向勘探岩性地层油气藏的重大转变，使中国石油天然气股份有限公司大规模岩性地层油气藏勘探取得显著成效。

Rock fragments, including volcanics, are common, and the matrix consists largely of kaolin and illite.

常见有岩石碎块，包括火山岩屑，基质大部分为高龄土和伊利石。

ReHeTai oil field has many oil-bearing strata,among them the volcanics is one of the important reservoir.

热河台油田具有多套含油层系，其中火山岩也是热河台油田的重要储层之一。

The Xinyang-Yuanlong large-scale shear zone belongs to the eastern part of Qilianorogenic belt,which is mainly known for a intracontinental rifting-small ocean basin coveredby Hongtubao-Huluhe metamorphism basaltic rock.In the north of the shear zone,detritalrock of Chenjiahe group sedimented in forearc basin and island-arc volcanics of Chenjiahegroup in late Ordovician and island-arc granites of Yanjiadian formation and Huangmenchuanformation outcrop in order.

新阳—元龙大型韧性剪切带以北属祁连造山带东段，发育有以红土堡—葫芦河变基性火山岩为代表的陆内裂陷—小洋盆，北侧依次出露有弧前盆地沉积的晚奥陶世陈家河群碎屑岩组、岛弧环境的晚奥陶世陈家河群火山岩及以阎家店、黄门川为代表的岛弧型花岗岩类。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。