火山岩

The ore body occurred adjacent to the granite, thus it is inferred that mineralization stage is syngenetic or slightly later than emplacement of the granite, suggesting that mineralization of Mo, W, Pb, Zn and Ag was closely related to emplacement of the Yanshan period granites, and providing a new model for prospecting intrusive-related resource inside the volcanic rocks.

由于矿体赋存于岩体顶突部位的蚀变花岗岩中，预示成矿为花岗岩侵入的同期或稍后，即钼钨铅锌银成矿与燕山期花岗岩侵入活动密切相关，这对于火山岩内寻找与侵入岩有关的矿产提供了新的思路。

Mineralogic characteristics of quartz of this gold deposit, such as REE, fluid inclusion, chemical composition, unit cell parameter, infrared absorption spectrum and thermoluminescent effect, were studied systematically in this article,and some valuable information of genetic and prospecting criteria are concluded.

本文较系统地研究了该金矿床石英的稀土元素、包裹体测温、化学成分、晶胞参数、红外吸收光谱及热发光效应等矿物学特征，总结出了有重要参考价值的成因信息和找矿标志。认为康古尔金矿床主要系中深成中低温热液成因，成矿物质具深源性，直接来自围岩火山岩。

Rock types include basalt,trachybasalt, alkaline basalt, andesite and andesibasalt, which belong to alkalinity-weak alkalinity rock series, and give priority to neutrality-basic volcanicrock, that indicate the tectonic setting of continental rift.

岩石类型为玄武岩、粗面玄武岩、碱性玄武岩、安山岩和玄武安山岩，属于碱性-弱碱性岩系，以中性-基性火山岩为主，指示出大陆裂谷型构造背景。

Over one hundred sixty volcanic cones,pyroclastic sheet,river valley lava and eight maars with phreatomagmatic eruption genesis distribute of Longgang volcano,Jilin Province.The volcanic rock of Longgang volcano is trachybasalt with very similar chemical composition(SiO2=48-50%).

龙岗火山区分布160多个玄武质火山渣锥，以及火山碎屑席、河谷熔岩和8个射气岩浆喷发的低平火山口－龙湾，所有火山岩为单一钾质粗面玄武岩(SiO2变化于48-50%)。

The Shengmikeng vein-type lead-zinc deposit is located in Huanggangshan volcano-tectonic depression of the Mesozoic volcanic belt in Northern Wuyi.The ore featured by veinlets and disseminations is hosted both inside the fault zone in the upper Jurassic Ehuling ignimbrite and the potassic trachyte porphyry.

摘 要：生米坑铅锌矿床位于北武夷中生代火山岩带的黄岗山火山盆地内，已知铅锌矿体呈脉状产于侏罗系上统鹅湖岭组流纹质熔结凝灰岩的断裂内，或呈细脉——浸染状分布于钾质粗面斑岩内，发育钾长石化、绿泥石化、硅化等蚀变。

The identification of volcanic rocks in Hg, especially trachytic pyroclastic rock, is of great significance in finding out the genesis of the Bayan Obo ore deposit and the geological setting for the formation of Bayan Obo Group.

对Hg地层中火山岩，尤其是粗面质火山碎屑岩的确定，对了解白云鄂博矿床的成因和白云鄂博群形成的地质背景有重要意义。

The tuffaceous volcanic reservoir s of Xing'anling group in Hailaer Basin, Daqing Oilfield, includes andesite-rhyolite tuffaceous, andesite tuffaceous and trachy-rhyolite tuffaceous volcanic rocks.

针对这些特点，通过岩石水理特性实验和岩石力学特征研究，提出了以下解决措施：①凝灰质火山岩储层粘土含量高时，应提高压裂液的防膨胀性能，大排量施工，增加裂缝净压力；②碱性和偏碱性凝灰质储层，应研究使用低滤失压裂液，降低滤失量，同时提高压裂液的防膨胀性能；③凝灰质储层塑性较强时，应尽量提高施工排量。

Based on a comprehensive triaxial undrained compression test program on remoulded specimens, the steady state of CDV loose fills was analyzed.

在重塑试样的三轴压缩实验基础上，对全风化火山岩松散填土的稳定状态进行了分析研究。

The petrology of the Cenozoic volcanic rocks and their distribution in the Liaohe basin indicate a continental rift environment;The uparching of the upper mantle revealed by geophysical data has controlled the development of the structures on the surface.

辽河盆地新生代火山岩的分布规律和岩石学特征表明：辽河盆地新生代的构造环境为大陆裂谷。地壳深部资料显示出辽河地区存在上地幔隆起，它控制了浅部构造的发育。

In Songliao basin, the volcanite reservoir has become important reservoir type in deep natural gas exploration.

在松辽盆地，火山岩储层已成为深层天然气勘探的重要储层类型。

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。