The dam of the Xiaodongjiang hydropower station is built on quartz sandstone.
小东江坝为石英砂岩地区修建的重力坝 ,由于施工期开挖放大炮导致砂岩中的泥化夹层更加松动 ,产生部分爆破裂隙 ,影响了地基的均一性和完整性。
A quartz sandstone target was impacted by a steel ball (6 mm in diameter) accelerated at5~7 km/s by means of a two-stage light gas gun.
利用二级轻气炮将6mm直径的钢球加速到5～7km／s后撞击石英砂岩靶，利用磁性分选、扫描电镜和X射线衍射等方法对岩靶受击后形成的碎屑进行了矿物分类和鉴别。
Developing law of weak silicarenite intercalation and effect on stability of surrounding rock of tunnel;
石英砂岩软弱夹层的发育规律及其对洞室围岩稳定性的影响
The alkaline activity tests indicate that Jinping Ⅰ Hydropower Station silicarenite has potential alkaline silicic acid reaction(ASR)activity.
碱活性检验结果表明:锦屏一级水电站石英砂岩具有潜在的碱硅酸反应(ASR)活性。
This is a cliff composed of quartz sandstone that is well bedded.
由石英砂岩构成的悬崖，岩石层理发育。
The main kinds of rocks include carbonate rocks, tuffite, siliceous rocks and quartz sand-stone.
主要岩石类型包括碳酸盐岩、沈积凝灰岩、矽质岩和石英砂岩。
Rock dike inserted into quartz sandstone and was then weathered and denuded to form a precipice .
石英砂岩受岩脉穿插，岩脉被风化剥蚀后形成绝壁。
Vertical bedding joints in quartz sandstone are well developed, perpendicular to the plane of the formation.
此处石英砂岩垂直节理十分发育，与岩层层面正交。
A STUDY OF RESERVOIR CHARACTERISTICS AND DIAGENESIS OF QUARTZ--POOR SANDSTONE OF JURASSIC IN THE AREAS OF TAI3--BEI10 WELLS
台3—北10井区侏罗系贫石英砂岩的成岩作用及储层特征研究
Study on the Characteristics of Quartz Sandstone Reservoir of the Neopaleozoic of Two Gas Field in Ordos Basin
鄂尔多斯盆地上古生界两大气田不同石英砂岩储层特征对比研究
With rare exceptions such as a pure quartz sandstone, every rock contains detectable amounts of abundant metals.
除了象纯石英砂岩等少数例外，每种岩石都含有若干可检出的富有金属。
Diagenesis has both favorable and unfavorable effects for quartz- poor sandstone of high clay mineral content.
成岩作用对高含粘土矿物的贫石英砂岩既有有利的一面,也有不利的一面。
The cardium sandstone is lithic, being composed of grains of chert, quartz, quartzite, silicified argillite, and other rock fragments.
卡迪砂岩是岩屑砂岩，由燧石，石英、石英岩、硅化泥板岩和其它岩石碎屑颗粒所组成。
lithic arkosic wacke
岩屑长石砂岩质杂砂岩
This sandstone consists of quartz primarily and feldspar secondly.
这种砂岩的成份以石英为主，长石次之。
Sands lithify into sandstones.
砂经过石化而成砂岩。
lithic subarkosic wacke
岩屑亚长石砂岩质杂砂岩
subfeldspathic lithic arenite
亚长石质岩屑砂屑岩
petrolwum tar sand
含石油沥青的岩石或砂
sedimentary rocks,eg sandstone,limestone,slate
沉积岩（如砂岩、石灰岩、板岩）.
The test results indicate that it is feasible to use sand, plaster and cement to simulate rock body.
实验结果表明,用石英砂、膏和水泥来模拟岩体介质是可行的。
Sandstone and conglomerate are the consolidated equivalent of sand and gravel.
砂岩和砾岩分别是砂和砾石固结的产物。
