Silicalite

The origin of the Shitoukoumen silicalite,Jilin province and its structural setting;

吉林省石头口门硅岩之成因及构造环境

Lithogenesis Research of Silicalite and Limestone of Silurian in the Uranium Metallogenic Belt in Western Qinling;

西秦岭铀成矿带中志留系硅岩灰岩的成因研究

Geochemistry and Origin of Late Paleozoic Cherts in Guangxiand Their Explanation of Tectonic Environments;

广西晚古生代硅岩的地球化学及其形成的大地构造环境

The chert was formed in rift fault basin between Yangtze continental and Huaxia continental.

通过野外与室内的研究工作 ,认为皖南浙西地区晚震旦纪至早寒武纪的硅岩是复合成因的产物 ,其物源类型比较复杂 ,包括热水来源、生物来源及陆源输入 ,但以热水来源的SiO2 为主。

Cherts are widely distributed on the surface of the earth and are a special type of sedi-mentary rocks.

回顾了国外硅岩的研究历史，概述了当今的研究现状和未来的发展趋势，并与我国同一领域的研究状况作了对比分析，提出了改变国内硅岩研究落后现状的几点建议。

Geochemical characteristics and origin of the Permian siliceous rocks in Xuanhan region of Sichuan Province

四川宣汉地区二叠系硅岩地球化学特征及成因研究

Stratiform tuffaceous siliceous rocks are widely exposed in the Nomhon ?Xiangride area of the mid-dle part of East Kunlun, mostly occur within volcanic lava and above it.

东昆仑中段诺木洪—香日德一带,大量出露层状、块层状凝灰质硅岩,主要产于火山熔岩之中及其上部,岩石致密,成层性好,具有独特的地球化学特征。

It mainly consists of dolomite interbeded with siliceous rock.

北京西山地区雾迷山组发育硅质条带白云岩，在硅质条带中发育典型的风暴硅岩沉积。

Geochemical characteristics and tectonic setting of cherts in the Langzuizi Formation of the Xiangshan Group;

香山群狼嘴子组硅质岩地球化学特征及形成环境

Geochemical features and formation of auriferous chertsin Mojiang gold mine, Yunnan;

云南墨江金矿床含金硅质岩的地球化学特征和成因

Late Devonian pillow basalts and bedded cherts in Changning-Menglian tectonic belt of southwestern Yunnan,China;

滇西南昌宁-孟连构造带晚泥盆世枕状玄武岩和层状硅质岩的特征

Geochemical characteristics of siliceous rocks in Yangtizishan-Moshishan anatase ore district,Zhenglanqi County,Inner Mongolia,with implications for sedimentary environment;

内蒙古正蓝旗羊蹄子山-磨石山钛矿区硅质岩地球化学特征及沉积环境意义

Geochemistry and sedimentary environments of the Palaeozoic siliceous rocks in western Hubei;

鄂西古生代硅质岩的地球化学特征及沉积环境

Geochemical characteristics of depositional environment of the Upper Sinian bedded siliceous rocks in western Hunan;

湘西上震旦统层状硅质岩沉积环境的地球化学标志

Lithogenesis Research of Silicalite and Limestone of Silurian in the Uranium Metallogenic Belt in Western Qinling

西秦岭铀成矿带中志留系硅岩灰岩的成因研究

The Sedimentology of Siliceous Rocks of Hercynian Indo China in Changning Menglian Belt,Western Yunnan,China

昌宁—孟连带海西印支期硅岩沉积学

A siliceous rock of chalcedonic or opaline silica occurring in limestone.

硅石出现在灰岩中的玉髓或蛋白色硅石

A STUDY ON SILICON AND OXYGEN ISOTOPIC GEOCHEMISTRY OF THE DEVONIAN SILICA ROCK IN QINLING RANGE

秦岭泥盆纪硅质岩硅、氧同位素地球化学研究

Silicon Isotope Compositions of Diatoms as Indicators of Environmental Change in the Sediment of Maar Lake Huguangyan,Guangdong Province,China

湖光岩玛珥湖沉积物硅藻硅同位素环境示踪

CHARACTERISTICS OF DEVONIAN TURBIDITES AND SILICALITES IN DACHANG, GUANGXI

广西大厂泥盆系浊积岩和硅质岩的特征

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。

a hard coarse-grained siliceous sandstone.

一种硬质、粗颗粒的硅酸砂岩。

The presence of fragments of silicified siltstone retains their original bedding.

硅化粉的砂岩碎块保留有原始层面。

Geochemical Characteristics and Sedimentary Environments of Siliceous Rocks and Siliceous Mudstone--Case Study of Bayingou Ophiolitic Mélange in Xianjiang

新疆巴音沟蛇绿混杂岩带中硅质岩及硅质泥岩的元素地球化学特征及其形成环境

Silicate rocks--Determination of silica

GB/T14506.3-1993硅酸盐岩石化学分析方法二氧化硅的测定

Silicon Isotopic Composition and Silica Source of Quartz Crystals in the Weathering Crusts of Carbonate Rocks,Guizhou Province

贵州碳酸盐岩风化壳中晶体石英的硅同位素组成及硅质来源探讨

any of a group of crystalline silicate mineral common in igneous and metamorphic rocks.

晶体硅酸盐矿物中的任何一种，广泛分布在火成岩与变质岩中。

A very hard, dense, even - textured, silica - bearing sedimentary rock used in whetstones.

均密石英岩非常坚硬，致密，结构均匀，含硅的沉积岩，用作磨石

The deposit is contained in the predominantly calc-silicate upper part of the corella formation.

矿床位于科雷拉岩系上部主要为钙质-硅酸盐类的岩层中。

The extrusion of silica-rich lava, the Rooiberg felsite, occurred on a grand scale.

富于硅氧的岩流及罗依山霏细岩的喷出作用占据了广大面积。

Quartzite at the bottom of the second formation of the Langshan Group is the result of silicification.

狼山群第2岩组底部的石英岩是硅化作用的产物。

The Depositional Characteristics and tectonic Significance of Turbidites and Silicalites of Devonian Systemin Danchi area

广西丹池盆地泥盆系浊积岩和硅质岩的特征及构造意义