石英

Mineralized altered rocks in the silver deposit inherit REE characteristics of source rocks and REE characteristics of hydrothermal quartz vein are basically consistent with migmatite, which shows that mineralised material is mainly from migmatite.

银矿床中矿化蚀变岩继承了原岩的稀土特征，热液成因石英脉的稀土元素特征与混合岩基本一致，反映成矿物质主要来源于混合岩。

According to the research of the paper, the "migmatite" of the Sizishan Formation, Xingdong Group distributed in northern Xiao Hinggan Mountains should be a suit of gneissic quartz monzonitegranite intrusions. Their whole rockmineral Rb-Sr isochronic dating is (482±19) Ma, indicating that an Caledonian magmatic events existed in the giant granitic belt of the Xiao Hinggan Mountains.

研究表明，分布于小兴安岭北部金林林场的兴东群四子山组"混合岩"为一套片麻状石英二长岩-花岗岩侵入体，岩石全岩-矿物Rb-Sr等时线年龄为(482±19) Ma，这表明小兴安岭巨型花岗岩带中存在早古生代岩浆事件。

The mineralogical features of quartz are also coincident to the evolution of the gold deposits in both time and space.

5石英的矿物学特征在金矿床的时、空演化上具有一定的规律性。

The paper studies the chemical and mineralogical compositions, the technological and physical properties of tripoli by means of chemical analysis.

借助于化学分析、X射线衍射分析、工艺性能试验等方法，对粉石英的化学成分、矿物成分、工艺物理性质进行了研究。

A loose, earthy, extremely fine-grained, natural sediment or soft rock composed primarily of clay-size or colloidal particles and characterized by high plasticity and by a considerable content of clay mineral and subordinate amounts of finely divided quartz, decomposed feldspar, carbonates, ferruginous matter, and other impurities; it forms a plastic, moldable mass when finely ground and mixed with water, retains its shape on drying, and becomes firm, rocklike and permanently hard on heating or firing.

中文解释=松散的、土质的、颗粒极细的天然沉淀物或软石，主要由黏土粒径大小或胶质的颗粒组成，特徵为具高可塑性，及大量的粘粒矿物，其次为的细小的石英、被分解的长石、碳酸盐、含铁物质和其他杂质；当精细研磨并和水混合后，可形成可塑的，适於模压的物质，乾燥后能维持形状，加热或烘烤时变得如岩石一般牢固，且长期保持坚硬。

In this paper, the geochemical characteristics of granite in Jiangjunzhai tungsten deposit and the Re-Os isotopic dating of molybdenite from quartz-wolframite veins were studied and carried out, in order to elucidate the timing of mineralization and reveal the time limites and geodynamic setting of large-scale metallogeny in Southeast Hunan.

文章研究了白云仙矿田将军寨钨矿花岗岩的地球化学特征，并进行石英脉型黑钨矿石中辉钼矿的铼－锇同位素定年，以精确厘定将军寨钨矿的形成时间，揭示湘东南地区钨、锡等有色金属成矿的时限及其地球动力学背景。

The quartz monzonite plutons in the Najiao area intruded at the peak of lithosphere destruction of the northeastern China.

南窖石英二长岩岩枝是华北东部岩石圈减薄峰期的产物。

Daorengou quartz monzonite is a syntectonic granitoid and its formation was related with the matching of continental rift.

道仁沟石英二长岩是同构造花岗质岩石，它的形成与大陆裂谷的拼合一碰撞作用相关。

This provides constraints that the quartz monzonite granitoid is of the late Yanshanian intrusion, and that the slip structure along the parallel unconformity of the Carboniferous on the Ordovician strata should have occurred no later than ~134 Ma.

测定结果将这些石英二长岩岩枝的侵入时代限定在晚燕山期，并将发育在奥陶系与石炭系平行不整合面之间的构造滑动断层的发育年龄约束在约134 Ma之前。

Apart from the amphibolite enclaves and dyke swarms, the isotopic ages of the magmatic intrusions have been measured. The magmatic sequence and geochronologic framework are as follows: Quartz monzonite, 1825 ± 23 Ma, TDM = 2920Ma; Throndhjemite, 2374 ± 10 Ma, TDM = 3460 Ma; Tonalite, 2604±102 Ma, TDM = 3063 Ma; Monzonite, 3096±17 Ma, TDM = 2978 Ma; Granite, 3605±43 Ma, TDM = 3528 Ma.

在野外建立热事件相对序列的基础上，通过单颗粒锆石U-Pb法测年和Sm-Nd同位素示踪研究，初步建立了该区早前寒武纪岩浆活动的年代格架：石英二长岩：1825±23 Ma，TDM=2920 Ma；奥长花岗岩：2374±10 Ma，TDM=3460 Ma；英云闪长岩：2604±102 Ma，TDM=3063 Ma；二长花岗岩：3096±17 Ma，TDM=2978 Ma；花岗岩：3605±43 Ma，TDM=3528 Ma。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。