silicification

Analyses show that gold mineralization coincides with the silicification center .

分析结果显示，Au矿化与硅化中心一致。

Silicification Agent & A New Technology for Micro Crack Reinforcement and Anti-Permeability of Concrete

硅化剂&混凝土微细裂缝增强抗渗处理的新技术

The silicification of young tissues of rice and relationship with its resistance to blast of rice

水稻新嫩组织的硅质化及其与稻瘟病抗性的关系

Wall rocks near the ore were altered showing pyritization and silicification .

近矿围岩蚀变有黄铁矿化和硅化。

Gold mineralization has close relation with silicification and pale red Kfeldsparization .

金矿化与硅化和肉红色钾长石化密切相关；

There is a close relationship between gold mineralization and tourmalinization and silicification .

主要金矿化与电气石化、硅化关系密切。

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 wall-rock alteration is developmental , mainly contains silicification , pyrite and arsenopyrite .

围岩蚀变发育，主要有硅化、黄铁矿化和毒砂化。

The mineralization , silicification and carbonation of pyrite are the typical alteration characteristics , also can be used marks . 2 .

黄铁矿化、硅化、碳酸盐化是典型的蚀变特征，也可作为找矿标志。

The gold mineralization is represented by the association of silicification , dolomitization and pyritization .

矿化表现为“硅化、白云石化、黄铁矿化”组合。

Dongan gold deposit is distributed in Mesozoic continental volcanic-intrusive rocks and late Indosinian strong silicification belt within alkali feldspar granite .

受断裂和隐爆角砾岩带控制，赋存于中生代陆相火山&侵入岩及晚印支期碱长花岗岩强硅化带中。成矿与火山-侵入岩作用有密切成生关系。

Studies indicate that the silicified rocks can be recognized for their primary rocks in spite of some changes in REE geochemical characteristics during silicification .

研究表明，尽管硅化岩的稀土元素地球化学特征与原岩相比有所改变，但仍可根据硅化岩的稀土元素地球化学特征来恢复原岩；

The alteration of country rocks were composed of silicification , sericitization , pyritization and limonitization .

围岩蚀变有硅化、绢云母化、黄铁矿化、褐铁矿化。

With precipitation of As and Au , silicification took place at the early metallogenic stage at relatively high temperature ( 200 ~ 300 ℃), forming silicified rocks .

硅化作用主要在成矿早期，温度较高（200～300℃），砷、金主要在这一阶段析出。

For carbon materials for molten silicon silicification corrosion found that silicon elements on carbon material corrosion is mainly through the carbon material surface open pore and defect to material internal diffusion .

对炭素材料进行熔融硅的硅化腐蚀发现，硅元素对炭素材料的腐蚀主要是通过炭素材料表面开气孔和缺陷向材料内部扩散。

Boron isotope fractionation is positive to the silicification intensity and the deficit of 11 B may be resulted from replacement 11 B by Si during the water rock reaction ;

水岩作用中硼同位素分馏与硅化交代强度成正相关关系，并且是硅置换11B，造成岩石亏损11B，而呈现低的δ11B值；

Wallrock alteration of mining area is strong , including greisenization , skarnization , silicification and carbonatization , which are closely related to mineralization .

矿区围岩蚀变强烈，与成矿较为密切的主要有云英岩化、矽卡岩化、硅化和碳酸盐化。

The most important alteration types are dolomitization and silicification . All evidences suggest that the enrichment of tellurium has a very close relationship to the dolomitization .

其中，最密切的围岩蚀变类型为白云石化、硅化，种种证据表明，碲矿床的富集与白云石化具有非常密切的关系。

The key controlling factors to EKR-1 are paleo-karst morphology from Silurian to Devonian especially in Devonian and silicification by magma heat liquids in Permian .

志留纪后古潜山储层主控因素为志留纪&泥盆纪，特别是泥盆纪期间的岩溶古地貌及二叠纪岩浆热液（硅化）改造作用；

Wall rock alteration is strong and dominated by phyllic alteration , silicification and chloritization then carbonation that is generally related closely to Pb , Zn mineralization .

矿床围岩蚀变强烈，以绢英岩化、硅化、绿泥石化为主，次为碳酸盐化，并与铅锌矿化关系密切；

To gold mineralization of altered rock type , when silicification is strong , it indicates the characteristics of lower ρ _s and higher F_s except individually expressing as higher ρ s ;

蚀变岩型金矿化，当硅化强烈时，除个别表现为高视电阻率外，一般表现为低ρs和高Fs特征；

The main ore-bodies distribute along with the interior or nearby of the strong deformation zone , their mineralization has a closely relationship with silicification , sericitization , pyrite and arsenopyrite .

主要矿体均分布于变形强带内部及附近，矿化与硅化，绢云母化，黄铁矿、毒砂关系密切。

Increased obviously from top to bottom of the silicification and broadened the pyrite-sericite-quartz alteration halo in this ore area shows the existence of hidden neutral-acid stock and subvolcanic rock mass .

区内自上而下明显增强的硅化和扩大的黄铁绢英岩化晕圈，昭示了隐伏的中酸性岩株或次火山岩体的存在。

The meta-somatic processes predominating in the granitic rocks in Zhejiang Province include alkali enrichment caused by metasomatism , i.e.seriatization , microclirization , and silicification .

浙江花岗岩的主要交代过程包括交代引起的碱性化，如绢云母化、微斜长石化和硅化。

The silicification of rice straw is a factor that affects the grain production and straw nutritive quality . Quartzite at the bottom of the second formation of the Langshan Group is the result of silicification .

水稻稻草硅质化是影响稻谷生产与稻草营养品质的主要因素之一，对水稻稻草硅化特点的化学分析费时、耗资、准确度较低。狼山群第2岩组底部的石英岩是硅化作用的产物。

In addition , in the process of pulling crystal , silicon material melt may produce silicon steam and molten silicon splash , cause carbon thermal field material surface silicification , seriously affecting the mechanical properties of carbon parts and service life .

另外直拉单晶过程中，硅料的熔融可能会产生硅蒸汽和熔融硅飞溅，造成炭素热场材料硅化，严重影响炭素部件的力学性能和使用寿命。

Wall rock alterations include sericitization , silicification , potassic feldspathization , biotitization , pyritization , hematitization and hydrous kaolinization .

绢云母化、硅化、钾长石化、黑云母化、黄铁矿化、赤铁矿化及水合多水高岭石化等。

Moreover , the author also discriminates the differences of the early uranium mineralization from the late one ( < 100 Ma ) with silicified zone , and emphasizes that the early mineralization has nothing to do with the silicification .

同时，阐述了它们与晚期（小于100Ma）硅化带类型铀矿化的差别，指出早期铀矿成矿与硅化带无关。

Gold is present chiefly as independent minerals in the microfractures of sulfides and quartz . Major wallrock alteration includes silicification , pyritization , and carbonation , and its intensity progressively increases towards the orebodies .

围岩蚀变类型主要包括硅化、黄铁矿化和碳酸盐化等。金主要以金矿物的形式产于黄铁矿、黄铜矿和石英裂隙中。

Ore types are altered rock type and quartz vein type ( A few ) . Wall rock alterations are silicification , sericitization , pyritization , chlorite , carbonate rock ( calcilization ), brass mineralization , kaolin etc. .

矿石类型有构造蚀变岩型和石英脉型（少量），围岩蚀变有硅化、绢云母化、黄铁矿化、绿泥石化、碳酸岩化（方解石化）、黄铜矿化、高岭土化等。