硅化铁

同时指出了沉积相、构造破碎带、硅化黄铁矿化蚀变等找矿标志。

Gold deposit 's prospecting criteria include sedimentary facies , silication , pyritization and structural fracture belt .

在硅化黄铁矿化砾岩、角砾岩中，有钼铀矿及汞矿等内生热液矿产出。

Within silicified pyritized conglomerate and breccias , there have endogenous hydrothermal products as moluranite ores and mercury ores .

考虑沉积作用的成层地基自重应力与沉降计算矿体有沉积似层状和交代不规则状两种形态，主要围岩蚀变为硅化和铁白云石化。

ON COMPUTATION OF OVERBURDEN PRESSURE AND SETTLEMENT FOR LAYERED SOIL CONSIDERING SEDIMENTATION Ore bodies show different forms i. e. layered bodies of sedimentation and irregular bodies of replacement .

围岩蚀变有硅化、黄铁矿化和碳酸盐化；

The wall rock alteration includes silication , pyritization and carbonation .

围岩蚀变发育，主要有硅化、黄铁矿化和毒砂化。

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

金矿化与硅化、黄铁矿化等蚀变关系密切。

The gold mineralization is closely related to the alteration , especially to the quartzitification , pyritization .

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。

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 .

前言：本文围绕与微细浸染型金矿有关的硅化、褐铁矿化、粘土矿化、碳酸盐化等蚀变标志，在黔桂地区进行了相关的地球化学和光谱信息研究。

This paper studies the geochemical and spectral information on the " silification " . " lemonitization " . " clayization " . and " carbonatization " related to finedesseminated-type gold deposits in Qian Gui area .

直接找矿标志为岩体与地层接触带及具辉钼矿化、黄铁矿化、黄铜矿化、硅化、褐铁矿化地段。

The directly sign of deposits is that the contact-belt of magma with stratums , the areas where have been had the mineralization such as molybdenite , pyrite , chalcopyrite , silicon , limonite and so on .

各矿区矿化蚀变带较发育，硅化、黄铁矿化、钾化、叶腊石化、绿泥石化、绢云母化等具有一定的水平分带，反映出中低温热液充填交代矿床的某些特征。

In all of mines , the alteration zones developed , silicification , pyritization , potassic alteration , pyrophyllitization , chloritization , and sericitization show that the deposits have the features of middle-low temperature hydrothermal filling-metasomatic deposit . 5 .