围岩蚀变

中国微细浸染型金矿床围岩蚀变地质特征

Geological characteristics of wall-rock alteration of micro-disseminated gold deposits in China

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 .

从陆地卫星TM数据提取胶东某地区某种类型金矿的围岩蚀变信息

Extraction of wallrock alteration information of cold deposit from Landsat TM data

以湘西南石英脉型金矿床为例，研究pH、Eh估算值的结果表明利用围岩蚀变反应方程以及采用碱金属离子、卤素元素离子估算pH值是不完善的。

The quartz vein-type gold deposits in southwestern Hunan Province are taken as examples . Researching results of pH and Eh estimated values from quartz-fluid inclusions have illustrated that it is incomplete to use the altered reactions or the ions of alkali metals and brine elements .

张家口&赤峰金成矿区围岩蚀变研究

Research on Country Rock Alteration of Gold Minerogenetic Area in Zhangjiakou-Chifeng

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 .

围岩蚀变包括退化蚀变和矿化蚀变。

Host-rock alteration is made up of retrograde and mineralized alteration .

成矿与围岩蚀变紧密相关，特别是近矿围岩蚀变是找金矿的最可靠标志。

Which is the most reliable criteria for prospecting gold .

近矿围岩蚀变有黄铁矿化和硅化。

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

东坪金矿床的围岩蚀变和流体特征

Characteristic of fluid and country rocks on Dongping gold deposit

研究发现笋叶林矿区围岩蚀变十分强烈；

It was showed that wall-rock had a strong alteration .

热液矿床几乎毫无例外地存在围岩蚀变。

Almost all the existence of hydrothermal deposits goes with rock alteration .

甘肃省文县阳山金矿带围岩蚀变地质特征

Wallrock Alteration in the Yangshan Au ore Belt , Wenxian , Gansu

围岩蚀变现象是斑岩型矿床特征之一。

Alteration is one of the characters in porphyry-type deposit .

与矿化有关的围岩蚀变有钾化、石英-绢云母化和高岭土化。

Alterations related to mineralization are potassium alteration , quartz-sericitization and kaolinitization .

金属矿床通常伴随近矿围岩蚀变，因此矿化蚀变信息的提取对于找矿具有十分重要的意义。

The information extraction of alteration is very important in seeking mineral resources .

湖南龙山金锑矿床围岩蚀变及其与金矿化的关系

The Longshan Au-Sb deposit : the relation of wall rock alteration with gold mineralization

碲矿化与围岩蚀变关系十分密切。

The mineralization of tellurium is very closely related to the wall rocks alteration .

研究了热液围岩蚀变类型和蚀变条件以及蚀变类型与矿产种类的关系，说明蚀变岩石信息与金属矿床有较高的相关性。

Approved that the alterative rock information and metallic ore deposit has high relativity .

还指出了围岩蚀变的找矿意义。

Author also points that the wallrock alteration has the significance for the prospecting .

围岩蚀变的空间分布具有斑岩型单侧成矿模式特征。

Wallrock alteration has character of porphyritic profile metallogenetic model in the spatial distribution .

围岩蚀变主要是绿泥石化、绢云母化、硅化以及碳酸盐（方解石、菱铁矿）化等。

Wall-rock alteration includes chloritization , sericitization , and carbonatization ( calcite , siderite ) .

金矿床具有基本相同的成矿元素组合和主要的载金矿物和围岩蚀变组合。

All the deposits have the same associations of ore-forming elements , auriferous minerals and alterations .

围岩蚀变有明显的分带性与对称性。

Further more , the alterations of wall rocks have obvious features of zonation and symmetry .

6241铀矿床围岩蚀变、矿化特征及成因初步认识

A preliminary understanding of the 6241 ore deposit & its wall rock alteration and uranium mineralization

围岩蚀变有硅化、绢云母化、黄铁矿化、褐铁矿化。

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

山东莱芜铁矿围岩蚀变及其对成矿的影响

Wall rock alteration of the Laiwu Iron deposit , Shandong and its influence on the iron mineralization

甘肃李坝金矿围岩蚀变与金成矿关系

Wall Rock Alteration and Its Relations to Gold Mineralization of the Liba Gold Deposit , Gansu Province

围岩蚀变作用不强。金矿物为自然金，粒度细、成色高。

Gold mineral is native gold , its grain size is fine , its fineness is high .

围岩蚀变具有重要找矿意义，且因围岩类型而异，并具分带特点。

Of different types and with distinct zoning , has an important significance in exploration of fluorite deposits .