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- The most important country rock alterations are silicification,sericitization and pyritization which are closely associated with gold deposit. 围岩蚀变以硅化、绢英岩化、黄铁矿化最为重要,它们与金矿密切相关。
- Keywords Degradation degree;Country rock alteration;Indl cator element;Gold depositshuijingtun;Hebei; 金矿床;剥蚀程度;围岩蚀变;指示元素;河北水晶屯;
- Keywords ductile shear zone;mineralization;country rock alteration;Kalaxianggeer;Altay; 韧性剪切变形带;矿化;围岩蚀变;卡拉先格尔;阿尔泰;
- country rock alteration 围岩蚀变
- The alteration of country rock related to gold mineralization includes silicated, carbonation,argillic and hematitization(or limonite)alteration. 矿体受岩筒产状控制。与金矿化有关的围岩蚀变有硅化、碳酸盐化、粘土化和赤（褐）铁矿化。
- A process of rock alteration or mineral formation brought about by the action of gases emitted from solidifying magma. 气成作用; 气成通过从岩浆凝固中释放气体的作用下引起的岩石改变或矿物形成的过程
- The ore-forming process can be divided into two epochs and three stages, with strong enclosing rock alteration. 本文研究了小青沟矿床地质、稳定同位素、微量元素特征,认为矿床成矿物质来源很复杂。
- The wall rock alteration characteristics and the relationship between wallrock alteration and the alteration model are set up in the paper. 对花山花岗岩体中金矿的围岩蚀变特征和围岩蚀变与金矿化的关系进行了研究,并建立了蚀变模式。
- The country rock of the orebody are dolomites of Gaoyuzhuang Formation(Middle Proterozoic era). 矿床围岩以中元古界高于庄组白云岩为主。
- The lead-zinc ores can be classified into the hydrothermal vein type and the skarn type with strong wall rock alteration. 纳木错-嘉黎断裂带是以铜、铅、锌为主的多金属成矿带,矽卡岩型矿床是该区带典型矿床类型之一。
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- The main types of the wall rock alteration include quartzitification,sericitization,chloritization,pyritization,limonitization,kaolinitization,carbonatization. 主要蚀变类型有硅化、绢云母化、绿泥石化、黄铁矿化、褐铁矿化、高岭土化和碳酸盐化等。
- Stone cover: Point the country rock surrounded with the material appearance in HeTian Yushan. 石皮:指和阗玉山料外表包围的围岩。
- The producing formations have variable alteration under thermal fluid indicating there is a close relationship between wall rock alteration and mineralization. 含矿层受热液作用影响产生不同蚀变,因而,围岩蚀变与矿化的关系也甚为密切。
- Taoyuan molybdenum ore belongs to mesothermal hydrothermal vein deposit.Alteration of country rock has linear feature. 桃园钼矿床属中温热液脉型矿床，围岩蚀变具线型对称特征。
- The zimenqiao Formation silicolites of Lower Carboniferous is the country rock of Changkeng Au-Ag deposit. 下石炭统梓门桥组硅质岩是粤西长坑金银矿床的直接容矿岩石。
- To ferromagnetic ore, if country rock interfuse is 10 % on average, go out with get rid of of magnetism pulley place.. 对强磁性矿石，如围岩混入平均为10%25，用磁滑轮所剔出的...
- The dolomite of Upper Sinian Dengying Formation is favorable ore-source rock and useful ore-preserving country rock. 上震旦统灯影组碎裂状白云岩是有利的矿源层及有利的赋矿围岩。
- It is considered a hypothermal Cu deposit based on ore body feature,mineralogy,texture and structure,wall rock alteration and genetic andlysis,then point out ore-searching directions. 根据矿体特征、矿石矿物成分、结构构造、围岩蚀变特征及成因分析,认为属中浅成高温热液型矿床,并指出找矿标志。
- Ore-forming materials and REE possess multi-sources,RE partitioningmodel of magmatic rock shows a differant origin compared to that of country rock. 成矿物质及稀土元素具多来源性，岩浆岩及围岩中稀土配分模式显示其具不同成因特征。
