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- 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 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。
- 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。
- 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 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。
- 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。
- 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。
- Gold mineralization is usually accompanied by wall rock alteration and in most cases controlled by faults.Geochemically, it finds expression in the existence of anomalies of some elements. 摘要金矿化作用常伴随围岩蚀变，且多受断裂控制，反映在地球化学上出现某些元素的异常晕。
- 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 alteration of wall rocks is affected by the ductile shear deformation and brittleness structure, while Au mineralization and main periods of wall rock alteration are simultaneously formed. 近期研究表明，该金矿与早期的韧性剪切活动以及后期的脆性改造有成因联系，金矿化与围岩蚀变的主要期次同时形成。
- The main wall rock alterations of the Kangshan goldfield are silication,sericitization,carbonicacidation and pyritization. 康山金矿田围岩蚀变主要为硅化、绢云母化、碳酸盐化及黄铁矿化。
- Information of structure and rock alteration are extracted from ETM remote sensing data which deal with data amalgamation and image enhancement by HIS space transform and main component analysis. 因此从遥感信息中解译直接找矿信息(控矿构造与蚀变信息)是有效、经济、快速的地质调查方法。
- The shutters thumped the wall in the wind. 在风中百叶窗砰砰地碰在墙上。
- The mountain rise up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- The mountain rose up in a steep wall of rock. 这座山高而陡，形成一道岩石屏障。
- 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。
- The picture on the wall is crooked. 挂在墙壁上的画是歪的。
- The medieval town was fortified with a high wall and a deep moat. 这座中世纪的城市周围建有城墙和护城河。
- He shored up the wall with a thick balk of wood. 他用一根粗大的木头把墙撑住。
- I can't get this screw to come out of the wall. 我无法把这颗螺丝钉从墙上取出。
