Granit相关论文
<正> In the course of study of the constitution of the rare earth, niobium, iron ore at Bayan Obo (白云鄂博), Inner Mong......
Mesozoic thrusts and extensional structures in the Daqingshan orogen, Inner Mongolia, and their temp
Three large-scale thrusts developed in the Daqingshan orogen, Inner Mongolia, with a northeast-east trending from Louhua......
Geotectonic Settings of Large and Superlarge Mineral Deposits on the Southwestern Margin of the Nort
The geotectonic setting refers to the three-dimensional space and related events based on which a metallogenic system i......
The Mesozoic basins in Yanshan, China underwent several important tectonic transformations, including changes from a pre......
Experimental and discrete element numerical analysis of side slope instability induced by fissure wa
When the sliding mass contains impervious bed, rainfall can infiltrate into mountain via crevices and form higher artesi......
The Louzidian low-angle ductile shear detachment zone at the south of Chifeng is a SE-dipping, low-angle normal fault sy......
Thirty-six typical REE deposits extracted from literatures,mineral resource database or reports,which are served as a ba......
Rare earth element (REE) compositions of the suspended sediments from the rivers around the Yellow Sea were different in......
In-situ Major and Trace Elements Analysis for Garnets from the Xitian Orefield, SE China: Implicatio
1 Introduction The Xitian W-Sn polymetallic orefield is one of the most significant finds of tungsten–tin mineral resou......
稀有金属伟晶岩的结晶过程是认识其成矿作用的重要方面。前人利用冷却模型所推测出的侵入变质围岩的伟晶岩冷却时间为几天至几千年......
超声波振动碎岩技术作为解决硬岩钻进难题的新方法,其技术可行性受到国内外学者的大量验证,但是对于超声波振动下硬岩破碎机理的认......
灰池子岩基定位于东秦岭加里东沟-弧-盆褶皱系内的古岛弧带中,属于原地-准原地改造型花岗岩。其形成机制为:加里东晚期,华北古板块南......
采用高、低两种频率的声发射(AE)通道,对花岗岩试件完成了1~30 MPa围压范围内的循环加卸载AE试验。首先根据应力-时间-计数准则确......
本文采用微波消解和ICP-AES法,同时测定花岗石样品中的铅、镉、铬、砷4种有害元素.检出限分别为0.0008、0.0007、0.0018、0.0012μ......
研究了微波制样,用 ICP-AES法同时测定珍珠白样品中 Mg、 Al、 Fe、 Pb、 Cr、 Ni、 Mn、 As八种微量元素的新方法.方法的检出限为......
湘南地区燕山期成矿花岗岩的主元素地球化学特征可划分为3种类型,不同成矿花岗岩形成的岩浆演化机理有明显差异:(1)成矿花岗岩的K2O/Na2......
在吉林东部花岗岩区地下水化学成分和化学类型研究的基础上,以Na作为参比元素,确定了花岗岩风化过程中22种主量元素和微量元素的相......
辽西地区台子里发育一套花岗质片麻岩和表壳岩捕虏体的岩石组合,原划定为建平群大营子组,近年的研究将建平群大营子组解体为花岗质......
养马甸钼矿床位于燕辽钼(铜)成矿带东段的辽西地区。养马甸岩体由似斑状花岗岩、粗粒花岗岩和细粒花岗岩3个不同岩相组成,主要矿物为......
青岗坪金矿矿体的产状、形态受层状滑脱蚀变破碎带的控制,且与太华群与熊耳群主拆离带近平行产出,呈近东西向展布。矿区内矿石自然类......
本文用分形结构因子比较了两类不同的花岗岩系列在矿物学、岩石化学和成矿关系等方面的差别。分形理论不但可从新的角度考察两类花......
城市生活垃圾卫生填埋场,必须进行水文地质工程地质环境地质综合勘查.长沙市的生活垃圾卫生填埋场勘查,采用了地形测量、水工环地......
辽南变质核杂岩形成于晚中生代华北岩石圈伸展和减薄背景下,其演化过程分为三个阶段:第一阶段(约130Ma),在伸展作用下辽南地区发育......
云南临沧锗矿床产在以临沧花岗岩为基底的中新世断陷盆地中。已有研究表明,成矿元素Ge来自基底花岗岩,但临沧花岗岩是复式岩基,具......
辽北新宾-苇子峪地区的花岗质岩石主要由英云闪长质-奥长花岗质片麻岩和二长花岗岩-正长花岗岩岩体等组成.为确定其形成年代及成因......
Hydrogeological and Hydrochemical Assessment of Basin Granitoids in Assin and Breman Districts of Gh
Hydrogeological and hydrochemical assessments were carried out in Assin and Breman districts of Ghana. A multi-criteria ......