spilite相关论文
It is believed that the albite-potash-feldspar-greenschists in the middle Proterozoic Langshan Group in Tanyaokou Distri......
A Petrographic and Mineralogical Study of Volcanic Rocks from the Mayaxueshan Area, North Qilian Fol
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
A Petrographic and Mineralogical Study of Volcanic Rocks from the Mayaxueshan Area, North Qilian Fol
The Ordovician volcanic rocks in the Mayaxueshan area have been pervasively altered or metamorphosedand contain abundant......
用单颗粒锆石U-Pb及全岩、全岩-矿物Sm-Nd等时线法对广西龙胜丹洲群细碧岩进行了地质年代学研究。结晶锆石年龄为977±10Ma,代表细碧岩的形成时代......
云南龙脖河铜矿区浅变质火山岩、辉绿岩与火山碎屑岩均具明显富钠贫钾特征;从各种岩石化学分类图解可得到互相不同的判别结果。轻稀......
介绍了云南东川金沙江变质杂岩的地质背景,较详细地分析了变质杂岩的岩石学、岩石化学特征,鉴定出钠长黑云片岩,浅变质火山岩的原岩为......
介绍了已开发利用的滇西火山岩型铜矿;讨论了以保山市沙河厂铜矿为代表的寒武系海相火山岩型铜矿的特征及其找矿开发前景,此种火山......
萨洛依西铜矿是昆盖山北坡下石炭统乌鲁阿特组细碧角斑岩建造中产出的火山岩型块状硫化物矿床。赋矿围岩为黄铁矿化、绿泥石化的细......
广西北部龙胜地区丹洲群广泛发育一套细碧岩和镁铁-超镁铁质岩石。细碧岩具有板内和岛弧火山岩的双重地地球化学属性,其形成时代〈820Ma。......
铧厂沟金矿床位于勉-略-宁三角地带成矿有利部位。矿区出露中下泥盆统三河口群和中上元古界碧口群。矿床内发育的韧性剪切带经历了右......
铧厂沟金矿床产于勉略缝合带中泥盆系三河口群郭镇岩组中.细碧岩是主要的含矿与容矿岩系.矿石类型为蚀变细碧岩型和石英脉型.主要......
A Petrographic and Mineralogical Study of Volcanic Rocks from the Mayaxueshan Area, North Qilian Fol
The Ordovician volcanic rocks in the Mayaxueshan area have been pervasively altered or metamorphosedand contain abundant......