您要查找的是不是:
- The Mofanggou gold deposit, stratoid in form, occurs in Early Cambrian Zhushadong Formation which overlies the principal detachment-slip zone between Cambrianstrata and Archaeozoic gneissose granodiorite or Palaeoproterozoic adamellite. 磨坊沟金矿呈似层状产于新太古代花岗闪长岩或古元古代二长花岗岩与寒武系主拆离滑脱带之上的早寒武世朱砂洞组碳酸盐岩中 ,围岩蚀变包括黄铁绢英岩化、方解石化和萤石化 ,金矿的形成主要与黄铁绢英岩化有关。
- Archaeozoic gneiss 区域地质调查
- Gneiss is called bastard granite. 片麻岩叫作粗花岗岩。
- U-Pb dating of zircon from gneiss at Nanhuang in East Anhui. 皖东南黄片麻岩的锆石U-Pb年龄。
- Archaeozoic granite reservoir has good reservoir conditions. 太古界花岗岩储层具有较好的储集条件;
- The types of mineralized rocks are fine grained biotite gneiss and silicalites. 矿化类型为含金黑云变粒岩型、含金硅质岩型。
- Gneiss, a metamorphic rock, can be commonly found in Precambrian areas. 片麻岩,一种变质岩,通常在前寒武纪地层中出现。
- Shagou deposit mainly lies in the metamorphic rock of Taihua Group,Archaeozoic erathem. 本矿床主要的赋矿地层为新太古界太华群高级变质岩。
- The pyroclastic rock fragments comprise quartzite, schist, gneiss, basalt, andesite, rhyolite and quartz. 火成岩的碎块成分主要为石英岩、岩、麻岩、武岩、山岩和流纹岩.
- The nickel mineralization is contained in a layered basic massif surrounded and underlain by an Archean gneiss complex. 此处镍矿化产于一层状基性岩块内,其四周和下面都为太古代片麻岩杂岩围绕。
- Xianjin chang gold deposit occuring in Archaeozoic charnohite and tonalite is near Zhuang xianghu quartz-diorite stock, which is Mesozoic in age. 线金厂金矿床赋存于太古宙紫苏花岗岩、英云闪长岩中,矿床与中生代转湘湖石英闪长岩空间关系密切。
- The early Proterozoic atmosphere and hydrosphere are similar to those of Archaeozoic in being still absent in oxygen. 早元古代的大气圈、水圈与晚太古代相似,仍为缺氧性质。
- Buried hills of Archaeozoic,Paleozoic and Mesozoic Eras developed well in the west part of Dongying Depression. 东营凹陷西部发育太古界、古生界及中生界潜山。
- Zircon U-Pb dating of gneiss from Shizhuhe in North Dabie and its geologic implications. 大别造山带北部石竹河片麻岩的锆石U-Pb年龄及其地质意义。
- Rocks to the north and south of the gneiss zone are lithologically and structurally distinct from it. 片麻岩带南北两侧的岩石,在岩性上及构造上都和它大不相同。
- Felsic gneiss is the most widely distributed rock type in Archean metamorphic complex areas. 长英质片麻岩是太古宙变质杂岩区最主要的岩石类型。
- Granulite - the metamorphic gneiss district level are mostly granulite facies to senior amphibolite facies. 麻粒岩-片麻岩区的变质程度多属麻粒岩相到高级角闪岩相。
- This has been proved by formation test and production, so that these are feasible methods to study the characteristics of Archaeozoic metamorphic reservoir. 其解释成果已被试油和生产实际所证实,说明利用该方法研究太古界变质岩储层特征的方法可行。
- Some problems and suggestions about the geological survey and study in Archean felsic gneiss terrains. 太古宙长英质片麻岩区地质调查研究中存在的一些问题和建议
- During the late Archaeozoic, there was bimodal volcanism,alkalic magma eruption and intrusion, showing the tension-riftedcharacteristics of the valleys. 在晚太古代有“双峰态”火山活动、碱性岩浆喷发和侵入,反映了裂谷拉张特征。