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- Pillar wall rocks 顶柱围岩
- Secondly, simulation elicits wall rock transmogrification under the different coal pillar and different stress. 其次模拟研究分析了留设煤柱宽度不同时以及地应力大小不一时沿空巷道围岩变形情况,得到了一些认识;
- disturbance of ore pillar and wall rock 矿柱及围岩扰动
- The recovering work reveals that the initial rocks of amphibolite wall rocks should be basalt, picrite_basalt etc. 围岩斜长角闪岩恢复其原岩大致相当于玄武岩、苦橄玄武岩等。
- Their REE patterns decline slightly to right and imply inheritable relation between the deposits and their wall rocks. 两矿床稀土元素配分模式均为轻微右倾,显示成矿物质对容矿围岩组分的继承;
- The ore bodies are strictly controlled by SN and NNW trend fault and the wall rocks and the intrusive rocks are involved in the mineralization. 金矿体严格受SN和NNW向断裂控制,围岩和侵入岩参与了成矿作用。
- The gold deposit is of quartz vein type, with the wall rocks consisting of metamorphic rocks of the Jianping Group in age of Late Archean. 金矿体的赋矿围岩为上太古界建平群变质岩系 ,属于石英脉型金矿床。
- The results indicated that calcites were precipitated during fluid degassing after water-rock interaction between meteoric water and the wall rocks. 研究表明该矿床的方解石是经大气降水与围岩发生水岩反应后的流体去气沉淀的;
- The wall rocks of gold deposits located in Zhaoyuan gold mineralization area were rooted in metamorphic rocks in Jiaodong rock group in Archaean era and granites in Mesozoic era. 山东招远金矿集中区金矿床的围岩为新太古代胶东岩群变质岩和中生代花岗岩。
- Flowing of underground water along faulted zones in marble eroded and corroded wall rocks and formed underground rivers, which finally created karst caves. 断裂带产生于大理岩之中,地下水沿断层破碎带运移,并对岩石进行浸蚀与溶蚀进而发育地下暗河,冲蚀加剧,最终形成今日看到的溶洞。
- The characteristics of stable isotope indicatedthat the ore-forming material was leached from the wall rocks ;and the ore-forming fluid wasmainly supplied by meteoric water. 稳定同位素特征揭示了矿质来说从围岩中淋取;成矿溶液主要来源于大气降水。
- Thereafter, the magma intrudes into covering layer accompanied by the concentration of the gases from the magma and wall rocks in the top of the intrusion body. 这些岩浆又侵入到盖层中,同时,岩浆及围岩中的气体聚集在侵入体的顶部。
- Mylonite schist and granite are the main wall rocks of Tanjianshan gold deposit in Qinghai Province,and granitic rocks play an important role in the formation of gold deposit. 通过对青海滩间山金矿花岗质岩石的岩石化学、稀土元素和铅同位素研究,证明了和金矿有关的花岗质岩浆源于加里东期基性超基性岩的部分熔融或同源玄武岩分离结晶。
- The ground pregrouting and pipe-roof protection method have been adopted to treat the soft wall rocks of shallow depth near the portal of Wulong tunnel in Yuhuai railway. 摘要采用地表预注浆和管棚超前预支护技术,对渝怀铁路武隆隧道进口段的浅埋、软弱围岩进行处理。
- A creeper was entwined round the pillar. 一根攀缘植物缠绕在柱子上。
- LI Jin-xiang,DENG Jun,WU Wen-gen,et al.Study on the sulfur-lead isotope of Zhaoyuan gold Mineralization area and wall rocks[J].Geoscience,2004,18(2):187-192. [9]李金祥;邓军;吴文根;等.;山东招远金矿集中区矿床及围岩中硫和铅同位素的研究[J]
- He has been a pillar of the Church all his life. 他一生都是教会的热心支持者。
- Wall rock is a special medium of underground engineering and its stability affects directly production and safety. 摘要围岩是地下工程类特殊的介质,其稳定性直接影响到生产和安全。
- The enemy was hurried from pillar to post. 敌人被赶得东逃西窜走投无路。
- The paper carefully analyzes bolt supporting system, and measures the parameters of coal wall rock in Fuxin diggings. 本文对锚杆支护理论进行了系统分析,并对阜新矿区煤巷围岩的参数进行了实验测定。