... wallpressure巷壁压力 wallrock围岩 wallsystem长壁开采法 ...
基于8个网页-相关网页
wallrock halo 围岩晕
wallrock aureole 围岩环
tunnel wallrock detection 隧道围岩探测
wallrock alteration model 蚀变模式
Mainly coarse grained gold, along with pyrite, pyrrhotite, arsenopyrite, and minor base metal sulfides, occur in networks of quartz veinlets, brecciated wallrock, and disseminated in altered wallrock.
大部分粗粒金主要赋存在网格状石英细脉和角砾状围岩中的黄铁矿、磁黄铁矿、毒砂和少量贱金属硫化物中和以分散状分布在蚀变围岩中。
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