单词 | wall rock |
释义 | wall rock (once / 274868 pages) n WORD FAMILY wall rock: wall rocks USAGE EXAMPLESI could soon talk glibly of "blossom rock," "pay streaks," "cap rock," "wall rock," "rich color," and use the common terms of miners. Hambleton, Chalkley J., A Gold Hunter's Experience(2010) Eagerly he examined the formation, the quartz, the wall rocks and surroundings, ejaculating and questioning Eyllen in the meantime. Sullivan, May Kellogg, The Trail of a Sourdough—Life in Al...(2010) They also replace the wall rocks; limestone is especially susceptible. Leith, C. K. (Charles Kenneth), The Economic Aspect of Geology(2010) n a rock immediately adjacent to a vein or fault Hyper rock, stone a lump or mass of hard consolidated mineral matter |
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