Mining. As a mass noun: fine-grained sandstone or limestone; (also) sandstone in general. Also post-stone. Cf. post rock, n.1
单词 | θ5617 |
释义 | the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > sandstone > fine sandstone (2) post1775 Mining. As a mass noun: fine-grained sandstone or limestone; (also) sandstone in general. Also post-stone. Cf. post rock, n.1 siltstone1920 (see quot. 1920). |
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