| 单词 | post-stone |
| 释义 | > as lemmaspost-stone a. As a mass noun: fine-grained sandstone or limestone; (also) sandstone in general. Also post-stone. Cf. post rock n.1 ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > sandstone > fine sandstone post1775 siltstone1920 1775 T. Campbell Diary 27 Mar. (1947) 63 Went to the Pantheon in the evening, it is a beautiful room & highly finished, with colums—of post—resembling porphiry—or Armagh marble rather. 1789 J. Williams Nat. Hist. Mineral Kingdom I. 41 There are several thick beds of red and white post stone. 1797 Encycl. Brit. V. 93/2 Of Post-stone. This is a free stone of the hardest kind..of a very fine texture..and when broken appears as if composed of the finest sand... Red post is generally of a dull red colour. 1875 Proc. Royal Soc. 1874–5 23 550 Coaly shale, strong blue shale, and grey post stone. 1883 W. S. Gresley Gloss. Terms Coal Mining Post,..2. (N[orth of England]) Sandstone (fine-grained). 1964 A. Nelson Dict. Mining 340 Post, a general term for sandstone. 1999 Kansas City Business Jrnl. (Nexis) 6 Aug. 7 The limestone, also called post stone, was quarried in western Kansas, where it was used in the mid- to late 1800s for fence posts. < as lemmas |
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