= puff stone n. at puff, n. adj.compounds 2.
单词 | θ5626 |
释义 | the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > other argillaceous (7) tough-stonea1641 = puff stone n. at puff, n. adj.compounds 2. waxen vein1681 argilliferous marlite. mudstone1736 any sedimentary rock derived from clay or silt; esp. one lacking the laminations of shale. marlstone1766 Rock consisting of, or having the composition of, consolidated marl; marlite. Also: spec. an iron-rich oolitic limestone of the Middle Lias of… marlite1794 A hard, consolidated marl which resists the decomposing action of air. pelite1879 A sediment or sedimentary rock or composed of very fine clay or mud particles, esp. of hydrated aluminium silicates; lutite. lutite1904 = pelite, n. |
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