单词 | slate marl |
释义 | > as lemmasslate marl slate marl n. a consolidated marl. ΚΠ 1707 J. Mortimer Whole Art Husbandry (1721) I. 87 Stone, Slate, or Flag-marle, which is a kind of a soft Stone..of a blue or bluish Colour. 1772 J. Ainslie in A. Hunter et al. Georgical Ess. (new ed.) III. ii. 41 A drachm of a friable slate-marle afforded a residuum of eighteen grains of yellow sand. 1805 R. W. Dickson Pract. Agric. I. 238 Where this sort of marle has a thin laminated structure.., it is frequently denominated slate marle. < as lemmas |
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