Definition of millstone grit in English:

millstone grit

noun

mass noun

词汇	millstone grit
释义	Definition of millstone grit in English: millstone grit noun mass noun 1A coarse sandstone of the British Carboniferous, occurring immediately below the coal measures. 磨石粗砂岩 Example sentencesExamples Furthermore, north Derbyshire is millstone grit and limestone country, with stone walls, sheep farms, and bleak moors, whereas in the south there are hedged dairy and arable farms on clay, sandstone, and alluvium. Most carved stones are flat-topped outcrops of the local millstone grit. This school is built on rock, millstone grit, alongside carboniferous limestone. ‘A lot of houses in Clayton were built more than 100 years ago with millstone grit which ages naturally,’ she said. The geology here is alternating layers of limestone and shale topped with millstone grit. 1.1 Any hard siliceous rock suitable for making millstones. 任何可做磨石的硬硅质石 Example sentencesExamples If millstone grit occurs, please state what use has been made of it. About a mile below Grayson, the millstone grit is seen on Barrett's creek.
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