| 单词 | bench-coal |
| 释义 | > as lemmasbench-coal bench-coal n. (a seam of) coal which is divided into layers by intervening material, typically shale or slate; esp. coal of this type found near the base of a coal bed. ΘΚΠ society > occupation and work > materials > fuel > coal or types of coal > [noun] coal1253 sea-coal1253 pit-coal1483 cannel1541 earth coala1552 horse coal1552 Newcastle coal1552 stone-coal1585 cannel coal1587 parrot1594 burn-coal1597 lithanthrax1612 stony coal1617 Welsh coala1618 land-coala1661 foot coal1665 peacock coal1686 rough coal1686 white coal1686 heathen-coalc1697 coal-stone1708 round1708 stone-coal1708 bench-coal1712 slipper coal1712 black coal1713 culm1742 rock coal1750 board coal1761 Bovey coal1761 house coal1784 mineral coal1785 splint1789 splint coal1789 jet coal1794 anthracite1797 wood-coal1799 blind-coal1802 black diamond1803 silk-coal1803 glance-coal1805 lignite1808 Welsh stone-coal1808 soft1811 spout coals1821 spouter1821 Wallsend1821 brown coal1833 paper coal1833 steam-coal1850 peat-coal1851 cherry-coal1853 household1854 sinter coal1854 oil coal1856 raker1857 Kilkenny coal1861 Pottery coal1867 silkstone1867 block coal1871 admiralty1877 rattlejack1877 bunker1883 fusain1883 smitham1883 bunker coal1885 triping1886 trolley coal1890 kibble1891 sea-borne1892 jet1893 steam1897 sack coal1898 Welsh1898 navigation coal1900 Coalite1906 clarain1919 durain1919 vitrain1919 single1921 kolm1930 hards1956 the world > the earth > minerals > types of mineral > hydrocarbon minerals > [noun] > coal > coal in seams or benches ore coal1603 bench-coal1712 1712 Philos. Trans. 1710–12 (Royal Soc.) 27 541 Coal, called Bench-Coal. 1769 Universal Mag. 44 66 (table) Bench-coal, or Bank-coal. 1869 J. T. Hodge in J. Macfarlane Coal-regions Amer. (1873) xi. 246 The roof-coal is not the only part left unworked at many of the mines. Throughout the whole coal-field the lowest two or three feet of the bed contain one or two seams of slate, commonly two, each half and inch or so thick, and about a foot apart... In the destructive rivalry that has existed in the different companies, many have allowed this ‘bench-coal’ to remain unworked, and have been willing to pick out the choicest middle part only. 1951 Canad. Mining & Metall. Bull. 44 334/2 The high sulphur and ash percentages are predominantly found in the roof- and bench-coal, wheras the middle portion of the seam shows average figures. 1998 D. McC. Bridge et al. Geol. Country around Coventry & Nuneaton vii. 62/2 The Bench Coal usually occurs in two leaves, separated by 0.4 to 1.9 m of grey mudstone. < as lemmas |
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