单词 | quartzose |
释义 | quartzoseadj. Geology. Composed mainly or entirely of quartz; of the nature of quartz. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > tectosilicate > [adjective] > quartz quartzose1757 quartzy1757 quartzous1776 quartzine1853 1757 E. M. da Costa Nat. Hist. Fossils 275 Pellucid quartzose grains it has none. 1817 W. Pitt Topogr. Hist. Staffs. ii. 36 Here the hills are often rocky, with small fragments upon and near the surface, in some parts quartzose, in others gritty. 1878 A. H. Green et al. Coal: Hist. & Uses ii. 47 Thick masses of very coarse quartzose conglomerate. 1940 F. F. Grout Kemp's Handbk. Rocks (ed. 6) x. 226 As quartz increases the quartzose schists grade to schistose quartzites. 1995 J. Hildebrand Mapping Farm x. 150 Water in the Jordan aquifer..takes thirty-six years on average to penetrate the dense quartzose sandstone. This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022). < adj.1757 |
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