α. 1800s anthraxiferous.
β. 1800s– anthraciferous.
单词 | anthraciferous |
释义 | anthraciferousadj.α. 1800s anthraxiferous. β. 1800s– anthraciferous. Geology. Now rare. Containing or yielding anthracite. ΘΚΠ the world > the earth > minerals > mineral sources > [adjective] > yielding a mineral or metal > coal coaly1594 coaled1724 coal-bearing1813 anthracitous1823 anthraciferous1833 lignitiferous1859 carboniferous1865 1833 W. D. Conybeare in Rep. Brit. Assoc. Advancem. Sci. 1831–2 405 The primitive [order] would contain only the mica schistose group; the transition might contain three groups,—1, the clasmoschistose or grauwacke; 2, the anthraxiferous or lower coal measures; 3, the carboniferous. 1840 London & Edinb. Philos. Mag. 16 389 The first indications of limestone appear,..but never occurring in mass like the limestone of the anthraciferous tract. 1856 Q. Jrnl. Geol. Soc. 12 p. lxvii The question of the age of these anthraxiferous beds of the Alps..has occupied the attention of every geologist who has visited the country. 1875 T. S. Hunt Chem. & Geol. Ess. xiv. 348 The ancient views of Elie de Beaumont and of Sismonda, according to whom the anthraciferous rocks of this region belong to a single great series of jurassic age. 1920 A. Salomon Peru, Potentialities Econ. Devel. iv. 45 Deposits..exist..composed, approximately, of..7% of bituminous and anthraciferous bituminous coal. This entry has been updated (OED Third Edition, March 2016; most recently modified version published online December 2021). < adj.1833 |
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