单词 | anthracitization |
释义 | anthracitizationn. Geology. The natural process by which a coal deposit is converted into anthracite. ΘΚΠ the world > the earth > structure of the earth > formation of features > metamorphism > [noun] > others flintifying1799 anthracitization1875 marmarosis1882 granitization1893 marmorosis1909 amphibolitization1918 hybridization1926 hornfelsing1930 amphibolization1932 diaphthoresis1932 metagenetic1963 rodingitization1971 1875 A. Winchell Syllabus Course Lect. Geol. 15 Cause of anthracitization. 1903 Progr. Geol. Surv. U.K. 1902 190 The anthracitisation is more rapid in a north and south direction. 1958 J. Sinclair Geol. Aspects Mining vii. 141 (caption) Lines joining points where the coal possesses the same C/H ratio, that is, has reached the same degree of anthracitization or rank. 2002 L. Thomas Coal Geol. iv. 100/1 The coalification that has produced anthracitisation is due to the proximity of a magmatic heat source. This entry has been updated (OED Third Edition, March 2016; most recently modified version published online December 2021). < n.1875 |
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