单词 | quartz-resinite |
释义 | > as lemmasquartz-resinite 1. Mineralogy. Originally: (more fully quartz-resinite) a siliceous material of resinous or opaline appearance. In later use: fossilized resin, esp. as a constituent (maceral) of coal, in which it typically occurs as elliptical or spindle-shaped bodies. ΘΚΠ the world > the earth > minerals > types of mineral > hydrocarbon minerals > [noun] > resins > retinasphalt resinite1804 retinasphalt1804 resinasphalt1806 retinite1820 society > occupation and work > materials > raw material > mineral material > mineral and fossil resins > [noun] > fossil resin found with lignite resinite1804 retinasphalt1804 resinasphalt1806 retinite1820 1804 Philos. Trans. (Royal Soc.) 94 42 I have long since adopted this word [sc. girasol]..to distinguish the substance to which Mr. Werner gives the general name of opal, and to which the Abbé Hauy gives the name of quartz resinite. 1808 W. Nicholson Dict. Pract. & Theoret. Chem. (at cited word) In the resinites the silex is not so abundant, as in most species. 1849 J. D. Dana U.S. Exploring Exped.: Geol. (1850) x. 542 Some of the wood is beautifully opalized, though the greater part has the pitchy lustre of resinite. 1911 Jrnl. Iron & Steel Inst. 84 429 On the southern flank of the hill, is a great lenticle of iron ore, accompanied by white opal and resinite, resting upon the pre-Silurian dolomitic limestone. 1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) III. 232/2 As a means of simplification, three varieties, or maceral groups, have been set up: vitrinite..resinite..and inertinite. 1989 J. A. Miles Illustr. Gloss. Petroleum Geochem. 107 Quantities of resinite are found in a belt from South America to New Guinea, related to the palaeogeography before continental break-up about 170 million years ago. 2003 J. H. Langenheim Plant resins iv.187 Microscopic particles of resin, or resinites, are ubiquitous in most American coals below the medium-volatile bituminous range. < as lemmas |
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