单词 | olivine |
释义 | olivinen.adj. Mineralogy and Geology. A. n. An olive-green, grey-green, or brown orthorhombic silicate of magnesium and iron which is a common mineral in basic igneous rocks. Also: (a member of) a group of isomorphous silicate minerals also including fayalite and forsterite, which contain varying proportions of magnesium, iron, manganese, and calcium. ΘΚΠ the world > the earth > minerals > types of mineral > other miscellaneous minerals > [noun] > containing tellurium or olivine olivine1794 tellurium1804 altaite1849 melonite1867 coloradoite1877 society > occupation and work > materials > raw material > gem or precious stone > chrysolite > [noun] > peridot or olivine peridot1706 olivine1794 chrysolite1813 the world > the earth > minerals > types of mineral > silicates > nesosilicates > [noun] > olivine group > olivine or chrysolites topaz1567 olivine1794 chrysolite1813 hyalosiderite1824 glinkite1849 amiantus1863 titanolivine1880 peridotite1882 neochrysolite1884 iddingsite1893 1794 R. Kirwan Elem. Mineral. 263 Olivin..is found generally in roundish grains. 1816 R. Jameson Syst. Mineral. II. 74 Olivine is nearly allied to Augite. 1879 F. Rutley Study of Rocks x. 116 Olivine is a common constituent of many eruptive rocks. 1888 Amer. Naturalist 22 597 Professor Zirkel calls particular attention to the total absence of any augite, olivin, or glass. 1909 Westm. Gaz. 28 Aug. 15/3 The chrysolite belongs to the species of gems known as olivine, the colours of which range from a pale to a greenish yellow. 1957 H. S. Zim & P. R. Shaffer Rocks & Minerals 113 Peridotite is a dark, heavy intrusive rock composed mainly of olivine with pyroxene and tiny flecks of phlogopite mica or hornblende. 1990 C. Pellant Rocks, Minerals & Fossils 80 The properties of olivines vary as the iron content increases. Gem-quality forsterite is called peridot. B. adj. (attributive). Containing, consisting of, or resembling olivine. ΘΚΠ the world > the earth > minerals > mineral sources > [adjective] > yielding a mineral or metal > olivine olivine1837 oliviniferous1845 the world > the earth > minerals > types of mineral > silicates > nesosilicates > [adjective] > olivine or chrysolites amiantiform1801 olivine1837 amiantoidal1864 peridotic1867 olivinitic1889 olivinic1890 1837 S. Lewis Topogr. Dict. Ireland 34 Imbedded in them are granular olivine augite. 1872 W. S. Symonds Rec. Rocks i. 12 Micaceous and olivine rocks. 1884 Bookseller 6 Nov. 1190 These two books..are bound in bevel boards, with olivine edges. 1967 M. Chandler Ceramics in Mod. World v. 150 Olivine refractories are made almost entirely from crushed and ground uncalcined olivine rock. 1990 Jrnl. Petrol. 31 1230 The olivine phenocrysts are generally euhdral to subhedral. Compounds Forming names of rocks containing olivine as a major constituent. olivine basalt n. ΚΠ 1888 Amer. Naturalist 22 303 Olivine basalts, in which olivine is an essential constituent, in addition to plagioclase and augite. 1936 J. S. Flett in G. V. Wilson & J. Knox Geol. Orkney & Shetland Islands xvii. 180 They are the only olivine-basalt dykes that have been discovered in the Orkneys. 1998 Current Anthropol. 39 526/2 All six samples are virtually identical and are classified as alkali olivine basalts. olivine diabase n. ΚΠ 1878 G. W. Hawes in H. C. Hitchcock Geol. New Hampsh. iv. 56 At times it is well crystallized in the rocks, as, for example, in the olivine diabase of Campton Falls. 1936 Science 22 May 485/2 With a dating of the fresh olivine diabase dikes..it should be possible to determine the chronological position of the Killarnean Revolution. 2000 Canad. Mineralogist 38 217 The olivine diabases..represent renewed partial melting of the same mantle source. olivine dolerite n. ΚΠ 1879 N. S. Maskelyne in Philos. Trans. (Royal Soc.) 168 298 Some of them might indeed be termed Olivine dolerites, from the abundance of this mineral. 1956 W. Edwards in D. L. Linton Sheffield 15 Boreholes in the southeastern part of the coalfield have revealed thick, sill-like beds of olivine-dolerite and analcime-dolerite. 1999 Terra Nova 11 216 These ages represent tectonic events related to the intrusion of olivine dolerite dykes and sills in SW Finland. olivine gabbro n. ΚΠ 1886 J. W. Judd in Q. Jrnl. Geol. Soc. 42 50 Rocks which had been shown..to be very typical ‘olivine-gabbros’, are really of Tertiary age. 1965 E. L. P. Mercy in G. Y. Craig Geol. of Scotl. vii. 243/2 Rhythmic banding in the olivine-gabbros and troctolites has been described. 1993 Science 13 Aug. 903/1 We dated primary biotite from an alkali olivine gabbro..of the Toa pluton by incremental laser-heating. olivine monzonite n. ΚΠ 1900 Hill & Kynaston in Q. Jrnl. Geol. Soc. 56 532 Taking..the Kentallen rock as our type, we propose that the term kentallenite should be substituted for olivine-monzonite. 1965 Philos. Trans. (Royal Soc.) A. 257 73 Average modal analyses of olivine-monzonite from Chilembene Hill. 1999 N.Z. Jrnl. Geol. & Geophysics 42 255 Takitimu and Productus Creek Group rocks are intruded by Triassic to Early Jurassic igneous rocks ranging from andesite to diorite and olivine monzonite. olivine tholeiite n. ΚΠ 1888 Amer. Naturalist 22 299 As in the augite porphyrite proter, three types are distinguished:—..(c) olivine-tholeiite, an olivine-bearing tholeiite. 1964 Science 30 Oct. 636/2 Tholeiite and olivine-tholeiite magma probably originate by the nearly complete fusion..of the pyroxenitic or eclogitic fraction of mantle rock. 1990 Jrnl. Petrol. 31 1201 The basalts are compositionally diverse and include olivine tholeiites, alkali olivine basalts, basanites, [etc.]. Derivatives oliˈvinic adj. of, relating to, resembling, or containing olivine. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > nesosilicates > [adjective] > olivine or chrysolites amiantiform1801 olivine1837 amiantoidal1864 peridotic1867 olivinitic1889 olivinic1890 1890 Cent. Dict. Olivinic, pertaining to, resembling, or characterized by the presence of olivin. 1894 Mineral. Mag. 10 312 A silicate of the olivinic type. 1970 Science 30 Jan. 748 (table) Source. Olivinic Fe. ΘΚΠ the world > the earth > minerals > mineral sources > [adjective] > yielding a mineral or metal > olivine olivine1837 oliviniferous1845 1845 Jrnl. Asiatic Soc. Bengal 14 i. 294 The narrow zone of oliviniferous trap. oliviˈnitic adj. = olivinic adj. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > nesosilicates > [adjective] > olivine or chrysolites amiantiform1801 olivine1837 amiantoidal1864 peridotic1867 olivinitic1889 olivinic1890 1889 Amer. Naturalist 23 258 The former include olivinitic and non-olivinitic varieties in different members which the amount of plagioclase varies largely. 1918 Proc. National Acad. Sci. U.S.A. 4 112 The norms of these highly olivinitic basalts do not contain normative nephelite, but contain normative hypersthene. This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022). < n.adj.1794 |
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