| 单词 | olivine |
| 释义 | olivine Min.|ˈɒlɪvaɪn, -ɪn|
Also -in.
[Named 1790; f. L. olīva olive: see -ine5.]
a. A variety of chrysolite, chiefly of olive-green colour, occurring in eruptive rocks and in meteorites.
1794Kirwan Min. 263 Olivin..is found generally in roundish grains. 1816R. Jameson Min. II. 74 Olivine is nearly allied to Augite. 1879Rutley Stud. Rocks x. 116 Olivine is a common constituent of many eruptive rocks.
b. attrib. Containing or resembling olivine.
1872W. S. Symonds Rec. Rocks i. 12 Micaceous and olivine rocks. 1884Bookseller 6 Nov. 1190 These two books..are bound in bevel boards, with olivine edges.
c. In comb. naming mixed minerals, as olivine-diabase, olivine-gabbro.
1895A. Harker Petrol. 115 Numerous olivine-diabases are associated with the Carboniferous strata of the Midlands. Ibid. 68 The Tertiary gabbros of the western islands of Scotland..are in general olivine-gabbros. 1900[see kentallenite]. 1936J. S. Flett in Wilson & Knox Geol. Orkney xvii. 180 They are the only olivine-basalt dykes that have been discovered in the Orkneys. 1956W. 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. 1965E. L. P. Mercy in G. Y. Craig Geol. of Scotland vii. 243/2 Rhythmic banding in the olivine-gabbros and troctolites has been described.
Hence oliˈvinic, oliviˈnitic adjs., pertaining to, resembling, or containing olivine; oliviˈniferous a., containing or yielding olivine.
1845Jrnl. Asiatic Soc. Bengal XIV. 294 The narrow zone of oliviniferous trap. 1894L. Fletcher in Mineralog. Mag. X. 312 A silicate of the olivinic type. |
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