| 单词 |
dolomite |
| 释义 |
▪ I. dolomite, n. Min.|ˈdɒləmaɪt|
[In F. dolomie, dolomite, named 1794 after M. Dolomieu, a French geologist and mineralogist: see -ite.]
A native double carbonate of lime and magnesia, occurring crystalline, and in granular masses, white or coloured, called dolomite marble; a rock consisting essentially of this mineral.
1794Kirwan Min. I. 111 Common Dolomite. 1799Tennant in Phil. Trans. LXXXIX. 309 The kind of marble which had been called Dolomite, from M. Dolomieu, who first remarked its peculiarity in dissolving slowly. 1862Chambers' Encycl. s.v. Dolomite, The new Houses of Parliament are built of dolomite. 1876Page Adv. Text-b. Geol. v. 102 Dolomite is a granular or crystalline variety of magnesian limestone.
b. pl. the Dolomites = the dolomite mountains or peaks; spec. those of Southern Tyrol.
1870(title) Zigzagging amongst Dolomites. 1873A. B. Edwards A Midsummer Ramble among the Dolomites.
c. attrib. and Comb., as dolomite country, dolomite mountain, dolomite peak; dolomite-like adj.
1846L. S. Costello Tour Venice 389 The horns of the dolomite mountains. 1864Sat. Rev. 8 July 58/2 The strong-hold of the Dolomite country. 1864Soc. Sc. Rev. 35 Celebrated for their Dolomite peaks. 1868Dana Min. §742 A fine-grained dolomite-like rock.
Hence ˈdolomitize v. (also ˈdolomize), to convert into dolomite; dolomitiˈzation (also dolomiˈzation), conversion into dolomite.
1833Lyell in Life (1881) I. 397 To make up my mind about Von Buch's theory of dolomisation. 1849Dana Geol. ii. (1850) 153 An instance of dolomization. 1862G. P. Scrope Volcanos 89 The frequent dolomitization of limestones. 1863A. C. Ramsay Phys. Geog. x. (1878) 149 Some modern atolls are known to become dolomitised. 1891Nature 10 Sept., The limestone had been dolomitized.
▪ II. ˈdolomite, v.
[f. the n.]
= dolomitize v.
1913V. B. Lewes Oil Fuel 32 The carbon dioxide dissolved in the brine under enormous pressure would slowly become absorbed in actions upon the mineral matter present, such as forming carbonates and soluble bicarbonates of magnesia, thus dolomiting the calcareous deposits. |
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