| 释义 |
miascite Petrol.|ˈmaɪəskaɪt|
Also miascyte and (in Dicts.) miaskite.
[ad. G. miaszit (Wuttig 1814), f. Miask the name of a town in the Ural Mountains where the mineral was obtained: see -ite.]
(See quot. 1888.)
1854Dana Syst. Min. (ed. 4) II. 246 Miascite, a granular slaty rock consisting of orthoclase, mica, and elæolite, with sometimes quartz, albite, and hornblende. 1868Ibid. (ed. 5) II. 359 Miascyte. 1888Teall Brit. Petrogr. 359 Miascite, term introduced by G. Rose for a rock occurring in the Ilmen Mountains in Russia, essentially composed of orthoclase, elæolite, and dark mica. |