| 释义 |
granitoid, a. and n.|ˈgrænɪtɔɪd|
[f. granite + -oid.]
A. adj. Resembling granite; having the granular-crystalline structure of granite.
1839Murchison Silur. Syst. i. xxxi. 418 Small yellowish green veins ramifying through the granitoid and syenitic rocks. 1843Portlock Geol. 508 Granitoid mica schists. 1856Kane Arct. Expl. II. App. ii. 308 Numerous granitoid islands. 1881Geikie in Macm. Mag. XLIV. 426 A huge erratic of the usual granitoid gneiss. 1885H. O. Forbes Nat. Wand. E. Archip. 333 No rock of a sedimentary or granitoid character could I detect.
B. n. A granitoid rock.
1794Kirwan Elem. Min. (ed. 2) I. 369 Still many aggregates are daily met, which cannot be arranged under any general denomination now in use. Hence I would propose to call them, if any of their constituent parts can be considered as a basis or cement, Porphyroids; if none can be considered as a basis, Granitoids. 1811Pinkerton Petral. I. 209 Such [rocks]..as perfectly resemble granite, but are of a very different modification, are here styled granitoids.
Hence graniˈtoidal a. = granitoid a.
18..Newbold in Stocqueler Handbk. Brit. Ind. (1854) 305 Granitoidal gneiss. |