granophyre Geol.
(ˈgrænəʊfaɪə(r))
[First introduced in Ger. form granophyr by Vogelsang 1872; f. G. gran(it) granite + (por)phyr porphyry.]
(See quot. 1882.)
| 1882 Geikie Text-bk. Geol. ii. ii. iii. 90 Vogelsang has proposed to classify this type [Porphyritic] in three divisions: 1st, Granophyre, where the ground-mass is a microscopic crystalline mixture of the component minerals, with a sparing development of an imperfectly individualized magma; 2nd, Felsophyre,..; 3rd, Vitrophyre. 1885 [see Granite-porphyry]. 1894 Naturalist Mag. 298/16 Buttermere granophyres, Yewdale breccias [etc.]. 1897 Geikie Anc. Volcanoes Gt. Brit. I. 17 The protrusion of the gabbros and granophyres which mark later stages of the same continuous volcanic history. |
Hence granoˈphyric a., composed of granophyre.
| 1897 Geikie Anc. Volcanoes Gt. Brit. I. 20 The felsitic and granophyric dykes of Skye. |