ˈnorite Geol. and Min.
(ˈnɔəraɪt)
[f. Nor(way) + -ite.]
A variety of gabbro or granite.
| 1878 tr. Cotta's Rocks 143 The norite of Scheerer is a compound of hypersthene or diallage, labradorite, orthoclase (containing soda), and even some quartz. 1885 Geikie Text-bk. Geol. (ed. 2) 154 Norite. Under this name Rosenbusch has proposed to group all the older gabbro-like rocks in which any rhombic pyroxene..is conjoined with a plagioclase felspar. |