a. [f. prec. + -(I)FEROUS.] Bearing or containing quartz.
1832. De la Beche, Geol. Man. (ed. 2), 403. The pieces of quartziferous porphyry … have better resisted attrition.
1872. W. S. Symonds, Rec. Rocks, iii. 49. The Quartziferous breccias … of the Caernarvon peninsula.
1879. Rutley, Stud. Rocks, xii. 242. A … number of diorites are quartziferous.
