quartzousadj.
/ˈkwɔːtsəs/, U.S. /ˈkwɔrtsəs/ Geology. rare.
= quartzose adj.
ΘΚΠ
the world > the earth > minerals > types of mineral > silicates > tectosilicate > [adjective] > quartz
quartzose1757
quartzy1757
quartzous1776
quartzine1853
1776 R. E. Raspe tr. J. J. Ferber Trav. Italy xxiii. 303 There are other hills in Piedmont, calcareous and quartzous [Ger. quartzig] ones, which are veined with small stripes of mica.
1790 Monthly Rev. 3 547 It appears, that hard quartzous and silicious stones give a reddish light.
1815 Chron. in Ann. Reg. 540 The sand..is quartzous.
1951 Biol. Bull. 100 60 These sands are quartzous, with very few mica flakes.
2004 Quaternary Internat. 114 68/2 The terraces are formed by Quaternary accumulation capped by Gley soils and alluvial quartzous sands.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).
<
adj.1776