from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A sedimentary rock consisting of small fragments of feldspar and quartz similar to a coarse sand.
from the GNU version of the Collaborative International Dictionary of English
- n. A sandstone derived from the disintegration of granite or gneiss, and characterized by feldspar fragments.
from The Century Dictionary and Cyclopedia
- n. Feldspathic sandstone; a rock consisting essentially of more or less consolidated quartzose sand with grains or particles of orthoclase disseminated through it, and frequently containing also some mica and kaolin.
Sorry, no etymologies found.