from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A form of limestone (or dolomite) composed of sand grains derived from the erosion of older rocks
from The Century Dictionary and Cyclopedia
- n. In petrography, a term proposed by A. W. Grabau (1903) for a limestone or dolomite composed of coral- or shell-sand, or of lime-sand derived from the erosion of older limestones. In structure it resembles psammites or silicious sandstones, being generally known by the term sandstone.
Sorry, no etymologies found.