Definition for SAND'STONE

SAND'STONE, n. [sand and stone.]

Sandstone is, in most cases, composed chiefly of grains of quartz united by a cement, calcarious, marly, argillaceous, or even silicious. The texture of some kinds is loose, of others close; the fracture is granular or earthy. – Cleaveland. Sandstones usually consist of the materials of older rocks, as granite, broken up and comminuted, and afterward deposited again. – D. Olmsted.

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