cornbrash

As nouns the difference between sandstone and cornbrash

is that sandstone is a sedimentary rock produced by the consolidation and compaction of sand, cemented with clay etc while cornbrash is (geology) a coarse calcareous sandstone in various parts of england.

As an adjective calcareous

is resembling or containing calcium carbonate or limestone; chalky.

As a noun cornbrash is

(geology) a coarse calcareous sandstone in various parts of england.

As an adjective coarse

is composed of large parts or particles; of inferior quality or appearance; not fine in material or close in texture.

As a noun cornbrash is

a coarse calcareous sandstone in various parts of England.