Black mountains Sentence Examples
The remainder and greater part of the county is occupied chiefly by the gently inclined Old Red Sandstone; in the dissected plateau of the Black Mountains north of Crickhowell the lower marls and cornstones are laid open, while south of Brecon the conglomeratic upper beds form the escarpment and plateaus of the Beacons.
Glacial deposits spread over the lower grounds and striae occur at great heights on the Black Mountains.
The Black Mountains are composed of nearly horizontal Devonian Lower Old Red Sandstone.
In the east are the Black Mountains (plural) with their massive rounded summits and stark expanses of open peaty moor-land.Advertisement