In the south, the mountains are composed of old red sandstone with limestone river valleys.

Hood's building was made of old red sandstone; the wooden windows showed dry rot.

The land is old red sandstone with a very high content of fine silts.

The exterior is made of old red sandstone.

The island is made up of old red sandstone with some basaltic intrusions.

The castle is predominantly built of local old red sandstone and limestone.

When Matthias arrived at the wall he felt like patting the old red sandstone.

Erosion by wind and rain has left an isolated pillar of 350 million year old sandstone.

The old red sandstone; or, New walks in an old field.

The rock is old red sandstone of the Devonian period.