Old Red Sandstone

noun

1. a thick sequence of sedimentary rock (generally, but not always, red) deposited in Britain and NW Europe during the Devonian period
2. (in Britain) another term for Devonian

Example Sentences

The Altar Stone was believed to be from old red sandstone in south Wales - rocks that extend in the east across Britain.

From BBC

Now Aberystwyth scientists have compared analysis of the Altar Stone with 58 samples of old red sandstone from across Wales and the Welsh borders.

From BBC

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

From Literature

At the time, this terrain lay far from the arctic, at lower latitudes, locked in the arid interior of a landmass called the Old Red Sandstone Continent.

From Science Magazine

Then Abner Dean of Angel's raised a point of order, when A chunck of old red sandstone took him in the abdomen, And he smiled a sickly smile, and curled up on the floor, And the subsequent proceedings interested him no more.

From Project Gutenberg