Old Red Sandstone


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Related to Old Red Sandstone: New Red Sandstone, Old Red Sandstone continent

Old Red Sandstone

n
1. (Geological Science) a thick sequence of sedimentary rock (generally, but not always, red) deposited in Britain and NW Europe during the Devonian period
2. (Geological Science) (in Britain) another term for Devonian
Abbreviation: ORS
References in periodicals archive ?
The rest of the morning will consist of a downhill traverse through the remaining Silurian sequence into the Old Red Sandstone, followed by lunch at the Farmer's Boy.
Pamela who, sadly, died relatively young, drew inspiration for these delicate-textured vessels from the dramatic mountains, ice-sculpted from Old Red Sandstone, around her home near Llanfrynach in the Brecon Beacons.
The Old Red Sandstone antiarchs of Scotland: Pterichthyodes and Microbrachius.
Most ferry journeys offer not much more eventful than overpriced canteen food, but this one served up two awe-inspiring sights - the Old Man of Hoy, a 449ft sea stack formed from old red sandstone, and a school of dolphins passing by.
At the Market Cross, west of the entrance to the old red sandstone building, a veteran Ba' player proudly holds ahand–made, brown and black patterned leather, cork–packed ball, the object of everyone's rapt attention.
I seem to remember the old red sandstone rock on geology maps at school.
Anyway, folks, located within an old red sandstone church, you'll find Ayr Spice (and, boy-oh-boy, I really urge you to find Ayr Spice) just five miles south of Ayr in the tiny village of Minishant.
Monographie des poissons fossiles du vieux gres rouge, ou systeme devonien (Old Red Sandstone) des Iles britanniques et de Russie.
Having been dispatched here for working porpoises, sorry purposes, your correspondent has not touched alcohol all week, though I have become an authority on the local mineral waters - at the moment Ballygowan is trailing behind the originally named Galway Spring, the rather dubious Deep Riverrock (imported from a foreign land, namely Ulster) and the delicious Kerry Spring, my drink of choice all week which gets its unique taste (apparently) from "Atlantic rainclouds that have crossed the coast at Dingle before being filtered further through old red sandstone rock before emerging as pure crystal-clear Kerry mineral water".
Known to experts as Devonian Old Red Sandstone, it varies in colour, at best, the most subtle grey pink.
Rock from this period is called old red sandstone and was the main stone used in the mediaeval buildings of north Warwickshire.