The
Old Red Sandstone antiarchs of Scotland: Family Bothriolepididae.
Biostratigraphical correlations of Early Devonian vertebrate assemblages of the
Old Red Sandstone Continent.
These sediments are reddish-brown in colour and were deposited in oxygenated environments irrespective of the source of clastic material, sediment composition as well as tectonic and depositional settings, similarly to the case of the
Old Red Sandstone facies widespread in the North Atlantic region (Friend 1969; McClay et al.
Hugh Miller discovered and explored the fossil fish of the Black Isle syncline, 350 to 400million-year-old rocks, and published the results in 1841 in The
Old Red Sandstone.
After the collision of the continents of Laurentia and Avalonia, Britain became part of the
Old Red Sandstone continent, which lay just south of the Equator in a hot and arid climate.
Warden Richard Brown says: "The Quarry is a natural amphitheatre of
old red sandstone where hundreds of storm petrels nest in fragile crevices.
Trace fossils and paleoenvironments of a Late Silurian marginal marine/alluvial system: the Ringerike Group (Lower
Old Red Sandstone), Oslo Region, Norway.
It is bounded by cliffs of
old red sandstone that rise from 70ft in the north east to 160ft in the south-west and it is frequently battered by storms.
The fracturing and displacement of quartz grains in carbonate-cemented siliciclastic rocks has been described in many places (Becker & Day 1916; Dapples 1971; Watts 1978; Buczynski & Chafetz 1987; Braithwaite 1989), among others also in the
Old Red Sandstone of Scotland (Saigal & Walton 1988).
Limestone to the west and north of the
old red sandstone of the Hereford Plain has given rise to exceptionally attractive hilly country with delightful, narrow valleys.
Perched on a windy ridge, the garden has the blackest of soil, which I always thought strange, since mine not far away has the characteristics of the underlying
Old Red Sandstone - heavy, red clay.
The reality suggested by the marks in the
Old Red Sandstone fossils from Powys is more staid than the Guinness advert's interpretation, but the new evidence is important because it could point to the first time vertebrates evolved limbs.