Geological formation in Great Britain laid down from the Permian and the Triassic, consisting mostly of reddish–yellowish sandstones interbedded with evaporite minerals
faciès de sédiments continentaux de couleur rouge (fr)
ruĝa grejsa tavolo en Britio el permio kaj triaso (eo)
geological formation in Great Britain laid down from the Permian and the Triassic, consisting mostly of reddish–yellowish sandstones interbedded with evaporite minerals (en)
Originally in Scotland, range extended to all red-bed sequences of Permian and Triassic age in southwest England, and parts of northwest and northeast England. (en)