Geol. [A German miners term.] The name given in Germany, and thence by English geologists, to the upper member of the Triassic system, consisting in Germany of marls, shales, sandstones, gypsum, and clays, in England chiefly of marls and sandstones.
1844. Ansted, Geol., I. xix. 295. The Keuper, the uppermost division of the Triassic system, is called by the French marnes irisées.
1858. Whewell, Novum Org. Renov., IV. ix. (ed. 3), 288. The term Pœcilite [was] proposed by Mr. Conybeare to designate the group of strata which lies below the oolites and lias, including the new red or variegated sandstone, with the keuper above, and the magnesian limestone below it.
1863. Lyell, Antiq. Man, xvi. (ed. 3), 332. It is mottled with red and green, like the New Red Sandstone or keuper.