Geol. Short for bunter Sandstein, i.e., ‘mottled sandstone,’ German name for the New Red Sandstone.
[1830. Lyell, Princ. Geol., XIII. (1850), 187. The Muschelkalk, Keuper, and Bunter Sandstein.] Ibid. (1874), Elem. Geol., xxii. (1885), 331. The basement beds of the Keuper rest with a slight unconformability, upon an eroded surface of the Bunter.
1881. J. E. Lee, Note-bk. Amat. Geol., 72. The bone-bed has evidently filled cracks or hollows in the ‘bunter’ on the scar below.
