| 释义 |
cornbrash Geol.|ˈkɔːnbræʃ|
[f. corn n.1 + brash n.2]
A name, originally local, for the coarse ‘brashy’ calcareous sandstone which forms the upper division of the Lower Oolite in various parts of England. Also attrib.
1813J. Townsend Char. Moses I. vi. 103 A rock known by the name of corn brash and corn grit... This brashy, or ragged, calcareous rock..may be noticed..either round Atford, and at Wraxall, or at Chippenham, with the interjacent country. 1815W. Smith Mem. Delineation Strata 45 The corn⁓brash is very aptly described by its name, as in the western part of its course..this is almost the only land in tillage. In Wiltshire it is called cornbrash, and in Northamptonshire redbacks. 1833Lyell Princ. Geol. III. 66 Beds of sandy limestone..replete with numerous fragments of shells, and much resembling, in structure, the English cornbrash. 1866Phillips in Athenæum 2 May (1874), While walking over some cornbrash fields near Bath. |