单词 | cornbrash |
释义 | cornbrashn. Geology. 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 attributive. ΘΚΠ the world > the earth > structure of the earth > age or period > stratigraphic units > [noun] > secondary or Mesozoic > Jurassic > specific Oxford clay1812 cornbrash1813 Kellaways1813 Portland oolite1814 coral-rag1816 oolite1816 Oxford oolite1818 Kimmeridge clay1830 lias1833 Portland sand1836 skull-cap1839 Solenhofen slate1841 Stonesfield slate1855 Callovian1856 Tithonian1869 coralline oolite1871 Lincolnshire limestone1873 Ampthill Clay1877 Aalenian1882 Pliensbachian1903 the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > sandstone > coarse sandstone gritc1275 gritstone1555 cornbrash1813 grit-rock1838 1813 J. 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. 1815 W. Smith Mem. to Map Strata Eng. & Wales 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. 1833 C. Lyell Princ. Geol. III. 66 Beds of sandy limestone..replete with numerous fragments of shells, and much resembling, in structure, the English cornbrash. 1866 Phillips in Athenæum 2 May (1874) While walking over some cornbrash fields near Bath. This entry has not yet been fully updated (first published 1893; most recently modified version published online March 2022). < n.1813 |
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