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单词 cornbrash
释义

cornbrashn.

Brit. /ˈkɔːnbraʃ/, U.S. /ˈkɔrnˌbræʃ/
Etymology: < corn n.1 + brash n.2
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).
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n.1813
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更新时间:2024/11/11 4:49:16