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单词 carstone
释义

carstonen.

/ˈkɑːstəʊn/
Etymology: apparently = carn-stone, for quarn stone, local form of quernstone n.
Geology.
A species of the Lower Greensand.
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the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > sandstone > greensand
greensand1700
fox-mould1808
carstone1815
malm rock1833
potash greensand1869
1815 W. Smith Mem. to Map Strata Eng. & Wales 43 Iron Sand, or Carstone.
1822 W. D. Conybeare & W. Phillips Outl. Geol. Eng. & Wales 136 Iron Sand... We are able to trace and identify the present series throughout the island. In different counties it has received the name of Carstone and Quern stone.
a1855 W. T. Spurdens Forby's Vocab. E. Anglia (1858) III. 8 Car-stone, a peculiar stone, found principally near Swaffham.
1876 H. B. Woodward Geol. Eng. & Wales 230 The hard beds, locally termed Carstone (or Quern stone), are worked for building-purposes.
1882 A. Geikie Text-bk. Geol. 820 The Upper Neocomian ‘Car-stone’.
1940 Nature 8 June 902/1 A carstone rubble bed.
1961 M. W. Barley Eng. Farmhouse & Cottage ii. iv. 103 Chalk, like carstone, was little used before the end of the eighteenth century.
This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018).
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n.1815
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