单词 | clay-stone |
释义 | clay-stonen.ΚΠ a1400 (a1325) Cursor Mundi (Fairf. 14) l. 5524 Baþ clay stane and morter. 2. Mineralogy. An earthy feldspathic rock of igneous origin, and of various dull colours: the harder varieties were known as compact feldspar. When breathed on it emits an odour of damp clay. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > other igneous clay-stone1777 variolite1781 pyroxenite1845 aplite1862 anorthosite1863 teschenite1866 yellow ground1883 kimberlite1887 sanidinite1887 websterite1890 essexite1891 monzonite1895 missourite1896 theralite1898 heronite1899 kentallenite1900 carbonatite1924 wonderstone1936 1777 G. Forster Voy. round World I. 149 A kind of brown talcous clay-stone..common to all New Zeeland. 1843 J. E. Portlock Rep. Geol. Londonderry 153 A reddish coloured claystone, amygdaloid, very vesicular. 1850 J. D. Dana U.S. Exploring Exped.: Geol. xiii. 584 The clay~stone has a dark greenish-brown colour. 1851 M. Reid Scalp Hunters I. xx. 267 Smoking out of curiously carved pipes of the red claystone. 1876 D. Page Adv. Text-bk. Geol. (ed. 6) vii. 134. Compounds clay-stone porphyry n. a clay-stone of more crystalline texture. ΚΠ 1862 D. T. Ansted & R. G. Latham Channel Islands ii. x. 271 Shale, occasionally hardening into an exceedingly compact clay-stone, or clay-stone porphyry. This entry has not yet been fully updated (first published 1889; most recently modified version published online March 2021). < n.a1400 |
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