| 单词 | papa rock |
| 释义 | > as lemmaspapa rock A relatively soft, calcareous rock or clay, esp. a bluish clay found in the North Island of New Zealand. Also papa rock. ΘΚΠ the world > the earth > structure of the earth > constituent materials > clay > [noun] > other clays red clayc1475 urry1669 blae1724 cat-dirt1747 iron clay1750 till1762 mulatto clay1788 oak-tree clay1794 porcelain jasper1794 porcellanite1794 Karoo ground1836 plinthite1836 papa1851 Bradford clay1858 Indianaite1868 sinopite1868 hydrobiotite1881 pampas-clay1885 byon1892 potato clay1896 bentonite1898 quick clay1901 gumbotil1916 1851 E. Shortland Southern Districts N.Z. 311 Papa, a hard sandstone found in thin slabs, used as a saw to cut the ‘pounamu’. 1873 J. H. H. St. John Pakeha Rambles through Maori Lands xi. 183 We descended a steep slide into..a river with a bed of papa rock. 1935 R. O. Buchanan Pastoral Industries N.Z. (Inst. Brit. Geographers) 32 Papa varies in character from a clayey limestone to a calcareous clay. 1949 F. Sargeson I saw in my Dream ii. xiii. 128 Nearly all the soil had slipped away and left only great faces of papa. 1973 C. Wheeler Historic Sheep Stations N. Island 11 In the East Coast papa soils, selecting a fenceline is a serious job. 1990 Dominion Sunday Times (Wellington, N.Z.) 23 Sept. 22 Papa is slippery stuff. On the East Coast it causes hillslides to slide into the valleys. < as lemmas |
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