| 单词 | beach-rock |
| 释义 | > as lemmasbeach-rock beach-rock n. a conglomeration of calcareous beach sand cemented by chalk into rock formation, found on coral reefs. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > composite rock > [noun] > conglomerate > specific pinnel1766 grauwacke1794 unguilite1799 greywacke1805 yolky-stone1805 nagelfluh1808 coombe rock1822 pebble bed1849 breccia1856 ceppo1881 banket1886 ouklip1892 crush-conglomerate1893 basal conglomerate1900 calcrete1902 rudite1904 fanglomerate1912 beach-rock1919 1919 R. A. Daly in Carnegie Inst. Year Bk. 192 Cementation of beach sand by calcium carbonate is very common in..tropical seas generally. The product may be called ‘beach-rock’. 1940 Geogr. Jrnl. 95 30 On tropical beaches the sands, or even coarse shingle, are commonly cemented into a hard rock, called beach-rock or conglomerate, by carbonate of lime precipitated from sea-water. < as lemmas |
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