| 单词 | basal conglomerate |
| 释义 | > as lemmasbasal conglomerate basal conglomerate n. Geology a conglomerate forming the lowest of a particular series of strata. 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 1900 Geol. Mag. 7 564 On the western shore of Ullswater..a good section has recently been exposed of the basal conglomerates variously ascribed to the Old Red or lowermost Carboniferous age. < as lemmas |
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