| 单词 | glacial sea |
| 释义 | > as lemmasglacial sea a. Geology. Characterized by the presence of ice. glacial epoch, glacial era, glacial period, a geological period during which it is supposed that the northern hemisphere was in great part covered by an ice-sheet. glacial sea: the sea of the glacial epoch.In America this period is also known as the drift epoch (see drift n. 10), ice-age, etc. ΘΚΠ the world > the earth > structure of the earth > age or period > [noun] > ice-age or glaciation ice time1841 boulder-period1845 glacial epoch1846 ice age1855 stage1895 little ice age1939 1846 E. Forbes in Mem. Geol. Surv. I. 363 The remarkable strata known under the names of ‘Boulder clay’, ‘Arctic or northern drift’..including (in part) the ‘Till’ deposits, which for convenience I shall henceforth mention as glacial, or as beds of the glacial epoch. 1851 T. Wright & G. F. Richardson Introd. Geol. (new ed.) viii. 211 The rhinoceros and elephant, which lived under the latitude of the glacial sea. 1853 J. Phillips Rivers, Mountains, & Sea-coast Yorks. iv. 124 For all Holderness was a sea-bed in the ‘glacial’ period. 1863 J. D. Dana Man. Geol. 541 The Drift epoch is usually called the Glacial epoch, under the idea that ice either in the form of icebergs or glaciers, was concerned in the transportation of the boulders, pebbles, and earth. 1873 J. W. Dawson Story Earth & Man xii. 283 The earlier Post~pliocene period of geology may be called the Glacial era. < as lemmas |
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