| 单词 | rock stream |
| 释义 | > as lemmasrock stream rock stream n. Physical Geography = rock glacier n. (cf. rock river n.). ΘΚΠ the world > the earth > structure of the earth > structural features > boulder, pebble, or stone formation > [noun] > rock glacier or stone river rockfall?1797 stone river1877 rock glacier1888 rock stream1905 stone run1906 rock river1920 1905 W. Cross Silverton Folio (U.S. Geol. Surv. Geol. Atlas of U.S. No. 120) 25/2 All the accumulations..just described impress one with the sense of motion... In the field they were spoken of as ‘rock-glaciers’ and upon the map receive the name ‘rock streams’. 1964 W. C. Putnam Geol. x. 238/1 (caption) A rock stream or rock glacier is composed of frost- and ice-shattered rock filled with interstitial ice which slowly moves downslope. 2003 Geomorphology 56 144/1 Rock streams are well developed within many Rapidan first-order tributaries. < as lemmas |
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