漂砾

漂砾()是和周边石料相比形状和材质截然不同的天然石块,小则数厘米,大可达数米甚至数十米。其成因是冰川的活动,故又称冰川漂砾英語:)。冰川的搬运能力相当强,一些漂砾甚至被搬运到千百公里之外。[1]加拿大阿尔伯塔奥克托克斯的巨型漂砾,重达1.5万吨。

参考文献

  1. Bard, Edouard. . Comptes Rendus Geosciences -- External Geophysics, Climate and Environment (Climate) (Copyright © 2004 Académie des sciences. Published by Éditions scientifiques et médicales Elsevier SAS.). June 2004, 336 (7–8): 603–638 [14 December 2009]. Bibcode:2004CRGeo.336..603B. doi:10.1016/j.crte.2004.02.005.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.