... As the sand moves, the grains become rounded and polished, and often develop small, irregular holes or grooves on their surface, or an overall frosted appearance. These are good indicators for identifying aeolian sand. *Some of the terminology that refers to "Star Dune" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 砂が移動する過程で,砂粒は丸く磨かれ,またその表面に小さく不規則な孔や溝が生じたり,全体にすりガラス状になるなどの表面の特徴を呈することが多く,風成砂を見分けるとき,よい示標となる。 ※「star dune」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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