龟背条痕石

冰碛石在冰床上被推移、拖曳,长期受阻时冰流从它上部推磨,久而久之该冰碛石底面平坦,顶部成龟背状,微上隆,迎冰流来向一端形如犁头,顺冰流一端展宽且有断口。龟背迎冰流部位多擦痕。龟背条痕石形成于滞碛中,是冰川作用的重要证据。

Concept & Semantic
  45

Alias

龟背条痕石

Contributor

contributed at 2011-12-23

Classification(s)

Earth System(in Chinese)Glacial geology

Detailed Description

English
Name septarium,septarian nodule
Chinese
Name 龟背条痕石
Description 冰碛石在冰床上被推移、拖曳,长期受阻时冰流从它上部推磨,久而久之该冰碛石底面平坦,顶部成龟背状,微上隆,迎冰流来向一端形如犁头,顺冰流一端展宽且有断口。龟背迎冰流部位多擦痕。龟背条痕石形成于滞碛中,是冰川作用的重要证据。

How to Cite

NNU_Group (2011). 龟背条痕石, Concept & Semantic, OpenGMS, https://geomodeling.njnu.edu.cn/repository/concept/07148454-3f59-413f-8468-4a5f96d0a116
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Contributor

contributed at 2011-12-23

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