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词汇 ripple mark
分类 英语词汇 英语翻译词典
释义

ripple mark

英汉-汉英词典
n. 波痕
词组 | 习惯用语
您要查找的是不是：
    catenary ripple mark 悬链状波痕
    aeolian ripple marks 风成波痕
    interference ripple mark 干涉波痕
    backwash ripple mark 回流波痕
    accretion ripple mark 加积波痕
ripple mark [地质] 波痕
ripple marks [地质] 波痕；波纹
linguoid ripple mark 舌形波痕，舌状波痕
starved ripple mark 不完全波痕
英语百科

Ripple marks

Ancient wave ripple marks in sandstone, Moenkopi Formation, Capitol Reef National Park, Utah
Wave/symmetrical ripple, Nomgon, Mongolia
Cross-section through asymmetric climbing ripples, seen in the Zanskar Gorge, Ladakh, NW Indian Himalaya. Ripples climb when sediment fluxes in the flow are very high.
Ripple marks in Cretaceous Dakota Formation, east side of Dinosaur Ridge. Scale bar on notebook is 10 cm.

In geology, ripple marks are sedimentary structures (i.e. bedforms of the lower flow regime) and indicate agitation by water (current or waves) or wind.

近义、反义、联想词
近义词
n.
ridge

英英词典
ripple mark n.
  1. one of a series of small ridges produced in sand by water currents or by wind
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