波痕(英語:ripple marks)是由於流體(水或風)的流動在沉積物表面形成的波狀起伏的構造。一般由沉積物表層的砂粒在遷移過程中形成在層面上的沙波。 波痕有三種:流水波痕(Current formed ripples):呈不對稱狀,波谷與波峰均較圓滑,陡坡傾向與流向一致[1] [2]浪成波痕(wave-formed ripples):對稱的浪或波痕,波峰尖、波谷圓滑[3]風成波痕(Wind-formed ripples):呈不對稱狀,波谷寬闊,波峰圓滑,陡坡傾向與風向一致[4]

Capitol Reef National Park猶他州

參考文獻

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