cross ripple mark 中文意思是什麼
cross ripple mark
解釋
交錯波痕-
Hexagonal cross - ripple mark
六方交錯波痕 -
The dark - gray traction current deposits belong to internal - tide deposits, it develops sandstones and siltsands, and charactered with lenticular, wave, flaser bedding, bimodal cross - bedding and ripple mark
深水牽引流沉積為內潮汐沉積類型,巖性為細砂巖、粉砂巖,以發育透鏡狀、波狀、脈狀層理、雙向交錯層理、波痕等沉積構造為特徵。
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