TrekGEO > Geology of Japan > Sedimentary facies > Sand wave

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Sand wave

Synonym

Tidal sand wave

Depth of water

Continental shelf

Circumstances

Large scale dunes at sea floors where strong tidal currents and oceanic currents are passing through such as straits. Very large ripples. Sand waves between Miyake island and Kozu island, Japan at a depth of 100 - 500 m are with the height of 500 m and the length of 14 m in maximum.

Sedimentary facies (Structures)

Long period cross statification inclined at approximately 30 degree.

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