TrekGEO > Geology of Japan > Sedimentary facies > Submarine fan (Passive continental margin)

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Submarine fan (Passive continental margin)

Deep sea


A sedimentary system composed of a series of sedimentary facies of the submarine fan at the continenal margin. Submarine fans are directly connected to abyssal plains, whereas submarine fans at forearc basins are at the middle of trench slopes. Submarine fan is a variety of alluvial fan. Two classifications are proposed: sandy radial fan type and muddy channel levee type.

Submarine fan (Passive continental margin)

Schematic diagram of submarine fan at the passive continental margin.

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