Subaqueous fan

A subaqueous fan is a fan-shaped deposit formed beneath water (similar to deltas or terrestrial alluvial fans), and are commonly related to glaciers[1] and crater lakes.[2]

Subaqueous fan deposits are generally described as coarse to fine gravel and/or sand, with variable texture and sorting. Underflows (meltwater denser than lake water) tends to produce subaqueous fans with channels and levees.[3]

References

Russell, H.A.J.; Arnott, R.W.C. (2003). "Hydraulic-jump and hyperconcentrated-flow deposits of a glacigenic subaqueous fan: Oak Ridges Moraine, southern Ontario, Canada". Journal of Sedimentary Research. 73 (6): 887–905. Bibcode:2003JSedR..73..887R. doi:10.1306/041103730887.
White, James D. L. (1992). "Pliocene subaqueous fans and Gilbert-type deltas in maar crater lakes, Hopi Buttes, Navajo Nation (Arizona), USA". Sedimentology. 39 (5): 931–946. Bibcode:1992Sedim..39..931W. doi:10.1111/j.1365-3091.1992.tb02160.x.
Huddart, David; Stott, Tim (2013). Earth Environments: Past, Present and Future. John Wiley & Sons. ISBN 978-1-118-68812-0.

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[1] Russell, H.A.J.; Arnott, R.W.C. (2003). "Hydraulic-jump and hyperconcentrated-flow deposits of a glacigenic subaqueous fan: Oak Ridges Moraine, southern Ontario, Canada". Journal of Sedimentary Research. 73 (6): 887–905. Bibcode:2003JSedR..73..887R. doi:10.1306/041103730887.

[2] White, James D. L. (1992). "Pliocene subaqueous fans and Gilbert-type deltas in maar crater lakes, Hopi Buttes, Navajo Nation (Arizona), USA". Sedimentology. 39 (5): 931–946. Bibcode:1992Sedim..39..931W. doi:10.1111/j.1365-3091.1992.tb02160.x.

[3] Huddart, David; Stott, Tim (2013). Earth Environments: Past, Present and Future. John Wiley & Sons. ISBN 978-1-118-68812-0.