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Highstand shelf fans: The role of buoyancy reversal in the deposition of a new type of shelf sand body

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Steel, E., Simms, A.R., Warrick, J., and Yokoyama, Y., 2016, Highstand shelf fans: The role of buoyancy reversal in the deposition of a new type of shelf sand body: Geological Society of America Bulletin, Online First May 2016, doi: 10.1130/B31438.1.

Summary

Although sea-level highstands are typically associated with sediment-starved continental shelves, high sea level does not hinder major river floods. Turbidity currents generated by plunging of sediment-laden rivers at the fluvial-marine interface, known as hyperpycnal flows, allow for cross-shelf transport of suspended sand beyond the coastline. Hyperpycnal flows in southern California have deposited six subaqueous fans on the shelf of the northern Santa Barbara Channel in the Holocene. Using eight cores and nine grab samples, we describe the deposits, age, and stratigraphic architecture of two fans in the Santa Barbara Channel. Fan lobes have up to 3 m of relief and are composed of multiple hyperpycnite beds ∼5 cm to 40 cm thick. [...]

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Harvested on Wed Aug 31 04:23:24 MDT 2016 from MODS XML Service

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Type Scheme Key
local-index unknown 70175379
local-pk unknown 70175379
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.1130/B31438.1
series unknown Geological Society of America Bulletin

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journalGeological Society of America Bulletin
parts
typevolume
value128
typeissue
value11-12
languageEnglish
citationTypeArticle

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