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DEPOT CREVASSE [1 record]

Record 1 2011-12-12

English

Subject field(s)
  • Geomorphology and Geomorphogeny
DEF

[The] sediments deposited to the side of a delta through a break in a river or distributary channel levee.

CONT

As the rivers flow through these flooded wetlands, they deposit extensive levee and crevasse splay sediments along the length of the valley ... Tributaries flowing into the valley develop fluvial-fan deltas along the margins of the valley. As a result, the alluvial fill of these wide valleys consists of mixed coarsening upward deltaic and crevasse splay deposits interbedded with fining upward channel deposits as well as organic-rich shales and coals.

CONT

The third overbank deposit present within the study area is crevasse-splay sediment associated with the current Mississippi River channel.

OBS

crevasse-splay sediment: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Géomorphologie et géomorphogénie
OBS

dépôt de crevasse; dépôt alluvial de remplissage de crevasse : termes en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

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