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point bar

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Definition of point bar in English:

noun

Geology
An alluvial deposit that forms by accretion inside an expanding loop of a river.
Example sentences
  • Sediment deposited on the inside of the bend forms a point bar.
  • Collinson also suggested that the units of low-angle cross-stratified conglomerate record either bar shifting within a braided system or the migration of a point bar in a gravel-bed meandering stream.
  • The high I.V. of boxelder in a point bar dominated by cottonwood is an example of such a combination.

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