alluvial plain

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alluvial plain

[ə′lüv·ē·əl ′plān]
(geology)
A plain formed from the deposition of alluvium usually adjacent to a river that periodically overflows. Also known as aggraded valley plain; river plain; wash plain; waste plain.
References in periodicals archive ?
Under the heading "Future Developments", the poster notes "The Indian River alluvial terraces represent a previously unrecognized, undervalued resource, with significant economic values of gold.