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Lithologic classification of geologic map units
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Unconsolidated material
Alluvium
A general term for clay, silt, sand, gravel or similar unconsolidated detrital material, deposited during comparatively recent geologic time by a stream or other body of running water, as a sorted or semi-sorted sediment...
Subtopics
Alluvial fan
Alluvial terrace
Delta
Flood plain
Levee
See also