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Glacial Sediment- Wave-Eroded Glacial Sediment

Unbedded, unsorted mixture of clay, silt, sand, and pebbles, and a few cobbles and boulders; as thick as 30 meters (100 feet)
StateNorth Dakota
NameGlacial Sediment- Wave-Eroded Glacial Sediment
Geologic agePhanerozoic | Cenozoic | Quaternary | Pleistocene Holocene
Original map labelQcew
CommentsWave-Eroded Glacial Sediment-Glacial sediment with flat to gently undulating topography resulting from wave erosion; covered by a thin gravel lag in places.
Primary rock typeclay or mud
Secondary rock typesilt
Other rock typessand; gravel
Lithologic constituents
Major
Unconsolidated > Coarse-detrital > Gravel (Glacial, outwash)
Unconsolidated > Coarse-detrital > Sand (Glacial, outwash)
Unconsolidated > Fine-detrital > Silt (Glacial, outwash)
Unconsolidated > Fine-detrital > Clay (Glacial, outwash)
Minor
Unconsolidated > Coarse-detrital > Boulders (Glacial, outwash)
Map references
Clayton, Lee, 1980, Geologic Map of North Dakota: U. S. Geological Survey, Scale 1:500K.
Unit references
Clayton, Lee, 1980, Geologic Map of North Dakota: U. S. Geological Survey, Scale 1:500K.
Geographic coverageBottineau - Cass - Cavalier - Grand Forks - Pembina - Ramsey - Renville - Richland - Steele - Towner - Traill - Walsh

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URL: http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=NDQcew;0
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