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Mineral Resources > Online Spatial Data > Geology > by state > North Dakota

Glacial Sediment- River-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- River-Eroded Glacial Sediment
Geologic agePhanerozoic | Cenozoic | Quaternary | Pleistocene Holocene
Original map labelQcer
CommentsRiver-Eroded Glacial Sediment-Glacial sediment with flat to undulating topography resulting from stream erosion in the bottom of large melt-water channels;overlain by a thin layer of fluvial sediment of the Coleharbor or Oahe Formations in some 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 coverageBarnes - Burke - Cavalier - Foster - Pembina - Ransom - Renville - Richland - Sargent - Walsh

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