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

Glacial Sediment- Collapsed 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- Collapsed Glacial Sediment
Geologic agePhanerozoic | Cenozoic | Quaternary | Pleistocene Holocene
Original map labelQcch
CommentsCollapsed Glacial Sediment-Hilly- 8 to 15 degree maximum slope angles. Supraglacial sediment with hummocky topography; local relief (in meters) and maximum slope angles (in degrees) are approximately equal to the thickness of supraglacial sediment (in meters).
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 - Burke - Burleigh - Dickey - Divide - Foster - Kidder - Logan - McHenry - McIntosh - McLean - Mountrail - Rolette - Sheridan - Stutsman - Ward - Wells

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