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Mineral Resources On-Line Spatial Data

Glacial Sediment-Glacial Sediment Draped Over Pre-existing Topography

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-Glacial Sediment Draped Over Pre-existing Topography
Geologic agePhanerozoic | Cenozoic | Quaternary | Pleistocene Holocene
Original map labelQcdn
CommentsGlacial Sediment Draped Over Pre-existing Topography-Thin glacial sediment draped over and only slightly modifying the non-glacial topography existing before the last glacial advance.
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 coverageBurke - Burleigh - Divide - Dunn - Emmons - Kidder - Logan - McIntosh - McKenzie - McLean - Mercer - Morton - Mountrail - Oliver - Ward - Williams

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