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

Outwash, Ice-walled

Heterogeneous sand and gravel of glaciofluvial orgin. Typically forms elevated, level terrain. Thickness up to 90 ft (27m).
StateSouth Dakota
NameOutwash, Ice-walled
Geologic agePhanerozoic | Cenozoic | Quaternary | Pleistocene [Upper Wisconsin]
Original map labelQloi
Primary rock typesand
Secondary rock typegravel
Other rock types
Lithologic constituents
Major
Unconsolidated > Coarse-detrital > Sand (Glacial, outwash)
Unconsolidated > Coarse-detrital > Gravel (Glacial, outwash)
Map references
Martin, J. E., Sawyer, J. F., Fahrenbach, M. D., Tomhave, D. W., and Schulz, L. D., 2004, Geologic Map of South Dakota: South Dakota Geological Survey
Unit references
Martin, J. E., Sawyer, J. F., Fahrenbach, M. D., Tomhave, D. W., and Schulz, L. D., 2004, Geologic Map of South Dakota: South Dakota Geological Survey
Geographic coverageMcPherson

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