Terrace Deposits (SDQt;0)

State	South Dakota
Name	Terrace Deposits
Geologic age	Phanerozoic \| Cenozoic \| Quaternary
Original map label	Qt
Primary rock type	clay or mud
Secondary rock type	silt
Other rock types	sand; gravel
Lithologic constituents	Major Unconsolidated > Coarse-detrital > Boulders (Terrace, stream) Unconsolidated > Coarse-detrital > Gravel (Terrace, stream) Unconsolidated > Coarse-detrital > Sand (Terrace, stream) Unconsolidated > Fine-detrital > Silt (Terrace, stream) Unconsolidated > Fine-detrital > Clay (Terrace, stream)
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 coverage	Bennett - Brule - Buffalo - Butte - Corson - Custer - Dewey - Fall River - Gregory - Haakon - Harding - Jackson - Jones - Lawrence - Lyman - Meade - Mellette - Pennington - Perkins - Shannon - Stanley - Todd - Tripp - Ziebach