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Golden Valley Formation

Upper member: Yellow-brown micaceous sandstone, sand, silt, and clay; fluvial sediment; as thick as 60 meters (200 feet). Lower member: White or yellow clay, silt, and sand; a weatering zone developed on underlying unit; as thick as 20 meters (65 feet).
StateNorth Dakota
NameGolden Valley Formation
Geologic agePhanerozoic | Cenozoic | Tertiary | Paleocene Eocene
Original map labelTg
Primary rock typesandstone
Secondary rock typeclay or mud
Other rock typessilt; sand
Lithologic constituents
Major
Unconsolidated > Coarse-detrital > Sand (Bed)
Unconsolidated > Fine-detrital > Silt (Bed)
Unconsolidated > Fine-detrital > Clay (Bed)
Sedimentary > Clastic > Sandstone (Bed)
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 coverageBillings - Dunn - Grant - Hettinger - McKenzie - Mercer - Morton - Mountrail - Oliver - Slope - Stark

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