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Dough Hills Member

gray to yellow silty clays; light gray calcareous clays which may weather to black soil; some siliceous silt and volcanic ash beds.
StateLouisiana
NameDough Hills Member
Geologic agePhanerozoic | Cenozoic | Tertiary | Miocene
Original map labelMfd
CommentsMember of the Fleming FM.
Primary rock typeclay or mud
Secondary rock typesilt
Other rock typesvolcanic ash
Lithologic constituents
Major
Unconsolidated > Fine-detrital > Clay (Bed)
Minor
Igneous > Volcanic (Pyroclastic, air fall)
Unconsolidated > Fine-detrital > Silt (Bed)
Map references
United States Geological Survey, 1998, Digital Overlay of the Geologic Map of Louisiana: U.S. Geological Survey, Biological Resources Division, National Wetlands Research Center, Product Id USGS-NWRC 1984-02-0001, http://www.nwrc.usgs.gov/.
Unit references
United States Geological Survey, 1998, Digital Overlay of the Geologic Map of Louisiana: U.S. Geological Survey, Biological Resources Division, National Wetlands Research Center, Product Id USGS-NWRC 1984-02-0001, http://www.nwrc.usgs.gov/.
Geographic coverageRapides - Vernon

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