Vicksburg Group (undifferentiated) (LAOGv;0)

Vicksburg Group (undifferentiated)

Brown to gray liginitic clays with thin interbeds of lignite or micaceous sands; calcareous shale, petrified wood, and bluish fossilferous clay locally.

State	Louisiana
Name	Vicksburg Group (undifferentiated)
Geologic age	Oligocene
Lithologic constituents	Major Unconsolidated > Coarse-detrital > Sand (Bed) Unconsolidated > Fine-detrital > Clay (Bed) Sedimentary > Coal > Lignite (Bed) Minor Sedimentary > Clastic > Mudstone > Shale (Calcareous)
References	Snead, J.I., and Mcculloh, R.P., 1984, Geologic Map of Louisiana: Louisiana Geological Survey, scale 1:500,000.
NGMDB product	NGMDB product page for 39755
Counties	Catahoula - Grant - La Salle - Natchitoches - Sabine - Vernon

Vicksburg Group (undifferentiated)

Snead, J.I., and Mcculloh, R.P., 1984, Geologic Map of Louisiana: Louisiana Geological Survey, scale 1:500,000.