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Carnahan Bayou Member

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Yellow to gray siltstones, sandstones, and clays with thin tuffaceous beds; some lenses of black chert gravel; petrified wood locally.
State Louisiana
Name Carnahan Bayou Member
Geologic age Miocene
Lithologic constituents
Major
Unconsolidated > Fine-detrital > Clay (Bed)
Sedimentary > Clastic > Sandstone (Bed)
Sedimentary > Clastic > Siltstone (Bed)
Incidental
Unconsolidated > Coarse-detrital > Gravelblack chert gravel
Comments Member of the Fleming FM.
Stratigraphic units Fleming Formation
References

Snead, J.I., and Mcculloh, R.P., 1984, Geologic Map of Louisiana: Louisiana Geological Survey, scale 1:500,000.
NGMDB product
Counties Grant - La Salle - Natchitoches - Rapides - Sabine - Vernon