Midway Group (undifferentiated)

Dark gray to black shale
State Louisiana
Name Midway Group (undifferentiated)
Geologic age Paleocene
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale > Black-shale (Bed)
Comments Only at surface in northwest Caddo Parish and at Prothro and Rayburns salt domes in Bienville Parish.
References

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

NGMDB product
Counties Bienville - Caddo