Intermediate Terraces

Light gray to orange-brown clay, sandy clay, and silt; much sand and gravel locally.
State Louisiana
Name Intermediate Terraces
Geologic age Pleistocene
Lithologic constituents
Major
Unconsolidated > Fine-detrital > Clay (Terrace-stream)
Unconsolidated > Fine-detrital > Silt (Terrace-stream)
Minor
Unconsolidated > Coarse-detrital > Gravel (Terrace-stream)
Unconsolidated > Coarse-detrital > Sand (Terrace-stream)
Comments Surfaces show more dissection and are topographically higher than the Prairie. Composed of terraces formerly designated as Montgomery, Irene, and most of the Bentley.
References

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

NGMDB product
Counties Allen - Beauregard - Bienville - Bossier - Calcasieu - Caldwell - Catahoula - De Soto - Evangeline - Grant - Jefferson Davis - La Salle - Livingston - Natchitoches - Rapides - Red River - Sabine - Saint Helena - Tangipahoa - Union - Vernon - Webster - Winn