| 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 |