| State | Louisiana |
|---|---|
| Name | High Terraces |
| Geologic age | Pleistocene |
| Lithologic constituents |
Major
Unconsolidated > Fine-detrital > Clay (Terrace-stream)
Unconsolidated > Fine-detrital > Silt (Terrace-stream)
Unconsolidated > Coarse-detrital > Sand (Terrace-stream)
Minor
Unconsolidated > Coarse-detrital > Gravel (Terrace-stream)
|
| Comments | Surfaces are highly dissected and less continuous than lower terraces. Composed of terraces fomerly designated as Williana, Citronelle, and the highest 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 - Catahoula - Grant - La Salle - Natchitoches - Rapides - Red River - Sabine - Saint Helena - Saint Tammany - Tangipahoa - Vernon - Washington - Webster - Winn |