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Braided Stream Terraces

light gray, tan and brown fine to coarse sand; some clay silt and gravel. Overlain by 1-9 meters of loess.
State Louisiana
Name Braided Stream Terraces
Geologic age Phanerozoic | Cenozoic | Quaternary | Pleistocene
Comments Glacial outwash of ancestral Arkansas River. Where overlain by loess, this unit has a red dotted overlay pattern on the source map. Polygons for this unit in our coverage which should have the loess overlay pattern are designated by "-l" being added to the base map unit symbol.
Primary rock type sand
Secondary rock type clay or mud
Other rock types silt; gravel
Lithologic constituents
Map references
United States Geological Survey, 1998, Digital Overlay of the Geologic Map of Louisiana: U.S. Geological Survey, Biological Resources Division, National Wetlands Research Center, Product Id USGS-NWRC 1984-02-0001, http://www.nwrc.usgs.gov/.
Unit references
United States Geological Survey, 1998, Digital Overlay of the Geologic Map of Louisiana: U.S. Geological Survey, Biological Resources Division, National Wetlands Research Center, Product Id USGS-NWRC 1984-02-0001, http://www.nwrc.usgs.gov/.
Counties Catahoula - Franklin - Richland - West Carroll