Delta Plain, Fresh Marsh (LAQdf;0)

State	Louisiana
Name	Delta Plain, Fresh Marsh
Geologic age	Phanerozoic \| Cenozoic \| Quaternary \| Holocene
Original map label	Qdf
Comments	Area of active and abandoned delta lobes of the Mississippi River.
Primary rock type	clay or mud
Secondary rock type	peat
Other rock types
Lithologic constituents	Major Unconsolidated > Fine-detrital > Clay Minor Unconsolidated > Peat
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/. [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/. [http://www.nwrc.usgs.gov/.]
Geographic coverage	Iberia - Jefferson - Lafourche - Plaquemines - Saint Bernard - Saint Charles - Saint John the Baptist - Saint Mary - Saint Tammany - Tangipahoa - Terrebonne