Ripley Formation (GAKr;1)

State	Georgia
Name	Ripley Formation
Geologic age	Cretaceous
Original map label	Kr
Comments	Coastal Plain sedimentary rocks
Primary rock type	clay or mud
Secondary rock type	sand
Other rock types	limestone
Lithologic constituents	Major Unconsolidated > Coarse-detrital > Sand Unconsolidated > Fine-detrital > Clay Minor Sedimentary > Carbonate > Limestone Incidental Unconsolidated > Marl
Map references	Lawton, D.E., and others, 1976, Geologic Map of Georgia: Georgia Geological Survey, scale = 1:500,000.
Unit references	Lawton, D.E., and others, 1976, Geologic Map of Georgia: Georgia Geological Survey, scale = 1:500,000. USGS Geologic Names Lexicon (GEOLEX) [http://ngmdb.usgs.gov/Geolex/]
Geographic coverage	Bibb - Chattahoochee - Crawford - Houston - Macon - Marion - Peach - Quitman - Schley - Stewart - Taylor - Webster