Ultramafic rocks undifferentiated (GAum;3)

State	Georgia
Name	Ultramafic rocks undifferentiated
Geologic age	Precambrian-Paleozoic
Original map label	um
Primary rock type	ultramafic intrusive rock
Secondary rock type
Other rock types
Lithologic constituents	Major Igneous > Plutonic > Ultramafic
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.
Geographic coverage	Baldwin - Barrow - Bartow - Cherokee - Clayton - Cobb - Columbia - Coweta - Crawford - DeKalb - Elbert - Fayette - Fulton - Greene - Habersham - Hancock - Heard - Henry - Jasper - Lincoln - Lumpkin - Morgan - Murray - Paulding - Putnam - Rabun - Taliaferro - Union - White - Wilkes