AGE: 

 in 10 6 

 Years 



GEOLOGIC TIME UNITS 



Eras 



Epochs 



IDEALIZED GEOLOGIC COLUMN 

 for North Carolina 



•N 



0.01 



1.8 



5.3 



23.7 



36.6 



57.8 



66.4 



97.5 

 210 



550 

 620 



Cenozoic 



Mesozoic 



Paleozoic 



Precambrian 



Holocene 



Undivided Surficial Deposits 



Pleistocene 



z 



Waccamaw Form. 



Pliocene 



Miocene 



Oligocene 



Duplin Formation 



s 



Flanner Beach Form. 



Eocene 



2LJ 



Yorktown Formation 



Pungo 



River Formation 



Castle Hayne Formation 



Paleocene 



— r 



Pee Dee Formation 



Cretaceous 



Cape 



Fear Formation 



Triassic 



Cambrian 



Eocambrian 



COASTWATCH 1 3 



