PROFESSIONAL PAPER 81 PLATE 



North Atlantic 



(Parts of Maryland, Delaware, 



and New Jersey) 



Eocene 



Central Georgia 

 Eocene 



South Carolina 



e sand member 



1 





HI 



Eocene 



Providence sand member 



Cusseta sand member 



Peedee 

 sand 



ie sand member 



Black Creek 

 formation 



Absent 



Lower 

 Cretaceous 



Crystallines 



( Ripley formation 



• Eutaw formation 



Bgf ) Tuscaloosa formation 



North Carolina 



Eocene 



Middendorf arkose member 

 of Black Creek formation ^ 



Peedee 



sand 



Black Creek 

 formation 



Manasquan 



Rancocas 



Monmouth 

 2— 



Matawan 

 : fr 



t 

 Absent 



Absent 



Absent 



Lower 

 Cretaceous 





b 



Patuxent 

 formation 





Crystallines 





Crystallines 





Raritan 



Arundel 



Patuxent 



Crystallines 



Upper 

 Cretaceous 



Lower 

 Cretaceous 



LEGEND 



*Mmm 



Providence sand member 

 Selma chalk 



Cusseta sand member 



Ripley formation 



> Upper Cret-aceous 



. Lower Cretaceous 



