U^ississippian, Appalachian valley, and 



"^1 the same line Indicate supposed equivalence in age only. 



ames of those deposited when the Mississippian 

 an^ed for formations deposited in Atlantic waters 

 tha 





ROVING K 









GENERALIZED TIME SCALE FOB 







EASTERN NORTH AMERICA 



■hi 





Sknnnemnnk basin 





Ca 





Land 



Carbonic 



Ch 



Skunnemunk 



Chemung 



Po; 





Portage 



Ge 





^Bellvale 



1 



Genesee 



Tu 





Tully 



Ha 





j Monroe 



Hamilton 



Ma 





J 



Marcellus 



On 





1 

 >Land 



Onondaga 



Scl 



J 



Schoharie 



De 



Esopus 



Decewville aud Esopus 



Up 



i Oriskanian 



Upper Oriskany 

 Loiver Oriskany 





> Helderhergian 



Kingston 



1 



Beci-aft 

 New Scotland 





J 



Coeymans 



Ma 



1 



Manlius 



La 

 Kod. 



i> ? Laud 



1 



j Decker Ferry 

 \ Rondont 



Sal 



J 



j Salina 



Gn 



) 



Guelph 



Loat 

 Eo 



1 



} Longwood 



Loekport 

 Rochester 



Cli 





Clinton 



Me 

 On 



[■ Green Pond 



Medina 

 Oneida 



La 



Land 



Land 



Ri| 





1 



! 



Richmond 



L{^ 



Laud 



Lorraine 



FT) 



: 



Frankfort 



UT} 



UTICA 





a 



Upper Trenton 



Tri 



Xormanskill 







Lower Trenton 



Bis 



eg 



Black river 



Lo 



Lowville 



St( 



r2 



O 



Stoues river and CJiazy 



BE 





BEEKMANTOWN 



PO 



J, 



POTSDAM 



Lo 



V 



Lower St Croix 



La 



GEORGIA 



GEORGIA 



La 





VERMONT 



