68 



NEW YORK STATE MUSEUM 



Correlation table of the Cincinnatian and Upper Mohawkian groups of the Mohawk valley 



OHIO VALLEY 



Eden 



UPPER MOHAWK 

 VALLEY 



Frankfort shale 



Utica shale 



LOWER MOHAVv^K 

 VALLEY 



Indian Ladder shale 



PENNSYLVANIA- 

 NEW JERSEY 



J ) ) J i J 



Martinsburg shale 



Trenton 



Upper Trenton Is. 



Schenectady beds 



Middle Trenton Is. 



Lower Trenton Is. 



Canajoharie shale 



Basal Trenton Is. 



Glens Falls Is. 



Black River 



Amsterdam Is. 



Jacksonburg Is. 



Lowville Is. 



Lowville Is. 





Table of the Cincinnatian and Upper Mohawkian 



in the Mohawk 



valley 



o 



H 

 U 

 U 

 7) 



TRENTON FALLS- 

 UTICA 



DOLGEVILLE- 

 LITTLE FALLS 



CANAJOHARIE- 

 SHARON SPRINGS 



AMSTERDAM- 

 COBLESKILL 



SCHENECTADY- 

 INDIAN LADDER 



c 



Frankfort shale 



Frankfort shale 



Frankfort shale? 





Indian Ladder 

 beds 



y 

 C 



O 



Utica shale 



Utica shale 



? 







C 



Upper Trenton 

 limestone 





? 



Schenectady beds 



^ 

 ^ 



Middle Trenton 

 limestone 



" Utica shale " 





Dolgeville beds 



Canajoharie shale 



Lower Trenton 

 limestone 



Lower Trenton 

 limestone 





Basal Trenton Is. 



Basal Trenton Is. 



Glens Falls Is. 



Glens Falls Is. Glens Falls Is. 



