Handbook of Paleontology 



191 



Table i — Continued 



Geologic time scale for New York State 



Era or 

 Group 



Major 

 Divisions 



Period or 

 System 



Epoch or 

 Series 



Age or Stage 





Early 

 Paleozoic 



Silurian 



or 

 Ontarian 



a 



a 



Cayugari 



Manlius limestone 





Rondout waterlime 





Cobleskill limestone 





Salina beds 





^ 



s 



Niagaran 



Lockport dolomite (incl. 

 Guelph dolomite) 





Clinton beds (incl. 

 Rochester shale at topi 

 Oneida conglomerate at 

 base) 





1 



►J 



Medinan 



Upper Medina beds 





Queenston shale 





Ordovician 



or 



Champlainian 



a) 



a 



ft 



Cincinnatian 



Oswego sandstone 





Pulaski shale 





Frankfort shale 



o 



Utica shale 



s 



-a 

 2 



Mohawkian 



Trenton beds 



i 



Black River beds (incl 

 Lowville limestone) 





3 



C hazy an 



Chazy limestones 

 (Normanskill shale of 

 Chazy age) 





Canadian 

 {Uirich 1911) 





{Canadian series 



of authors; with 



Chazyan - Lower 



Ordovician) 



Beekmantown limestones 

 (Deepkill shale of same 

 age) 





Tribes Hill limestone 

 (Schaghticoke shale in 

 east) 





Ozarkian 

 ( Uirich jqjj) 



1 

 

 ►J 



Ozarkian 



(Saratogan) 



= Uppermost 



Cambrian 



of authors 



Little Falls dolomite 





Hoyt limestone 





Theresa sandstone 





Potsdam sandstone 





Cambrian 



or 

 Taconian 



t3 



ii 



2 



Acadian 



Stissing limestone 





Taconian 

 (Georgian) 



Georgia beds 





Poughquag quartzite 



Pre 



cambrian 







Grenville serie 



5 



