GEOLOGY AND PALEONTOLOGY OF THE SCHOHARIE VALLEY 



179 



The relationship here suggested is shown in the following 

 diagram [fig. 91]. 



J3k Cewl/il/e . 



:sufpiio 



Fig. 94 Diagram of the relationship of the Champlalnic, Siluric and early Devonlc 

 strata of New York. a=Beekmantown, a'=Deep kill shales, /)=Black rlver-Ti-enton, 

 &'=Normanskil] shale, c=Utica shale, d, cZ'=Lorraine, e, 6'=0neida-Shawangunk trans- 

 gressional conglomerate, /^Medina shales, r/=Medina sandstones, /)=Clinton-Nlagara, 

 t=Salina-Bertie-Rosendale, ,/=Cobleskill-Rondout, 7f=Manlius, /=Coeymans. 77i=New 

 Scotland, ?i=Becraft, o=PortEwen, p=0riskany, p'=Decewville, fi=Esopus, r=Scho- 

 harie grit, r'=Schoharie shale, s, s'=Onondaga limestone 



