GEOLOGY AND PALEONTOLOGY OF THE SCHOHARIE VALLEY 179 



The relationship here suggested is shown in the following 

 diagram [fig. 94]. 



a' 6' C 



Fig'. 9i Diagram of the relationship of the Champlainic. Siluric and early Devonic 

 strata of New York. a=Beekmantown, «'=Deep kill shales, 7>=Black river-Trenton, 

 £>'=Normanskill shale, c=Utica shale, d, d'=Lorraine, e, e'=Oneida-Shawangunk trans- 

 gressional conglomerate, /—Medina shales. r/=Medina sandstones, ft=Clmton-Niagara, 

 f'=Salina-Bertie-Rosendale, ./=Cobleskill-Rondont, /f=Maulius, 7=Coeymans. »i=New 

 Scotland, /i=Becraft, o=Port Ewen, p=Oriskany. p'=Decewville. c/=Esopus, r=Scho- 

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



