EURYPTERUS SHALES OF THE SHAWANGUNK MOUNTAINS 299 



Section of the Shawangunk series in ascending order 



Erie Railroad cut )/$ mile west of Qtisville 



I2g ft of " Hudson River " shale with interbedded thin layers of 

 sandstone 



Unconformity 



SHAWANGUNK SERIES 



12' conglomerate 

 2" shale 

 8' conglomerate 

 2" shale 

 1' conglomerate 

 2" shale 



16' 8" conglomerate 

 2" shale 

 6' 10" grit 

 6" shale 

 2' 10" grit 



6" shale, thinning out rapidly 

 13' 5" g"t 

 2" shale 

 5' g"t 

 4" shale 

 7' grit 



1' shale becoming thicker at top of cut 

 41' grit 



50' (estimated) of grit not exposed between top of railroad cut- 

 section and base of quarry section 



Erie Railroad quarry V3 mile -west of Otisville 



101' grit 

 5" shale 

 3' 6" c:rit 

 2" shale 

 2' grit 

 2" shale 

 7' 6" grit 

 2" shale 

 12' qrit 

 8" shale 

 3' grit 

 10" shale 

 iy r 2" grit 



