EURYPTERUS SHALES OF THE SHAWANGUNK MOUNTAINS 299 



Section of ths Shawangunk series in ascending order 



Erie Railroad cut J/3 mile zvest of Qtisville 



129 ft of " Hudson River " shale with interbedded thin la3'ers of 

 sandstone 



Unconformity 



SHAWANGUNK SERIES 



12' conglomerate 

 2" shale 

 8' conglomerate 

 2" si I ale 

 i' conglomerate 

 2" shale 



16' 8" conglomerate 

 2" shale 

 6' 10" grit 

 6" shale 

 2' 10" grit 



6" shale, thinning out rapidly 

 13' 5" grit 

 2" shale 

 5' grit 

 4" shale 

 7' grit 



i' shale hccoining 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 V^ mile ivest of OtisviUe 



10 1 ' grit 

 5" shale 

 3' 6" grit 

 2" shale 

 2' grit 

 2" shale 

 y' 6" grit 

 2" shale 

 12' grit 

 8" shale 

 3' grit 

 10" shale 

 17' 2" grit 



