Asliburncr.J 56'Z [Feb. lU, 



Clinton lower olive shale 660' 



10. Yellow, gray and green, argillaceous shale weather- 

 ing olive and claret color, near the lower part the sur- 

 faces of the shale are stained with iron and bituuiinous 



matter GOO' 



9. Same as No. 10. Lower part containing soft olive shale, 

 showing impressions of crinoid stems (Three Springs), and 

 red shale i^Kockhill), containing by analysis 4.29 per cent. (>f 

 metallic iron GO' 



No. IV. 



Medina {Levant) Sandstone 1330' 



8. Massive, white and light gray, fine-grained, hard sand- 

 stone alternating near its upper limit with beds of red and 



'.greenish shale. Contains Arthrop7u/cus hnrlnni 400' 



7. Soft, argillaceous brown and red sandstone and shale, the 

 sandstone in the central part softer, and more friable and con- 

 tains specks of ferruginous matter 930' 



Oneida {Levant) Sandstone 568' 



6. Red and greenish gray, silicious breccia and conglomerate. 158' 

 5. Hard, massive, greenish sandstone and gray conglomerate. 410' 



No. III. 



Hudson River (Matinal) Shale 1870 



4. Brown and bluish -gray shales and sandy slates, contain- 

 ing especially in upper part beds of argillaceous sandstone. A 

 reddish-gray shale in upper portion contains crinoid stems. . . 800' zh 



Utica {Matinal) Slates. 



8. Brown, brownish -gray and black fissile slate, parts very 

 carbonaceous, toward lower part becomes slightly calcareous. 1070' =f 



No. II. 



Trenton (Matinal) Limestone. 



2. D.irk blue and l)luish-gray, soft, argillaceous limestone, 

 alternating with blue, calcareous shale particularly toward its 

 upper limit. 500' (?) 



Oaleiferous {Auroral) Magnesian Limestone. 



1. Massive, light bluish-gray, magnesian limestone. Upper 

 part only exposed, lower horizon below surface of erosion. . . . 



No. I. 

 Potsdam Sandsto7i(' heloir the present surface. 



