Ashburner.] OoU [Feb. IG, 



talline limestone, wliile the lower part is made up principally 



of the latter 30' 



41. Massive, dark blue, crystulliue limestone 42' 



40. Massive, bluish-gray limestone, parts of "which are 

 characterized by a conclioidal fracture 20' 



39. Massive, brownish-gray, and blue, crystalline limestone 

 containing alternating beds of gray shale limestone 20' 



38. Massive, gray, crystalline and dark blue, argillaceous 

 limestone Avith occasional beds of light gray, shaly limestone 

 and lime shale. Contains: Acervulnria, Alveolites mini ma, 

 Alveolites, Astylospongia inornata, Meriata Iwvii, Orthis oblata, 

 Pentumerus galeatus, Rhynchonella formosa, Astyloapongia, 

 Airypa reticularis, Aulopora, Conophyllum, Merista arcuata, 

 tifromatopora, Trematosjiiiuc formosa, Zaphnntis 50' 



Water-lime (Scalcnt) Cement Beds 580' 



37. Partly concealed. Consisting for the most part of blue 

 and gray, thinly laminated, argillaceous limestone 150' 



36. More massive, bluish-gray, argillaceous limestone thinly 

 laminated. The massive strata have a conclioidal fracture. . . 110' 



35. Massive, dark gray and bluish-gray limi'Stone, surfaces 

 coated with carbonaceous matter and showing "slicken sides." 

 Also contains calcite with a marked cleavage. Lower part 

 contains impressions of fucoids and bivalve shells 30' 



34. Partly concealed. Similar to No. 35 but containing 

 lime shale 90' 



33. Massive bluish-gray limestone alternating with slaty 

 argillaceous limestone and green and yellow calcareous shale. 50' 



32. Partly concealed. Principally yellow and gray, argilla- 

 ceous lime shale CO' 



31. Gray and bluish-gray, slaty, argillaceous limestone and 

 shale 20' 



30. Thinly laminated, blue and yellow argillaceous lime- 

 atone alternating with gray lime shale 20' 



29. Brownish-gray and gray, slaty limestone containing 

 seams of calcite 30' 



28. Bluish-gray slaty limestone and lime shale 20' 



Onondaga (Salina) (Scalent) Marls 440' 



27. Yellow, brown, gray and green, argillaceous and calca- 

 reous shale 20' 



. 26. Partlj^ concealed. Composed principally of olive and 

 gray calcareous shale 50' 



25. Gray, shaly limestone alternating with olive, calcareous 

 sliale 100' 



24. Partly concealed. Composed for the most part of yellow 



p 



