40 



C. L. HERRICK — THE CUYAHOGA AND WAVERLY. 



Cuyahoga Valley and Bedford. 



Portsmouth. 





Thickness. 



Thickness. 



Carboniferous conglomerate 70 ft. 



Carboniferous conglomerate, fire- 







clay, or Chester limestone 



2-10 ft. 





Sandy freestone and reddish 





This 



sandstone, with Keokuk fos- 

 sils, Phillipsia jneratnecensis, 





entire 



etc 



35 ft. 





Yellow or grev freestone and 





series 



shales, with Burlington fos- 

 sils, Grenipecten crenistrintiis, 





IS 



Granimysia ovata, Spirifer 

 biplicdtus, Spirifer striatifor- 





absent 



mis^ Schizodus newarkensis. 200-215 ft. 





Massive freestone, usually with 





in the 



some bands of conglomerate ; 





Productus arcuatus (conglom- 







.arate 11) 



50 ft. 



northern 







Immediately below the conglom- 





tier of 



erate lie bluish or greenish and 

 very soft shales, with Prothyris 





counties 



meeki, Sayiguinolites obliquus, 







Allorisma winche.lli 



90 ft. 



to the 



Freestone representing the quarry 





base 



rock of central Ohio, contain- 





ing Crenipecten wi?ichelli^ etc_ 



20 ft. 





Shales of same series. 





of 



Freestone, the lower courses of 

 which represent conglomerate 





Conglomerate I. 



I of central Ohio ; variable in 







thickness; entire series 



70 ft. 



The fauna of this horizon is not 

 here represented. 



Cuyahoga shale, with Spirifer 

 ma^'ionensis^ Phaethonides spino- 

 sus, Proetus prcecursor, etc 50 ft. 



Concretions with same fauna. 



Shales 40 ft. 



Flags and shales, with Productus 

 newberryi, Allorisma cicyahoga, 

 Discina newberryi, etc 35 ft. 



Shales. 



50 ft. 



Shales, with Spirifer m.arionen- 

 sis, Phaethonides spi7iosus, and 

 many other fossils 50 ft. 



Flags 20 ft. 



Concretionary shales, with Pro- 

 ductus newberryi, Spirifer 

 m.arionensis, etc. Variable in 

 thickness. 



Flags of Buena Vista . 25 ft. 



Berea black shale .. 15 ft. 



Berea grit 



.. 45 ft. 



Flags, Berea grit 30-40 ft. 



Blue to green Bedford shale 



Flags „,._ 



Soft fossiliferous shale . 



._ 45 ft. 



_ 10 ft. 



- 25 ft. 

 .. 10 ft. 



Blue to green Bedford. 1 Thickness vari- 

 Eed Bedford / able. 



Flags 



Cleveland shale. 





