Nw BM 
TEEN SON BORYV) SHLALE OP OALO 301 
Fic. 6.—Contact of Berea grit and Sunbury shale in Goodale quarry, Chagrin 
Falls, indicated by the man’s hand. 
SECTION ON MAHONING RIVER ABOVE WARREN. 
Total 
Thickness Thickness 
feet. feet. 
Soil and clay - - - - = : - = 
Sandy layers to sandstone - - - - - - - 
Bluish-gray compact sandstone. Base of Cuyahoga formation 3 1634 
Top of shale rather impure and sandy, perhaps in places 1 foot 
of sandy shale at top. Black to brownish-black shale, some of 
it very black and compact, in lithologic characters similar to the 
Sunbury shale. The lower part of the shale contains immense 
numbers of Lzzgula melie Hall and a smaller number of speci- 
mens of another species of Zzzgzla. Sunbury shale - - - 14 16 
Top of Berea sandstone. Fairly fine-grained, very uneven 
bedded sandstone, which contains a large quantity of iron 
pyrites. A little below, in thinner layers, are numerous ripple 
marks. ‘The sandstone appears above water on the arch of a 
small anticlina] fold. At the time it was studied the upper 2 
feet of the formation was exposed, while on the river bank, both 
above and below this locality, the Sunbury black shale runs 
down to water level - - - - . - - =a Disk 2 
On the same bank of the river about 1% mile below the 
