352 The American Geologist. December, i904, 
in which the Blacklick Stone Company has opened during the 
last two years a somewhat extensive quarry. This quarry is 
but a few rods below the railroad bridge and furnished the 
following detailed section : 
Total 
No. Thickness, thickness. 
14. Mainly covered, but occasional layers of sand- 15' 61' 
stone shown in run to the northeast of the 
quarry for 15 feet above its top. No indi- 
cation of black shale in run. 
13. Three layers of buff sandstone alternating with 2'2" 46'+ 
shale and extending to the top of the quarry 
bank. 
12. Yellowish-gray shale, 3 to 4 inches in thick- 0*3" 43'ii'' 
nesiS. 
II. Probably top of the Buena Vista member. 12" 43'8" 
Buff, friable sandstone similar to lower thick 
stratum. 
10. Shale parting. o'l'V 42'6" 
9. Buff sandstone appearing as a massive stratum 5' 42'^" 
which splits into thin layers on the weath- 
ered surface; somewhat friable. 
8. Partly bluish shale and in part buff, rather 6'8" 37'5" 
thin bedded sandstone. 
7. Grayish, compact massive sandstone. 
6. Blue shale. 
5. Gray massive sandstone. 
4. Mainly bluish shale with some rusty, thin 
sandstone. 
3. Buff, compact sandstone. 
2. Layers of bluish-gray to gray sandstone, 16 
inches and thinner, alternating with bluish 
shales. Some of the sandstones are consid- 
erably iron-stained or rusty in color. Present 
floor of quarry. 
I. Partly covered. Buff sandstone at the base in 8'+ 8' 
bed of stream which is apparently the one just 
above the shale zone near the base of the 
Cuyahoga formation, or No. 8 of the section 
farther down the creek. At this point 
below the sandstone is about 3 inches of 
bluish shale below which is a thin some- 
what concretionary sandstone similar to No. 
6 of the lower section. 
Creek bed. 
If to the above section of sixty-one feet the ten foot zone of 
shale with thin layers of sandstone, at the base of the Cuyahoga 
2 I 
309 
I'l" 
28'8" 
I'l" 
27'7" 
3' 10" 
28'6" 
I '10" 
24'8" 
1 4' 10" 
22' 10' 
