BEDFORD AND BEREA FORMATIONS IN CENTRAL OHIO 503 
Total 
No. Thickness Thickness 
Feet Feet 
2. Blue, arenaceous and argillaceous shales with thin 
layers of blue, hard, compact sandstone from 14 to 
2 in. thick. Several of the thin sandstone layers are 
ripple-marked. This zone is 3 ft. 103 in. thick and 
corresponds to No. 3 of the section on the southern 
Side winichwissspits LOM thiGk® nia. o.ss.12 ses ee os o's 3é¢+ set 
1. Blue, very hard, compact, calcareous sandstone, 
weathering to a dark brown and becoming rotten. 
It splits into two layers and 1 ft. 5 in. is shown to water 
level at the lower end of the bank. Ripple-marks 
occur. This zone corresponds to No. 2 on the other 
side of the run, where it is from 12 to 2 ft. thick. 
Streammbleviel\ioch deen Wes acess aes i eee Ties Teas 
Farther down the stream on the northern side is a considerably 
higher bank which was measured by Mr. Eugene Schmidt. 
LOWER SECTION ON NORTHERN BANK OF SOUTH BRANCH OF SPRUCE RUN 
Total 
No. Thickness Thickness 
; Feet Feet 
7. Berea sandsione-——Buff sandstones, the layers of 
Vad OUSatMiCKIMeSS rent ra sects ois ae aio tiecen te ee aa 363 
6. Rather massive, buff sandstone, the lower part with 
contorted or concretionary structure and the upper 
pPartawath) thinner layerse.sse6 occ cas cess beste 2 295 
5. Shale zone with some sandstone, 13 ft. thick; but in 
some) placesapparently thicker.) ).52..--..0.. ts 275 
4. Contorted or concretionary, buff sandstone zone 
with shale in middle. At the place measured 2+ ft. 
in thickness; but not so thick at all places on the bank. 
Irregular lower surface, forming the base of the 
Bere arsaMdstOme: aeweae, ir ccm ilnnie peering ae nC. 2+ 26 
3. Bedford formation—Blue shale with thin layers of 
SAMGSEONG Hy nal ce tee eee ae Mimi ements eee aes 33 24 + 
2. Blue, sandstone zone which on the edge splits into 
thin layers, with a thickness of 2 ft. or more. This 
apparently corresponds to zone No. 1 of the section 
farther up the run and No. 2 of the one on the 
Opposicesideroitherstream sey cere sie laine Q a 20% 
1. Blue, argillaceous and arenaceous shales with thin 
layers of blue sandstone from 1 to 4% in. thick. 
SEreamele viele ees cri, Pe tte nen tres, Dita cer eae 182 182 
