KNOX COUNTY. 



General Section of the Eocks os' Knox County. 



Covered debris of cherty limestone . 

 I , I T--\ Bench and springs, coal horizon. 



335 



Ft. 

 lis 



I. I I . I 1.1.1 



liffiJHiasEiEsijas^^MWj 



Sandstone '. 40 



Course conglomerate J to li 



Irregnlarly bedded sandstone 3 to 4 



Coal Ij to 2 



Black shale 



Coal^ ontcrop, and fire-clay. 



Shaly sandstone 



BlaoK shale 



Coal, ontcrop, and fire-clay. 

 Sandy shale. 



45 



30 

 10 



10 



Conglomerate to 15 



Coal Measures 255 to 372 



g =sgs^i:^^= : =^^:^^ ga Olive shalee of 'Waverly 200 to 250 



' I 1^ —r- 



II II I I I — 



'I I I ' i zjr 



'I ' C 



^1 — r 



III 1 [ 1 I 



' 'I II I L 



I. I J I I _J.. 



_ ' I i_|^ I i__L Jg 



"Waverly Conglomerate 50 to 100 



Waverly Conglomerate, with bands of argillaoeona shale. , 

 Fine grained micaceous sandstone 



Argillaceous shales, with silicious bands 



Fine bluish sandstone, upper part with bands of shale, lower with 

 quartz pebbles 



Argillaceous shales, with silicious bands , 



Yery fine blue sandstone, with argillaceous bands — local. 

 Argillaceous shale, with hard blue silicious bands 



Fine dart sandstone, lighter at bottom 



Red or chooolate shales, with blue argillaceons bands at bottom.. 



30 

 1| 

 41i 



22 



125 



20 



115 



84 



' ' 'I I I L^L 



■I I- I I ' I 



1—1 I I L-J--L 



-1 1 I I -J .> 



Blue argillaceons shales, with hard silicions bands— Erie . 



539 



Huron Bba.e. 



Total thickness o£ rooks e^osed or penetrated . . . 



Interval botween coal-measures and Huron shales. 



I82t 



