338 GEOLOGY OF ILLINOIS. 



JFEET. IN. 



10. Clay ahale 56 



11. Sandstone 15 



12. Coal 3 



] 3. Sandstone 5 



14. Coal 3 6 



15. Clay shale 5 4 



1 6. Sandstone ... 4 2 



17. Clay shale 5 



18. Limestone and chert 1 1 



19. Black slate 6 2 



20. Clayshale 14 7 



21. Sandstone, fine grained 31 



22. Black slate 4 8 



23. Coal 10 



24. Clayshale 6 1 



25. Sandstone ? 



212 2 



No. 14 is the coal seam worked at this shaft. The larger part of it furnishes 

 a very poor quality of coal, there being only about nine inches near the middle 

 of the seam that is good. The lower part of it contains considerable pyrite, the 

 " sulphur" of the miners, but by mixing the good with the poor, the whole is 

 made saleable. As the expenses of mining this coal are considerable, a high 

 price has to be charged for it, and at present there are no other coal mines 

 nearer Metamora than those opposite to Peoria, in Tazewell county. Should 

 another shaft, furnishing better coal, be opened in the vicinity, the working of 

 this would have to be abandoned. 



The fossils found in connection with this seam are, Ghonetes mesoloba, and 

 Khynclwnella Osagen&is. These are abundant, and fragments of others were 

 noticed. 



The journal of the shaft was obtained for this report by Dr. J. M. Clark, of 

 Metamora. A boring was made from No. 14 to No. 25, to learn if a better 

 seam could not be found. This part of the section was furnished me by the 

 foreman, Mr. Ai'ien. 



Coal has been mined in but one other place in the county, which is at Mi- 

 nonk. This place is located on nearly the highest land in the county, and the 

 shaft was sunk on the prairie, near the railroad, and about on a level with the 

 town. The most of the following section was furnished me by the Superintend- 

 ent, Mr. Atherton ; the remainder by D. C. Taft, Esq. : 



FEET. IN. 



1. Drift 125 



2. Limestone 6 



S.Clayshale 3 



4. Black slate 1 



