KNOX COUNTY. 



343 



45. 

 46. 

 47. 

 48.' 

 49. 

 60. 

 51. 



Drab 



u 

 Lighter 

 Coarse 



No. of 

 Strata. 



6. Coarse sand-rock 



7. 



8. 



9. 



10. 



11. 



12. 

 13. 

 14. 

 15. 



16. 

 17. 



18. 

 19. 



Material. 



fine . 



Fine, hard, blue sandstone 



" " lighter sandstone 



" " sandstone, with pyrites 



Coarse blue sandstone 



20. Fine blue sandstone, with shale partings . 



01 ct it a II 



22. Hl)iigh gray shale 



23. Silicions blue shale 



24. Blue shale 



25. Hard, fine sandstone 



26. Blue argillaceous shale 



27. " " lighter 



28. Fine, hard sandstone, with pyrites 



29. Fine, blue sandstone 



30. " " with shale bands 



31. Fine-grained micaceous sandstone 



33. Blue argillaceous shale, with sandy bands 



33. " " " " . 



OJ fl ii it li 



35. 

 36. 

 37. 

 38. 

 39. 

 40. 

 41. 

 42. 

 43. 

 44. 



Argillaceous shale . . 

 Blue grit sandstone. 



shale bands 



Dark, bluish shale 



with thin sllicious bands' 



Dark, bluish shale, with red ferruginous and eilicious 



bands 



Ked sandstone and blue shale in bands 



' ' more silicions 



Blue argillaceous shale 



" " with dark sandstone bands.. 



Dark shale ^ 



" lighter 



