60 Saliferous Rock Formation in the Valley of the Ohio. 



No 



Description of strata. Thickness— feet. inch. 



12 



21. Soapstone, in which appears some salt water from the 



stratum <5f sandstone below, boring from five to seven 

 feet per day. - # - - - 



22. Hard white sand rock, called the upper salt rock ; 



in this appeared some salt water, with a discharge 



of carburetted hydrogen gas. - - - 24 



23. Slate stone. - - - - 



24. White or light grey sandstone. - - 13 



25. Slate stone with yellow ochre mixed. - * - 14 



26. Bituminous coal. - - - 



27. White sandstone. . - - - 



28. Bituminous coal. - 



29. Slate and soapstone. - - - 



5 



1 6 



- - 14 



- - - - 3 



- - - - 10 



30. Slate intermixed with sand of bluish tint. - 19 



31. Soapstone* - - - - 3 



32. White or light grey sandstone. - - 5 



33. Slate rock. - - - - 



7 



34. Very hard, dark colored rock, probably mixed with iron. 2 



35. Light -colored slate mixed with sand. - - 15 



36. Blue slate stone, the upper portion of stratum nearly 



black. ..... 34 



37. White sandstone, very hard. - - - 4 



38. Blue slate rock. - 



39. Very hard rock, iron stone, boring only one inch per 



day. - - - - - • - 



36 



4 



40. Light colored slate, mixed with sand. - 31 



41. Very hard rock, iron stone boring, one inch per day. 1 



42. Black slate rock. - - - .6 



43. Hard blue sandstone. - - - - 17 



44. Bituminous coal. - - - 



45. Hard sandstone, part brown and part light colored. 24 



46. Bituminous coal. ... . . 2 



47. White slate. - *- - - 3 



48. Very light colored sandstone. - - 13 



49. White calcareous sandstone, with particles of pure salt 



intermixed, very dense in its texture, and affording 



but a small quantity of water. - - - 34 



3 



* Called atao argiilite, in the MS. 



