106 3. J. STEVENSON CARBONIFEROUS OF APPALACHIAN BASIN 



Feet. Inches 



3. Clay and sandy shale 19 



4. Coal bed 8 



5. Sandstone and shale, imperfect exposure 185 



6. Coal bed 



Number 2, the Mercer coal bed, yields only bituminous coal. The inter- 

 val to the Sharon, 204 feet, may be slightly too small, as the dip was 

 ignored in the measurement. Lyon assigns certain coals in the neigh- 

 borhood to 69 and 105 feet above the Sharon. The lower bed, approxi- 

 mately 140 feet below the Mercer, is reached in all the deeper valleys 

 from Levisa fork to the state line, and the Mercer is frequently exposed. 



Just east from the Levisa fork, Mr Lyon saw a quartz-pebble con- 

 glomerate at 540 feet above a coal which he took to be his "Adamsville " 

 bed, the Sharon, but which better exposures eastward show to be the 

 lowest bed, almost 100 feet below the Sharon. This conglomerate on 

 Stonecoal branch of Rockcastle creek, in Martin county, is 100 feet thick 

 and 244 feet above the Mercer coal bed, which is 10 feet 5 inches thick, 

 with a 5 inch parting at 3 feet from the bottom. Near this locality coal 

 beds were seen at 30 and 56 feet above the Mercer, which are present in 

 Professor Crandall's section, and in addition a cannel underlies the con- 

 glomerate, according to both observers. 



The section was followed to the Tug fork of Big Sandy river by Mr Lyon, 

 the valle} r s being sometimes much deeper than enough to expose the 

 Sharon coal bed, which Mr Lyon had followed for many miles under the 

 names of the "Adamsville " or "A. J. Rice " coal. He finds this coal bed 

 about 40 feet above the Tug fork at Warfield, with the underlying Licking 

 shales carrying the characteristic concretions and bands so often referred 

 to by him and Professor Crandall. On his return westward from the Tug 

 fork, he followed the Licking shales to Paintsville in Johnson county, 

 where the Sharon sandstone is above drainage. 



Doctor White has given a section obtained at Warfield as follows : 



Feet. Inches 



1. Sandstone and shale 150 



2. Coal bed 15 9 



3. Concealed and sandstone 25 



4. Silicious limestone 4 



5. Shale and concealed 30 



6. Cannel 2 



7. Sandstone and concealed 30 



8. Silicious limestone 1 



9. Sandstone and concealed 20 



10. Coal bed 



1 1 . Concealed and sandstone 65 



