WEST VIRGINIA 159 



Lower Carboniferous, and the thickness thus corrected is about 250 feet. 

 The four coal beds of the Clark are all thin, and the Pocahontas coal 

 bed, immediately underlying the bottom sandstone of the Clark, is 2 feet 

 6 inches thick. A section at Sewell reaches to the Nuttall sandstone. 

 It shows the Sewell (Sewanee) coal bed at 50 feet above the Raleigh 

 sandstone, and another bed at 190 feet higher. Two coal beds are shown 

 in the Quinnimont, the upper one at 100 feet above the Quinnimont 

 coal bed and 78 feet below the Raleigh. Four coal beds are present in 

 the Clark portion of the column at 100, 112, 152, and 208 feet below the 

 Quinnimont bed. The Sewell (Sewanee) coal bed is irregular and known 

 to the miners as the "conglomerate seam." Its floor is not the usual 

 fireclay, but is " a curious conglomerate, consisting of fragments of fine- 

 grained gray sandstone and very fine gray shale, cemented together by 

 shaly matter colored with coaly matter." The roof shales contain an 

 abundant flora. Doctor White's section at Sewell gives 982 feet as the 

 thickness below the Sewell coal bed.* 



The first complete section of the Lower Pottsville was made by Doctor 

 White at Nuttallburg on New river at 10 or 12 miles below Sewell. This 

 was measured in 1884, but revised afterward and republished in 1903. 

 It is 



Feet. Inches 



1. Sandstone, massive, pebbly 110 



2. Shales 60 



3. Coal 1 



4. Sandy shales and sandstone. . 75 



5. Sandstone 25 



6. Black slate 2 



7. Coal , 1 



8. Shales and sandstone 75 



9. Coal 10 



10. Shales and sandstone 50 



11. Coal, Sewell, Nuttall 3 6 



12. Shales and slates . 75 



13. Massive sandstone, Raleigh 155 



14. Slates, dark 10 



15. Concealed and shales 120 



16. Coal 3 5 



17. Shale and sandstone 130 



18. Coal, Quinnimont 4 5 



19. Shale and sandstone 35 



20. Coal, slaty 2 4 



21. Shales 40 



* W. M. Fontaine: Great Conglomerate on New river, West Virginia. Amer. Jour. Sei., 1874, 

 pp. 465, 573, 574. Conglomerate Series of West Virginia. Amer. Jour. Sci., 1876, vol. xii, pp. 279 

 et seq. 



I. C. White : Catalogue West Virginia University, 1884, p. 89. 



