THE PENNSYLVANIAN PERIOD. 



559 



Section in Western Virginia. 



Names of Formations. 



Thickness 

 in Feet. 



Characteristics. 



' Summit removed by erosion. 



Wise formation 



Gladeville sandstone. . . 

 Norton formation 



Lee formation. 



Unconformity. 

 Pennington shale. 



Newman limestone. 



Grainger formation 



The lower part of this forma- 

 tion is Devonian. 



100 + 



100 



1200-1300 



1500 ± 



1040-1100 

 1000 ± 



1000-1500 



Shale, sandstone, and coal-beds. 



Coarse sandstone, locally conglomeratic. 



Shale, sandstone, and coal-beds; the import- 

 ant coal-bearing formation of the region. 



Coarse massive conglomerate; shale with 

 coal-seams; sandstone, generally free 

 from pebbles, with shale layers; shale 

 with coal-seams; massive sandstone. 



Red and green argillaceous shale; occasional 

 beds of sandstone and impure limestone. 



Calcareous shale with beds of impure lime- 

 stone; heavy-bedded, blue limestone, 

 slightly cherty toward the base. 



Argillaceous and calcareous shale; sandy 

 shale, and thin-bedded sandstone. 



Strata folded and faulted. 



Section in Southern West Virginia and Western Virginia. 2 



Names of Formations. 



Upper part wanting. 

 Charleston sandstone. 

 Kanawha formation. . 



Guyandot sandstone. 

 Harvey conglomerate. 

 Sewell formation. . . . 

 Raleigh sandstone. . . 

 Quinnimont shale. . . . 



Clark formation 



Pocahontas formation 



Bluestone formation. . 



Princeton conglomerate. 



40 



Hinton formation 



1250-1300 



Bluefield shale 



1250-1350 



Greenbrier limestone. . . . 



1500 



Pulaski shale 



20-300 

 200-300 



' Price sandstone 



Thickness 

 in Feet. 



500 + 

 1000 + 



10-100 

 0-50 



650-700 

 300 

 300 



380 

 360 



800 



Characteristics. 



Coarse sandstone with beds of coal. 



Sandy and argillaceous shales; soft sand- 

 stone, and numerous seams of coal, many 

 of workable thickness. 



Coarse sandstone or conglomerate (lentil). 



Massive conglomeraate (lentil). 



Sandy and argillaceous shale and sandstone. 



Coarse sandstone in heavy beds. 



Shale with thin beds of sandstone and a 

 few coal-seams; Quinnimont coal-bed. 



Sandstone with some shale and coal-beds. 



Pocahontas (No. 3) bed of coal; gray and 

 green argillaceous sandstone and shale. 



Purple shale and thin red sandstone, with 

 calcareous beds, sometimes taking the 

 form of limestone conglomerate. 



Coarse sandstone or conglomerate; calcare- 

 ous matrix locally. 



Purple shale, green and purple sandstone, 

 and impure limestone or calcareous shale. 

 Blue limestone and calcareous sandstone: 

 calcareous shale. 



Alternating shale, and heavy -bedded, blue 

 fossiliferous limestones; heavy beds at 

 base carry black chert. 



Bright red or purple. 



Coarse yellow sandstone interbedded with 

 sandy shale and coal-beds. 



Strata gently folded. 



1 Campbell, Bristol, Va.-Tenn. folio, U. S. Geol. Surv. Unconformity between the 

 Pennington and Lee formations is implied, but not affiirmed, in the text of this folio. 



2 Campbell, Pocahontas, Va.-W. Va. folio, U. S. Geol. Surv. 



