SECTION 01" THK SOUTH JoGGINS. 159 



(Gray sandstone and shale. One underclay with ft. in. 

 Stigma ria) . . . . . . . . 12 6 



' Gray argillaceous shale. 

 Coal, 1 inch. 

 Gray argillaceous underclay, Stigmaria, 1 ft. 6 in. 



Coal-group 7 ■{ Coal, 2 inches. 



Gray argillaceous underclay, Stigmaria, 4 inches. 



Coed, 1 inch 2 2 



Gray argillaceous underclay, Stigmaria. 



This is an alternation of thin coarse coals or fossil vegetable 

 soils with Stigmaria subsoils. The roof-shale contains erect 

 Catamites, which seem to have been the last vegetation which 

 grew on the surface of the upper coal. 



(Gray and reddish sandstones and shales) . . 73 



( Red and gray shale. 



Coal-group 8 ■< Coal, 1 inch ........ 1 



(^Gray hard underclay, Stigmaria. 



This coal contains flattened trunks of Sigillaria sciUeUata, 



or an allied .species, and of other Sigillarice, also abundance of 



vascular bundles of ferns and portions of epidermal tissues of 



different plants. 



(Gray sandstone and red and gray shales. Stigmaria 

 in the upper bed, and prostrate Sigillaria and 

 Cordaites in some of the sandstones and shales) . 490 

 ( Gray argillaceous shale, ironstpne nodules. 



Coal-group 9 -| C'oaZ, 3 inches . . . . . . .03 



( Argillo-arenaceous underclay, Stigmaria. 



The roof of this coal holds prostriite Sigillaria; of three species 

 and Cordaites horassifoUa. The coal is hard and shining, with 

 impressions of flattened Sigillaria}, also of Cordaites, Asterophyl- 

 lites, Carpolites, and vascular bundles of ferns. 



(Underclay and reddish gray shale) . . .GO 



' Reddish gray shale. 



Coal and coaly shale, 8 inches. 



Gray argillaceous underclay, nodules of ironstone, 

 and Stigmaria, 2 feet. 



Coal, stoiiy and compact, 2 inches . . . . 2 10 



Gray argillaceous underclay, Stigmaria. 



The roof-shale has obscure impressions of plants, apparently 

 petioles of ferns. The upper coal is tlunly laminated and full 

 of leaves of Cordaites and ferns, among which is Alethopteris 

 lonchitica. The lower coal is compact, resembling cannel, and 

 has many vascular bundles of ferns. It seems to be composed 

 of herbaceous matter macerated in water and mixed with mud. 



(Gray sandstone and shale with nodules of ironstone) 23 

 i Gray argillaceous slialc. 



Coal-group 11 -^ 6'on^, shaly, 3 inches ... . . .03 



( Arenaceous underclay, Stigmana. 



Coal- group 10., 



