100 



Geology 0/ the Falls of the Kenawha. 



Section of the Madrepore deposit, on Ganly River. 

 Fig. 14. 



/ 



750 feet. 



1. Bed of the run; composed of slate, very dark colored. 



2. Slaty shale ; containing the rolled blocks of madrepore. — 6 feet. 



3. Limestone conglomerate, very dark colored. — 4 inches. 



4. Slaty sandstone, in thin layers, dark colored and fragile .-40 feet. 



5. Bituminous coal. — 4 feet. 



6. Sandstone rocks and slate, with other coal beds from the side 

 of the mountain, to an elevation of eight hundred feet. 



No other fossil was discovered, associated with the madrepores. 

 Small quantities of the red oxide of iron, are found in the bed of the 

 run; some of which contain impressions of encrini. Fragments of 

 lydian stone, or silicious slate, are found detached from that vast de- 

 posit, mentioned in another place. From the simplicity of the struc- 

 ture, so much resembling a crystallization, and the great depth of the 

 superincumbent strata, under which they lie buried, these fossils must 

 have been among the first created animal productions of that ancient 

 ocean, which once rolled its tides over tracts now occupied by ran- 

 ges of lofty mountains. 



Geology of the Falls of the Kenawha, helow the mouth of Gauly 



River. 



The rocks at these celebrated falls, are composed of a compact, 

 sandstone conglomerate, containing imbedded fragments of water- 

 worn white quartz, from the size of a pea to that of a nutmeg. They 

 are not very uniformly diffused, but appear in groups with scattered 



