456 E. B. BRANSON A MISSISSIPPIAK DELTA 



2. Thirty miles north of the Cloyds Mountain region the Mississip- 

 pian began with the land emerged, but the sea soon advanced* from the 

 north and initiated limestone-forming conditions, which were succeeded 

 by marine sandstone and shale forming conditions, which were followed 

 by subaerial conditions. 



3. The Pulaski shale, Greenbrier limestone, Bluefield formation, and 

 Hinton formation of the northern region are equivalent to the Pulaski 

 of the southern. 



