THE MISSISSIPPIAN PERIOD 



149 



LEGEND 

 OCEANIC BASINS 

 MARINE WATERS (EPICONTINENTAL) 

 SEA OR LAND, MORE LIKELY SEA 

 LAND OR SEA. MORE LIKELY LAND 

 LANDS 

 INDETERMINATE AREAS 



POLAR 

 EQUATORIAL 

 CONTINENTAL DEPOSITS. SOMETIMES 

 INCLUDING MARINE SEDIMENTS 



MARINE CURRENTS 



Fig. 87 



Paleogeographic map of North America in Mississippian time. (Slightly 



modified after Bailey Willis, courtesy of The Journal of Geology.) 



