164 Bulletin of Laboratories of Denison University. [Voi. xii 

 The Manganese Ore-Deposits of the Cartersville District. 



Mode of Occurrence of the Ores. — The manganese-ores oc- 

 cur imbedded in the heavy mantle of residual material derived 

 from the decay of the Beaver limestone and the Weisner quartz- 

 ite, and they have nearly equal distribution in the decay de- 



FiG. 5. 



Scale of Miles. 



Topographical Map of the Cartersville District, (Georgia. (Cartersville Topo- 

 graphic Sheet, U. S. Geol. Survey). Contour-interval, 100 ft. 



