Art. IX,] Watson, Manganese Ore- Deposits of Georgia. 179 



Cambrian to Carboniferous. Several faults of the minor-thrust 

 type cut the rocks at close intervals. The ores are limited to 

 the residual decay derived from an underlying long, narrow belt 

 of Knox dolomite, marking the position of a dissected chain of 

 ridges trending northeast-southwest. This belt of the Knox 

 formation is included between two faults, and is in contact on 

 the east and west sides with the Rome shales and sandstones. 

 In 1890, the Catoosa Mining Company made extensive 

 preparations for mining manganese on its property, located 



Fig, 15, 



■Wats9n 



Drawings Illustrating the Formation of Manganese-Breccia Ore in the 

 Lindale and Cave Spring Deposits, Floyd Co,, Georgia. Manganese oxide is 

 represented by the black lines and areas. The white areas are fragments of 

 chert and sandstone. Attention is directed to the increase in the proportion of 

 manganese to rock in passing fmm No. i to No. 4. 



about 2 miles north of Tunnel Hill, a station on the Western 

 and Atlantic railroad. A manganese-plant equipped with the 

 necessary modern machinery was built, and a number of miles 



