WOODCUTS IN THE TEXT. 



Page 

 Figure I. — Diagram illustrating the formation of folds , , . 13 



„ 2 and 3. — Folding of calcite stringers in chlorite schist form- 

 ing the country rock of the Champion lode, illus- 

 trating on a small scale the formation of 

 " chambers " or large " pockets " of ore by the 

 folding of the lode. Drawn to natural scale . 14 

 , 4. — Diagram showing the method of running the skip in the 



inclined and vertical portions of a shaft, respec- 

 tively ....... .25 



„ 5. — Diagram showing the arrangements for screening, sorting 

 and preliminary breaking of the ore at the Mysore 

 Mine. Scale 1 inch to 20 ft. . . . . 41 



., 6. — Mortar box, Mysore mill (1,050 lb. stamps). Scale i| 



inch to 2 ft. . . . . . . . .47 



„ 7. — Mortar-box, Champion Reef new mill (1,250 lb. stamps). 



Scale i| inch to 3 ft. . . . . . .49 



