656 



GEOLOGY AND MINING INDUSTRY OF LEADV1LLE. 



SMKLTER G. 

 Smelling charges made in August, 1830. 



Ore, 615 pounds. 



Flux, 142 pounds. 



Fuel, 140 pounds. 



IronMineore 83 Dolomite fl2 Clinrcoal.. 



EobertE. Leoore.. 123 Old slags 80 Coke 00 



Morning Star ore .. 185 



Robert E. Lee ore . . 77 



Evening Stir ore .. 175 



Charge (ore and flux), 787 pounds. Smelting charge (ore, flux, and fuel), 027 pounds. 



In the preceding: charge the proportions are 



Flux to oro 22 



Fuel to ore 21f 



Fnel tocuarjje l~i 



Average cliarge deduced from data g'n-en in Table IP. 

 Ore, 600 pound*. Flux, 203 pound*. Fuel, 153 pounds. 



Variousorcs 000 Dolomite 58.1 Charcoal 92 



Hematite 08. 9 Coke 61 



Old slags 73 



Charge (ore and flux), 803 pounds. Smelting charge (ore, flux, and fuel), 956 pounds. 



In the average cbarge the proportions are 



Flux to ore 33$ 



Fuel to ore 25i 



Fnel cbarge 19 



At this smelter the fuel is measured by the shovel. 



SMELTKI: H. 



Smelling charges made in Aiiguit, 1880. 

 No. 1. 



Ore, 530 pounds. Flux, 175 pounds. Fuel. 130 pounds. 



Ore-bed SCO Dolomite 55 Charcoal 110 



Adelaide ore 30 Old slags 120 Coke 20 



Charge (ore and flux), 705 pounds. Smelting charge (ore, flux, and fuel). 635 pounds 



No. 2. 



Ore, 5.V) pounds. Flux, 155 pounds. Fuel, 130 pounds 



Ore-l>ed 500 Dolomite 35 Charcoal 110 



Adelaide ore 50 Old slags 120 Coke 20 



Charge, 705 pounds. Smelting charge, 835 pounds. 



