INDEX 



315 



Iron Mountain, Wyoming, 212 

 Irving, J. D., 64. 270 



Irving. K. D., 209 



Jaipurite, 235 



Jenney, W. P., 258 



Jerome district, Arizona, 152 



Jopliii, Missouri, 260, 267 



.I'.M-ite, 285 



Josephinite, 238 



K 



Kalgoorlite, 53 



Kemp, J. F., 190, 260 



Kermesite, 171 



Keyes, C. R., 1, 24, 240, 258 



King, Clarence, 72 



Klondike, Yukon Territory, 80, 81, 84 



Knight, C. W., 239 



Kotsina district, Alaska, 157 



Krennerite, 52, 285 



Lake Superior region, 142 



Lane, A. C., 136, 142, 144, 145 



Laterite, 49 



Laurite, 103 



Lead, 110 



character of ore bodies, 111 

 extraction of, 122 

 geographical distribution, 114 

 geological horizon, 122 

 lime-roasting process, 123 

 metasomatic deposits, 40 

 ores of, 110 

 origin of ores, 111 

 precipitation process, 127 

 primary ores, 35 

 production of, 292 

 properties of, 110 

 reduction process, 122 

 roast-reaction process, 122 

 uses of, 123 



Leadville, Colorado, 91, 117 



Leadville minerals, 94 



Le Conte, Joseph, 35 



Lehrbachite, 283 

 Leucopyrite, 164 

 Leucoxane, 272 

 Lieth, C. K., 192, 204 

 Limonite, 190, 193 



gossan, 204 



residual, 202 

 Lindgren, W., 77, 136 

 Linnaeite, 235 

 Lithopone, 267 

 Livingstonite, 267 

 Lixiviation, 100 

 Lollingite, 164 



Losses of precious metals, 108, 109 

 Lotti, B., 137 



M 



MacAlister. See Thomas and Mac- 



Alister, 30, etc. 

 Magnalium, 228 

 Magnetite, 190, 192, 195 

 Malachite, 135 

 Mallet, F. R., 248 

 Manganese, 245 



character of ore bodies, 248 



extraction of, 254 



geographical distribution, 250 



geological horizon, 254 



precipitated ores, 41 



production of, 303 



properties of, 245 



ores of, 246 

 origin of, 246 



uses of, 254 

 Manganite, 246 

 Manganocolumbite, 281 

 Manganosite, 281 

 Marcasite, 189 

 Marquette district,. 207 

 Massicot, 110 

 Maumene", E., 246 

 McCallie, S. W., 201 

 McCasky, D. H., 287 

 Menominee district, 209 

 Mercur, Utah, 26 

 Mercury, 126 



character 01 ore bodies, 127 



distillation of, 129 



