INDEX. 



503 



Page. 



Microgi'anitic texture in quartz-mica-diorite 228 



in quart z -mica- cliorite-porpbyry, plate of 310 



ilicrolitic feldspar 99 



Micro-opliitic texture in metabasalt 104,212 



Micropegmatitic texture in acid lavas 89 



in biotite-granite 191,192,193 



iu diorite 224 



in gneisses 390 



in metadolerite 201 



in quartz-mica-diorite 237 



in tpnalite 230 



{See Pegmatitic texture.) 

 Micropoikilitic texture in rhyolite-porpbyry de- 

 scribed 83-86 



plate of 270,272 



in feldspar 1"1 



origin of ^o 



{See Poikilltic texture.) 



Milwaukee and Xortliern Rwy 406 



Mines, Aragon 69 



Armenia, description of ore body at 183 



location of 173, ox). 186 



table of shipments from op. 186 



Blaney. {See Hope mine.) 

 Caledonia. {See Mansfield miue.) 



Calumet and Hecla 399 



Claire, location of 178, op. 186 



table of shipments from op. 186 



Columbia, description of ore bodies 182 



location of 179, op. 186 



table of shipments from op. 186 



referred to 161 



Crystal Falls, analysis of ore from 181 



location of 178, op. 186 



table of shipments from op. 186 



referred to 161 



Belphic, location of op. 186 



table of shipments from op. 186 



Dnnn, analysis of ore from 181 



depth of 185 



description of ore bodies 182 



location of 179,op. 1S6 



table of shipments from op. 186 



Fairbanks. {See Lincoln mine.) 



Great "Western, description of ore bodies at 182 



depth of 185 



fissuring of rocks 185 



location of 178, op. 186 



table of shipments from op. 186 



Groveland 413,415 



Hemlock 157,177 



analysis of ore from 181 



diamond drill woik at, figure of 177 



exploitation of ore deposits at 175 



location of op. 186 



table of shipments from op. 136 



HoUister, location of 178, op. 186 



Hope, location of 178, op. 186 



table of shipments from op. 186 



Iron Star. (See Great "Western mine.) 



Lamont, location of 178, op. 186 



table of shipments from op. 186 



{See Monitor mine.) 



Lee Peck, location of 178, op. 186 



table of shipments from op. 186 



Lincoln 179 



Mines, Lincoln, analysis of ore, from 181 



location of 178, op. 186 



table of shipments from op. 186 



Manhattan, location of op. 186 



table of shipments from op. 186 



Mansfield 27.54,411 



described 65-70 



analyses of ore from 69 



Cross section of 63 



concentration of ore at 72 



figure of cracks in 65 



location of op. 186 



table of shipments from op. 186 



Mastodon, analysis of ore from 181 



caving system at 185 



location of 179,op.l86 



method of raining at 184, 185 



table of shipments from op. 186 



Metropolitan, granite dike at 381 



Michigan 157 



location of op. 186 



table of shipments from op. 186 



Monitor, dike in {see Lamont mine) 183 



Northwestern 399,407 



Paint Kiver 183 



dike in 183 



location of 178, op. 186 



ore deposits of 183 



table of shipments from op. 186 



Pewabic 69 



Sheldon &, Scbafer. (See Columbia mine.) 

 Smith. {See Armenia mine.) 

 Union. {See Columbia mine.) 

 "Wauneta. {See Hope mine.) 



Youngstowu 182,186 



location of 178, op. 186 



table of shipments from op. 186 



Mining, depth of 185 



Mining methods 184-185 



Miarolitic texture in tonalite 229 



Mixed ore in "Cpper Huronian 182 



Monitor mine, dike in {see Lamont miue) 183 



Morbihan, Brittany, granite, compared with Crystal 



Falls granite 44 



Muscovite, development of 484 



from feldspar 42, 82, 90, 92, 192, 201, 224, 228, 248 



plate of 286 



from schistose py roclastic 146 



from staurolite 196 



included in feldspar 468 



included in quartz 171,394,403 



including hiotite 298 



intergrown with biotite 393, 414 



of acid lavas 89 



of basalt, plate of 290 



of basic dikes 47 



of biotite-granite 192 



of biotite-schist 484 



of Bone Lake schist 151 



of granite 464 



of gray wacke 170 



of metabasalt 127,129 



of mica-schist 392,393 



of muscovite-biotite-granite 193 



plate of 298 



of phyllito 440 



