IXDEX. 



599 



Mines— Continued. 



Lake Superior hematite 395 



Lake Superior Iron Company 398 



Lake Superior specular liermatito 390 



Lowthian 360, 38.1, -130, 431, 571 



(See Winthrop.) 



Lucy 1« 



Magnetic 53,54, 



338, 389, 390, 391, 439, 441, 444, 503, 513, 534, 537 



McComber 515 



Metropolitan 439,537 



Michigamme - 89, 92, 



94, 100, 116, 126, 300, 314, 322, 352, 376, 377, 389, 396, 

 399, 410, 412, 420, 421, 424, 475, 503, 504, 547, 558, 576 

 section of, showing relations of jasper, ore, 



conglomerate, and quartzite 420 



National 394 



New York 73,94 



Ne-w York and Lake Superior Mining Company . 22 



Nonpareil 324, 327 



(See St. Lawrence.) 



North Champion 454 



Pascoe shaft 540 



Phenix, Pittsburg, and Lake Superior 73 



Piatt 212,213,215,298,299,311,383 



Queen Mining Company 327, 393, 398 



EepubUc 51.74,89,126, 



128, 142, 342, 344, 396, 399, 437, 442, 537, 540, 546 



Eepublic Mining Company 544 



Eiver-fide 396,399,439,547 



Saginaw 89, 115, 125, 142, 299, 366, 383, 384, 416, 430, 431 



Salisbury 75,89,379,395 



Section 16.398 



Spurr 52.62,94,126,330,352,376,378, 



389, 410, 412, 420, 421, 424. 452, 475, 500, 503, 504, .571 



St. Lawrence 324 



(See Nonpareil.) 



Standard 439,537 



Starwest mine 334 



See Wheat mine.) 



Taylor 346 



Volunteer 138, 284, 312, 333, 360, 396, 399, 412, 429, 431 



Washington 74 



West Kepnblio 541,542 



Wetmore 127 



Wheat 125 



(See Starwest.) 



Winthrop 54.125,137 



(See Lowthian.) 



Minnesota 5, 44 



Mississippi River 35 



Missouri 15, 26, 35 



Mona schists 224,232,234,470,558 



age of 154 



described 1.52-160 



division into two classes 154 



in Northern Complex 151, 152-160, 164, 220 



origin of 155,156-158,159 



relations to adjacent rocks 153-134 



river course through _ 153 



plateof ' 152 



schistosity of 154,156 



structure of 154,157,158 



(See Basic schists, Basic Mona schists. Acid 

 ilona-schists. Acid schists.) 

 Monograph XLX, referred to 366 



Morgan furnace 54. 240, 244, 240, 253. 560 



Morgan shaft 540 



Morgan-Pascoe-Ely synclino ; 540, 549 



Mortar stracturc in hiotite.granite 174 



Mount Alban series 66, 70-71, 129 



rehitiuna to Huronian 56 



Mount Chocolay 237,238,253 



Mount Humboldt 222,329, 



332, 384, 385, 386, 387, 388, 389, 432, 433, 454 



Mount Mesnard 137, 221, 231, 236, 237, 251, 253 



Mount Omimi. (See Omimi bluffs.) 



Mud Lake 223, 232, 234, 235, 240, 252, 253, 558 



Miinroe, H. S., on deposition of iron ore 95-97 



referred to 94 



M urray, Alexander, referred to 39, 71, 110, 146 



Muscovite from feldspar. 289, 319, 327-328, 422, 438, 442, 458, 527 



of biotite-granite 172, 173 



of hiotite-schist 196 



of chert and jasper conglomerate 414 



of graywacko 228,318-319 



of greenstone 509 



of griinerite-magnetite.sehist 390 



of iron ore 374,415 



of mica-schist 457 



of muscovite-granite 175 



of muscovite-schist 195 



of quartz-schist 2,S9,293,415 



of quaitzite » .V28,529,534 



of recomposed ore 438, 441 



Murtcovite-biotite-gneiss 443 



(See mica-gneiss.) 



Muscovite-biotite-schist 415, 443 



(See Mica-schist.) 



Muscovite-granite 174-175 



composition ot 175 



in Northern Complex 174-175 



origin of 175-176 



relations to adjacent rooks 170-171 



relations to Kitchi schists 162 



to Mona schists 153 



structure of 175 



Muscovite-schist 289,443 



in Southern Complex 195-196 



structure of 198 



N. 



National mine 394 



Negaunec 3, 4, 45, 53, 74, 75, 86, 89, 90, 91, 113, 123, 125, 



138, 146, 293, 296, 305, 329, 330, 331, 332, 334, 336, 348, 

 350, 360, 366, 373, 376, 378, 379, 380, 382, 383, 392, 393, 

 408, 409, 410, 429, 488, 489, 490, 501, 513, 564, 573, 579 



Negaunee formation 136, 137, 186, 221, 225, 281, 283, 



284, 294, 303, 312, 313, 314, 316, 317, 321, 324, 325, 326, 

 412, 421, 422, 423, 424, 425, 426, 427, 428, 429, 432, 436, 

 441, 447, 454, 472, 528, 540, 554, 562, 563, 564, 569. 570 

 and Tshpeming formation, apparent gradation 



between 433 



denudation of 331,334-335 



deposition of 561 



described 328-407,529-532 



gradation into A jihik quartzite 390 



greenstones in. (See Greenstone in Negaunee.) 



jasperization of — 404 



near Lake Angeline, plate of 332 



near Lake Bancroft, plate of 334 



