602 



INDEX. 



Page. 



Quartz of conglomerate 226,234 



240, 264, 276, 413, 424, 431, 432, 

 433, 442, 477, 479, 533, 535, 543 



of dolomite 248 



of feldspar 290 



of feldspatliio biotite-schist 197-198, 199 



of ferruginous chert 325, 326, 370 



of ferruginous mica-slate 388 



of ferruginous rock 451 



of ferruginous slat© 379 



of gneissoid granite 210 



of granite 526 



of graywacke 228,265,318-319,328,448 



of greenstone 465, 501, 503 



of griinerite-magnetite-scbist 377,388,389,418,424 



described 372-373 



of hornblende-syenite 177 



of iron-bearing formation 529 



described 376,381,530 



of iron ore 91,374,415,434,440 



of .iaspilite 107, 293, 354, 362, 372, 376, 383 



described 372-373 



of Kitcbi schists 164,166 



of magnetic chert 352 



of magnetite-schist 344 



of mica-gneiss 450 



of mica-schist 459 



of Mona schists 155,157 



of muscovite-granite 175 



of novaculite 267, 384 



of ore and jasper conglomerate 426 



of (luartz-diabase 520 



of quartzite 529,534 



of Palmer gneiss 214-215 



of recomposed jasper 414 



of recomposed ore 438, 442 



of siderite-slate 367 



of slate 292,318,321,324,448 



of Weweslate 262 



Quartz-rock 223,303,310 



described 291 



from quartzose sandstone 230 



Quartz-schist 134.225, 



226, 231, 239, 270. 278, 289, 297, 307, 322, 413, 415, 433, 

 434, 435, 437, 440, 441, 442, 443, 535. 



alteration of 239 



intcrbedded with diorite-schist 85-86 



of conglomerate 434 



Quartzite 11, 



49-50, 54. 87, 137, 139, 144, 224, 227, 231, 234, 235, 240, 

 241. 242. 243, 247, 253, 254, 263, 269. 271, 291, 313, 325, 

 401, 408, 409, 410, 412, 425, 433, 512, 515, 526, 534, 543, 

 544, 560, 570, 577, 579. 



described 264, 415 



development of 293 



discovery of two 137 



Doe River of Tennessee 571 



feldspathic 259 



gradation into gr.anite 147 



gradation into mica-slate 323 



of CLirksburg series 460 



of conglomerate 412,434,482,483 



unconformity with Potsdam sandstone 27 



(See Ajibik quartzite, Goodrich quartzite, Mes- 

 nard quartzite.) 

 Quartzite range 272 



Page. 



Quartzite tongue at Republic 144 



Quartzite-breccia 254, 291, 309, 310 



described 253 



Qnartzite-conglomerate 309, 310, 312, 313, 426 



described 259 



Quartzite-schist pebbles in conglomerate 413 



Quartzitic group 86-89 



composition of 87 



relations to diorite 87 



Quartzose .sandstone, alteration of 230 



Quartzose schist, alteration of 230 



Queen Mining Company 327, 395, 398 



R. 



Ragged Hills 253 



Rainy Lake district 519 



geology of 189 



Railroads : 



Chicago and Northwestern 76. 473, 515, 517 



Duluth, South Shore and Atlantic 127. 198, 460 



Republic branch of 432 



Milwaukee and Northern 473, 541 



Recomposed chert and jasper conglomerate 564 



Recomposed granite 278, 280, 287, 557, 558 



Recomposed jasper 413 



described 414 



Recomposed ore 399, 439, 441 



Reibungsbreccia 223, 



228, 247, 268, 281, 288, 290, 303, 308, 317, 326,361, 370, 380, 570 



Republic 23, 



4";, 52, 74, 76, 91, 139, 143, 144, 145, 191, 194, 294, 329, 332, 

 366, 389, 390, 403, 410, 436, 439, 441, 444, 470, 503, 504, 

 538. 561, 579. 



Republic Blutt' 542 



Republic formation 128,135.136.138,145 



delimitation of 139 



eruptive rocks in 139 



unconformity with Cascade and Holyoke forma- 

 tions 138 



Republic horseshoe, geological map of 546 



{See Republic trough.) 



Republic mine 51, 



74, 80, 126, 128, 142, 342, 344, 396, 399, 437, 442, 537, 540, 546 



Republic Mining Company 544 



Republic Mount.iin 51-52,110, 



437, 470, 499, 500, 504, 513, 529, 531, 

 535, 536, 537, 538, 541, 543, 547, 549 



Republic trough 3, 



191, 283, 386, 293, 313, 331, 338, 389, 

 394, 409, 410, 412, 413, 415, 436, 439. 344, 

 445, 499,503, 504, 558, 563, 566, 570, 574 



described 525-553 



relations to Archean 525-526 



folding of 523 



Reyer, E., on character of iron-bearing series 113-114 



on origin of iron ores 113-114 



referred to 7 



Rhyolites 160 



Ripple-marks in Kona dolomite 255 



in Mesnard quartzite 224, 237 



Rivers ; 



Ajibik 283 



Bad 56 



Bijiki 409,416,423,434 



Carp 5, 



13, 14, 16, 19, 21, 22, 23, 24, 25, 26. 27. 29. 35. 59. 60, 

 87, 222, 241, 257, 272, 282, 284, 285, 294, 295. 296, 

 299,303,305,307,314,571. 



