756 



INDEX. 



D. 



Page. 



Daily output of Leadville mines 015 



Dana, Prof. J. D., cited 283,548 



Danbree, A., cited 284,569 



Dechenite 411,616 



Decomposition in eruptive rocks 356 



Decrease of silver in depth 398 



Delaware River, chlorine in water of 552 



Delmonico gnlch 193 



Democrat Mountain 114 



Deposition pf ores, manner of 565 



Devonian in Rocky Mountains 56, 188 



DIKES 296 



influence of, on ore deposition 452 



interrupted 124,125,179 



of Gray Porphyry ... .447, 459, 461, 465, 466, 468, 470, 472, 



478, 481, 482, 4S3, 484, 490, 502, 511 



White Porphyry.. 96, 97, 112, 114, 165, 178, 211, 324, 501 



Diller, J.S 355,359 



DlORITE 84,333 



augite-bearing 120 



hornblende 124 



in French gulch 192 



mica 125 



silver in 579.594 



Discussion, chemical, of Leadville furnaces 737 



OF GEOLOGICAL PHENOMENA 276 



smelting charges 659 



Displacement, amount of, in Mosquito Range 19 



Disposition of smelting works, general 62C 



works at Smelter A 669 



B 672 



C 674 



E 680 



F 681 



O 883 



H 685 



Distribution of gold in placer deposit* 515 



intrusive rocks iu the Rocky Mount 



ains 305 



Leadville deposits 377 



porphyry bodies in Leadville region 206 



rich ore in Leadville deposits 494 



sedimentary formations in Mosquito 



Range 72 



DOLLT VABDKH MIKE 523 



DOLOMITES, relative solubility of 542 



used ID smelting 643 



DOLOMITIC SEDIMENTS discussed 276 



DOME FAULT 386 



MINK 389 



KIDGE 246 



the 190,191,192 



DOUBLE-DECKER MINI 408 



DRUSY CAVITIES in Nevadite 347 



DRYING OF THE FURNACE 664 



Dudley, Lincoln Porphyry near town of 120 



Dngan quarry 187 



dolomite analyzed 643 



DUST CHAMBER at Smltr A 671 



B 673 



C 678 



D 680 



E 681 



F 682 



Page. 



DUST CHAMBER at Smelter H 688 



and ventilation at Smelter G 685 



Dutton, Capt C. E., cited 359, 360, 361, 362 



DYER MOUNTAIN 150, 212 



fault 212 



Dynamic movements in Mosquito Range 32,34 



E. 



Eagle River Porphyry 80,188,193,330,591 



Eakins, L.G., analyses by 325,590 



EAST ARKANSAS VALLEY 190 



BALL MOUNTAIN 215 



Leadville 153,157 



I Eddy & James' Sampling Works 029 



Kili-is. A . .' it. -il 710 



El Capitan Creek igg 



534 



Elgin Smelter 625, 626, 643, 646, 693, 694, 695, 698, 708, 711, 



723, 725 



El Moro coke 041 



Embolite, analysis of 543 



EMMET FAULT 253,386 



EMPIREGULCH uj 



RHYOLITE 351 



HILL 176 



Endlich, F. M-, cited 56 



English gulch 191,102,200 



Epidoti, as alteration product 330, 34 1 , 357 



Erosion, in Mosquito Range, general 40 



glacial 29,41, 126 



ERUPTIVE FORMATIONS 74,292 



nocKs, capability of absorbing sediment- 

 ary rocks 308 



complete analyses of 358. 589 



their influence on structural forms. 26 



why intrusive and not surface flows . 300 



Eureka, Nevada 15,63 



EVANS AMPHITHEATER 2U 



EVENING STAR JUNE 433 



Expenses of smelting per 24 hours 668 



F. 



Falrplay 106,157 



FANNY BAREETT MINE 528 



Fault: 



ADELAIDE 243,402 



BALL MOUNTAIN '. 215 



BUF.ECE 236 



CALIFORNIA 385 



Carbonate 248,410 



COLORADO PRINCE 224 



Connection with folds 284 



Curving of beds adjoining a 146,178,286 



DOME 386 



Dyer Mountain 212 



EMMET 250,386 



HADE OP 287 



IOWA 221 



IBOX 244,384,402 



London 136,286,532,533 



MIKE 180,226 



Morning Star 411,438,441 



Mosquito 181,184,198,211,285 



Pendery 411. 42* 



