INDEX. 



[Small capitals indicate headings of chapters, sections, or subsections. The names of all mines or prospects mentioned in 



the work will be found under "Mines."] 



Page. 



ACCRETIONS 725 



hearth 725 



peculiar 730 



shaft 727 



ADELAIDE FAULT 243,402 



MINE 407 



ore, analysis of 544, 618 



Porphyry 241,403 



Smelter 625,626,691,693 



AGENTS OF ALTERATION of Leadville ores 652 



Age of Archean rocks 51 



eruptive rocks 293, 319 



gold deposits 515 



LEADVILLE DEPOSITS 376 



Alden crasher 632 



Alkali determinations of eruptive rocks 590 



Allanite 329,335,341,300 



analysis of 329 



Alma 106,123 



Alteration, agents of , - - 552 



of Leadville deposits 378, 550 



American Smelter 625, 626, 643, 646, 693, 698, 708, 725 



AMIKMINE 471 



AJII'HIBOLITE 50 



Analyses, methods employed in 576 



Aualysis of 



Adelaide ore 544 



Allanite 329 



Amphibole from dolomitic limestone 598 



Andesite 589 



Average ore of Leadville 544,620 



Basic ferric sulphate 550,006 



Blende 



Breece iron ore 



Bullion 



CARBONATE ORES 



from Adelaide 



Little Chief. . . 



Chamber dust 



roasted 



Chinese talc 



CHLORIDE OHES 



from Amie mine 



Big Pittsburgh . 

 Kobert E. Lee . . 



48 



MON. XII- 



556 

 647 

 694 

 544 

 618 

 618 

 712 

 715 

 603 

 619 

 619 

 619 

 619 



Analysis of Continued. 



COKES 642 



Dolomites, Blue Limestone 65, 596, 644, 645, 646 



Cambrian limestone 59 



White limestone 596 



Embolite 548 



ERUPTIVE ROCKS 358,589 



Feldspar from Gray Porphyry 589 



Fumes from Bartlett filter 717 



Galena 556 



Granite from Little Cottonwood, Wasatch 



Mountains 313 



Gray Porphyry 332,358,589 



Hypersthene-andesite 589 



from andesite 589 



Iron sow or salamander 722 



KAOLIN AND CHINESE TALC 603 



Lime sand 430 



Limestone, altered and unaltered 214 



Blue 65, 596, 643, 644, 045, 66 



Cambrian 59, 119 



Cajjon City 610 



Robiusou 598 



White 65,214,590 



Lincoln Porphyry 332, 358, 589 



Mattes 723 



Mount Zion Porphyry... .' 326,358,589 



Muscovite from White Porphyry 589 



Nevadite 349,338,589 



Orthoclase from Lincoln Porphyry 332, 589 



Peculiar accretions 730, 731 



Porphyrites 310,358,589 



Pyrite 536 



Sanidinc from Nevadite 589 



Seipentine 598 



Shaft accretions 727 



Skimmings of bullion 696 



Slags 701,704 



Speiss 7iO 



Sulphide ores 556 



Tapping clay 641 



Vein materials 557,599 



White Limestone 65,214,596 



White Porphyry 320,358,589 



Anataae 325,327,357 



AXDESITE 88, 353 



753 



