INDEX. 



863 



Page. 



Authors, Korman, Walter, analysis 679 



Leuly, Joseph, Niobrara Tertiary 591 



Lesquerenx, Joseph, age of Carbon coal . . 147 



coalplaats 146 



Meek, JF. B., cited ..62,85,121, 



231, 328, 335, 336, 383, 388, 389,' 390, 405, 

 411, 491, 545, 558, 640, 724, 728, 741, 767 



Marsh, O. C, cited 52,65,67,71, 



217, 225, 248, 262, 289, 2!;6, 307, 329, 741 



Marvine, A. R., cited 29 



Kewton, Henry, cited 29 



Peale, A. C, cited 29 



Powell, J. W., cited 196,199 



Prolss, Otto, analysis 770 



Kamsey, A.C., cited 436 



Keinhard, analysis 567 



Bichards, R. H., analysis 15 



Roth, J., lithophysae 616 



Scheerer, gabbro of Norway 14 



Smith, J. L., analysis 424 



Stevenson, J. J., cited 63 



Varney, A. L., cited 52 



Verrill, A. E,, cited 435 



"Watson, Sereno, cited 435, 746 



White, C A., cited 344,445 



Whitfield,R.P 557 



Whitney, J. D., Triassic in California 690 



Wiedeman, Professor, analysis 839 



Winchell,N.H., Black Hills 29 



Woodward, R. W., analyses .... 10, 13, 14, 16, 17, 23, 

 70, 103, 125, 126, 140, 148, 176, 178, 237, 319, 

 320, 397, 423, 434, 435, 464, 473, 474, 481, 50(1, 

 522, 541, 569, 574, 582, 594, 617, 621, 634, 662, 

 664, 667, 695, 698, 701, 702, 707, 736, 745, 758, 

 763, 765, 768, 812, 819, 821, 823, 826, 833, 845 



Wright, C.E.,cited 771 



Zirkel,F.,alterationof feldspar ingrauite.. 576 

 alteration of hornblende in gran- 

 ite-porphyry 450 



audesite 827 



augite-andesite 480, 481, 836 



basalt ........592,666,730 



carbonic-acid inclusions in quartz 675 



contortions of mica slates 848 



Devonian slates 603 



diabase 810 



different fortns of inclusions in 



quartz and feldspar 26 



diorite of Quenast 805 



feldspar in rhyolito 702 



feldspar-porphyry and rhyolite 



compared 512 



felsitic tufas ....' 596 



ferritic nerdles as coloring mat- 

 ter of rhyoUtes 734 



gabbro 14 



glasi-inc'usions in feldspar 540 



glassy structure of rhyolit s 499, 835 



globuliiic devitrification 813 



gothite in basalt 178 



granite 24,675,076,738,779 



granite-gneiss 160 



granite-porphyry 122,124,491,852 



gronndmass of diorite schist 100 



rhyolite ... 700 



Page. 



Authors, Zirkel, F., haiiy ne in trachyte 568, 598 



hornblende in diorite 646 



propylite 610 



byalomelano tufa 785 



inclusions in quartz 10 



liquid-inclusions in glass of rhy- 

 olite 847 



liquid-inclusions in quartz of dia- 

 base 728 



liquid-inclusions in quartz of rhy- 

 olite 482 



magnetite penetrated by mica. . . 13C 



melaphyr 840 



mica in Archa5an schist 776 



micro-granitic st'ucture of feld- 

 spar-porphyry . . .■ .'. 692 



micro-structure of chalcedony. . . 784 



olivine in basalt 764 



trachyte 169 



orthoclase in trachyte 123 



propylite ...-. 062,679 



quartzpropylito 578 



relation of rhyolite to granite-por- 

 phyry 501 



rhyolite 579, 603 



'structure of orthoclase feldspar . 807 



trachyte 787 



tridymite in basalt 772 



tridymitein rhyolite 1 430 



tourmaline in diorite 058 



zeolite in rhyolito €43 



zircon in gneiss 39'i',507 



Azurite 731 



Bald Mountain, Uinta Range, altitude 312 



Ball Rocks, Grass Cailon, obsidian 784 



Barrel Springs, Green River Eocene 214 



Basalt, Agate Pass 575 



Aloha Peak 781 



Anit/i Peak, (columnar) 179 



Basalt Peak, Pah-tson Mountains "85 



Bastion Mountain 177 



Battle Mountains 672 



Berkshire Caiion 844 



Black Mountain 847 



bombs 819 



breaking through diabase 812 



granite 077 



granite-porphyry 853 



rhyolite 698 



Buffalo Peak, North Park 126 



Cedar Mountains 464 



Clan Alpine Canon 6.-i0 



columnar structure 180 



craters, Humboldt Valley 714 



Diabase Hills, Truckee Range 812 



Egyptian Canon - 593 



Fossil Pass, Pifion Range 560 



Garden Valley 561 



Golconda Pass, Havallah Range 086 



Granite Range 799 



Hansel Mountains 424 



HantzPcak 173 



Hills, Elkhead Mountains 176 



hills. North Park 125 



