408 



INDEX. 



Page. 



Basalt, quartz in 390,393 



relative age 276 



Basalt Peak, basalt 386 



Basaltic glass 259 



Becker, G. F., on olirino in basalt 257 



propylite 279 



p\ roxene-audesites in California 261 



Bennett Spring, section 187 



1 lit';. real ion of Hoosae fault - 16 



Biotite in andesitic pearlito and dacite 370 



granite 337,338 



granite-porphyry 340 



hornblonde-mica-audesite 366 



pyroxenc-andrsite 359, 363 



rbyolite 376 



Bismuth on 1'rospect Kidge 313 



Blair. Andrew A., analysis of granite-porphyry 



Bold Bluff, description 160 



Bouncy. T.O.. secondary enlargement ol' quartz, 347 



British Ainrricu. Paleozoic rocks of 208 



Browns Canyon 13" 



Bullion product " 



Buusen. Robert, origin of lavas 273, 275 



C. 



Calcareous beds at Eureka 178 



Hhalr. base of Hamburg limestone 44 



Cambrian and Silurian Hocks !{4 -<i- 



species. commingling of 48, 5U 



fauna 41-47 



on Koundtop Mountain 112 



in British America 208 



rocks. Prospect Kidge : 34 



st-clioiis. comparisons of 117 



Carbon Kidue 172 



audesitie pearlitc and dacit'e south of ... 368 



and Spring Hill group 28, 165 



slructurc 30 



Carboniferous at l^uartz Peak 197 



block, depressed body 28 



coal 95 



fauna at Quartz Peak 199 



movement iu 203 



Kocks 84-98 



species, commingling of 88 



thickness 13, 84 



Caribou Hill 21 



Kureka quart /He 54 



Pogonip fauna 53 



Carlsbad twins of plagioclase, optical properties of. ..360, '''>'.', 



Carson Lake, altitude 1 



Castle Mountain 23 



Silurian limestone 121 



Century Peak Kidge ''>- 



I Vrcoearpns licdilblius 4, 24 



Chalcedony in andesite 234 



('barter Tunnel 35, 100 



Chazy fauna 50 



Chemical composition of granite. porphyry 226, 228 



lavas 290 



< 'helming fossils at Kurcka 71, 80, 89 



I 'l.issilicat ion of lavas 233, 290 



Claudet, Fred., analysis of ore 312 



Cliff Hills 154 



and Richmond Mountain compared 155 



plant remains in "White Pine shale 155 



pyroxeue-audesite 23(1, 361 



Page. 

 Coal in Carboniferous ................................. 95, 18! 



Coal-measure fauna overlying coal .................... 98 



Combs Peak, section across ........................ .' . . . 65 



struct ure ................................ 135 



thickness of Devonian ................... 78 



Conical Hill ........................................... 168 



Copper in Ituby Hill ore .............................. 312 



Corals in Century 1'eak Kidge ......................... 152 



Cortex Kangc .......................................... 181 



County Peak region ................................... 147 



section .................................. 67 



across ............................ 68.78 



Crater Cone ........................................... 253 



basalt of .................................. 386 



Cross, Whitman, allauitean accessory mineral ....... 263 



on hypersthenc-andesite ............ 241 



Cross-scction in Phcenix Mine ........................ 306 



Curtis. J. S., course of Ruby Hill fault ............... 303 



minerals on Ruby Hill .................. 311 



silver-lead deposits .................... 292. 301 



D. 

 Dacite ................................................ 368,373 



- a t Dry Lak e .................................... 237 



South Hill ................................... 2.!7 



mineral composition ............................ 236 



physical features ............................... 236 



relation to rhyolite ............................. 250 



IJana, J. D., cited ..................................... 390 



Uawsou, Sir J. William, on Devonian plants .......... 69 



Descriptive Geology .................................. 99-1 74 



Devon Peak, structure ................................ 138 



Devonian and Carboniferous rocks .................... 63-98 



County Peak group ..................... 26 



at Jones Canyon ............................ 125 



Lone Mountain .......................... 74 



\VhitePine... ............... 192 



Yahoo Canyon ........................... 83 



corals in Yahoo Canyon .................... 139 



distribution of ............................. 203. 206 



fauna ....................................... 70 



Atrypa Peak .......................... 76, 125 



Brush Peak ........................... 76 



Combs Peak .......................... 76 



Mt. Argyle ........................... 193 



Newark Mountain .................... 156 



Quartz Peak .......................... 199 



Rescue Hill ........................... 80 



Woodpeckers Peak ................... 78 



in British America ............ . ............ 209 



Devonian, Lower Carboniferous, and Coal-measure spe- 



. cies, commingling of ..................... 87 



plant remains .............................. 69 



rocks ...................................... 62-84 



thickness ............................ 13, 63 



Diamond Mountains .................................. 3, 26, 28 



Peak, altitude ............................... 4 



quartzite at Anchor Peak ............. 146 



The Gate ................ 142,145 



description .................. 85 



evidence of age ............. 85 



thickness ................... 13,85 



structure ............................. 157 



thickness of beds ..................... 158 



Range, west slope ........................... 163 



Differentiation of lavas .................. 267, 269, 287, 289, 290 



Dillur, J.S., quartz in basalt ......................... 263 



