846 DEPARTMENT OF THE INTERIOR 



2 GEORGE V., A. 1912 



Fossils :— Page. 



Beltian (Altyn formation) 65 



Belton, Montana 183 



Cretaceous. (Pasayten series) 485ft'., 800ff. 



Dearborn river, Montana ; 184 



Devonian 111,115 



Mesozoic, Rossland mountains 322 



Mississippian 113 



Missoula, Montana 184 



Mount Bosworth 185 



Mount Stephen 185 



Nyack Creek, Montana 183 



Oligoeene (Kettle River formation) 397 



Siyeh formation 181 



Tertiary (Huntingdon formation) 520 



(Kishenehn formation) 87 



Triassic (Cultus formation) . . . 517 



Wigwam formation 103 



Fossils, first calcareous 643ff. 



Foundering of batholithic roofs 709, 778 



Fraser delta, Pleistocene 596 



Front Range syncline 601 



Funafuti atoll 663 



G 



Gabbro 212, 214, 218, 337, 434, 435, 523, 543 



■ — , abnormal 224, 233 



Galton-MacDonald horst._ 601 



Galton range " 30 



, stratigraphy and structure of 97,117 



series 47,97 



-, columnar section of 97 



Gas, natural, and petroleum 91 



Gas-fluxing 711 



Gateway formation 107,136 



— , columnar section of.. 107-108 



Gautier, A . . 765 



Geikie, A 713, 720 



Geosynclinal, use of term 48 



, origin of 574 



Gibbs, G 5 



Gilbert, G. K , 636, 717 



Girty, G. H 3, 111, 510,512, 515, 521 



Glacial striae 588,589,593 



Gleichenda 487,816 



■ gilbert-thorn psoni 322,487,813 



Glyptostrobus 487, 819 



Gold range 23,37 



Goodchild, J. G 766 



Grain of dolomite and limestone.. ..53. 58, 60, 61, 62, 74, 76, 78, 98, 127, 134, 146, 262, 670 



Grain of quartzite 67, 70, 123, 127, 129, 155, 157, 167 



Grand Forks group 378 



Granite 284, 296, 302, 303, 345, 348, 354, 380, 445, 446, 456, 459, 461, 465, 475, 537, 542 



, abnormal 228, 232, 283, 784 



, origin of 255,760 



Granite porphyry 315, 349, 362, 365, 543 



Granodiorite 347, 386, 392, 439, 445, 456, 524, 539 



, origin of ■ 785 



■ ■ of Cordillera, average composition of 538 



Gravels, auriferous 589 



Gravitative differentiation 247, 253, 302, 462, 475, 771, 782 



