306 INDEX. 



Page. 

 Tertiary formations — Continued. 



Of t he- 

 Aquarius 288,290,292 



Awapa 273 



Slarliugiuit 1^^9,191,204 



Moraine Valley  270 



Pavaut 170 



Rabbit Valley 273 



Summit Valley 259,207,269 



Table Cliff 2.53,297 



Thousand Lake Mountain 280 



Tnshar 184 



Wasatch Plateau 166 



Uuconlormity with Cretaceous 11,158,280,288,290 



Texture of porphyry 97 



Tnfaccous beds 74 



Volcanic rocks 88,91 



Thousand Lake fault 33,277,279,291,297 



Thousand Lake Mountain 280 



Trachy-dolerite 65 



Trachyte, age of ernptions of 59, 180 



ArgiUoid 104, 193, 229, 239, 241, 242, 261, 265, 268, 269, 270, 272, 274 



Angitic 104, 196, 197, 233, 240, 261, 2a5, 268, 272 



Classificatiou of 101, 104 



Granitoid 104,190,229,230,241,261,265,268,274 



Hornblendic 190,229,240,242,258,260,265,272,295 



Hyaline -. i 104 



Order of sequence 67, 131-137 



Porph,\ ritio 104 



Saniilin 101,268 



Occurring in— 



Aquarius Plateau . 293, 295 



Awapa 274 



Dog Valley 190,212 



Fish Lake Plateau 257,205 



Ililgnrd, Mount 271 



Marktigunt Plateau 196,199 



Marvinc, M(mnt 269 



Sevier Plateau , £9,229,239,241,242 



Sevier Valley 212 



Terrill, Mount 268 



Tushar 177,160,181 



Trachytic obsidian 107, 274 



Trachitic centers of eruption 59 



Triassio (Upper) 20,147 



Circle Cliffs 289 



Escalante Basin 290 



Markaguut • 207 



San Kafael swell 20 



Thousand Lake Mountain 281 



■Water-Pocket fold 287 



Trumbull, Mount 252 



Tufas .57,69,71,192,243,249 



Tiisliar Range, general discussion of (Chap. VLII) 109 



Relations to District of High Plateaus 3 



