GEOLOGICAL SURVEY OF THE TERRITOEIES. 187 



Boclcs collected by the Snal'e Eiver division of th-e, expedition, ^^c. — Continued. 



Locality. 



lied sandstone, (Triassic ?) 



Pink sandstone, (Carboniferous ?) 



Sandstone, (Carboniferotis ?) 

 Limestone, (Carboniferous ?) 



"O'hito sandstone 



Trachyte 



Trachyte 



Cellular trachyte 



Porphyritic trachyte - 



Sandstone, (metamorphosed) 



Cavernous trachyte 



Gray trachyte 



Amygdaloidal trachyte- 

 Volcanic tufa 



Sandstone 



Limestone, (laminated) 



Green sandstone, (Pliocene) . 

 Granite 



Micaceous gneiss 



Granitoid gneiss 



Quartz 



(B^ranite 



Chert, (Carboniferous) 



Siliceous limestone, (Pliocene) — 



Calcareous sandstone 



Quartzitic sandstone, (Potsdam 1) 



Slaty trachyte 



White sandstone, (Tertiary) 



Limestone, (Triassic ?) 



Ked sandstone, (Triassic ?) 



Limestone, (Carboniferous) 



Pvhyolite 



Slaty tracbyte 



White quartzitic sandstone, (Carboniferous) 



Eed sandstone, (Tiiassic ?) 



Pink trachytic tuff 



Compact basalt 



Bituminous mud-stone 



GypsifcTous bituminous mud-stone, (fossiliferous) . 



Conglomerate sandstone 



Fine-grained sandstone 



Chert, (Carboniferous) 



Hot-spring deposit 



Slaty trachyte 



Vesicular trachyte 



Porphyritic trachyte 



Magn esian limestone 



Quartzitic sandstone 



Compact limestone 



Brown quartzitic sandstone 



Semi-metamorphosed sandstone. 



Sandstone 



Pink siliceous limestone 



Crinoidal limestone 



Com pact blue limestone 



Fragmental limestone 



Chert 



Purple trachyte 



Vesicular trachyte 



Limestone, (Pliocene) . 

 Limestone, (Jurassic) , 



Glauconitic sandstone, (Quebec) 

 Chert, (Carboniferous) 



f Compact limestone, (Pliocene) . 



Third canon of Snake River, Wyo- 

 ming. 

 Opposite mouth of Union Eiver, 

 Wyoming. 



Do. 



De. 



Do. 



Do. 



Do. 



Do. 

 Head of Fall River, Wyoming. 

 West side outlet of Jackson's Lake, 

 Wyoming. 



Do. 



Do. 



Do. 



Do. 

 Mouth of Buffalo Fork of Snake 



Eiver, Wyoming. 

 Head of Buffalo Fork of Snake 



Eiver, Wyoming. 

 Eidge east of Henry's Lake, Idaho. 

 East side T6ton Mountains, Vfyo- 

 ming. • 



Do. 



Do. 



Do. 



Do. 

 North Gros Ventre Butte, Wyo- 

 ming. 



Do. 



Do. 



Do. 



Do. 

 Gros Ventre Eiver, Wyoming. 



Do. 



Do. 



Do. 

 South GroS Ventre Butte, Wyo 

 ming. 



Do. 

 West side Teton Pass, Wyoming 



Do. 



Do. 



Do. 

 Snake Eiver Canon, Wyoming 



Do. 



Do. 



Do. 



Do. 



Do. 

 Snake Eiver, below mouth of Salt 



Eiver, Wyoming. 

 Snake Eiver, head of upper ba- 

 salt-caiion, Wyoming. 



Do. 

 Swan Valley, Idaho. 



Do. 



Do. 



Do. 



Do. 



Do. 



Do. 



Do. 



Do. 



Do. 



Do. 

 South side of upper basalt-caiion 

 Idaho. 



Do. 

 Near Fort Hall, Idaho. 

 Lincoln Valley, near Fort Hall, 



Idaho. 

 Near Fort Hall, Idaho. 

 Lincoln Valley, Idaho. 



Do. 



