272 GEOLOGICAL SUEVEY OF THE TERRITORIES. > 



Catalogue of rocTcs collected, ^-c, — Continued 



No. 



148 



149 



150 



151-153 



154, 155 



156 



157 



158 



159 



160 



161-163 



164, 165 



166, 167 



168-170 



171-173 



174 



175 



176, 177 



178 



179, 180 



18U183 



184 



185-188 



189-191 



192, 193 



194 



195 



196 



197-200 



201 



202 



203 



204 



205 



206 



207 



208 



209 



210 



211 



212, 213 



214-216 



217-219 



220 



221 



222 



223, 224 



225 



226 



227 



228 



229 



230 



231 



232 



233, 234 



235 



236 



237 



238 



239 



240 



241 



242 



244 



245 



246 



247 



248 



250 



251, 252 



253 



254 



255 



256 



257, 258 



259 



260 



261 



262 



263 



264, 265 



Name. 



Quartz 



Qnartzito ■ 



Ehyolite ■ 



Trachyte 



Obsidian rock 



Trachyte breccia 



Ehyolite(?) 



do 



do 



Trachyte 



Quartz 



Trachyte 



Gneiss 



Trachyte 



Granite 



Chlorite-sohist 



Micaceous gneiss 



Trachyte 



Mottled quartzite 



Porphyritic trachyte 



Ehyolite(?) 



do 



Granite - 



do 



Gray calcareous sandstone 



Red' sandstone 



Micaceous-sandstone shale 



Greenish sandstone 



Trachyte (?) 



Brownish-red sandstone 



Red conglomeritic sandstone 



MarooD -colored sandstone 



Light-purple sandstone 



Coarse gray sandstone 



Coarse greenish sandstone 



Brown sandstone 



Grauite (?) 



Eed calcareous sandstone 



Pink-calcareous sandstone 



"White sandstone, (Cretaceous) 



"White liraestone, (Cretaceous) 



Granite 



do 



do 



Brown calcareous sandstone 



Coarse gray sandstone 



Ked sandstone 



Laminated limestone 



Trachyte (?) 



Calcareous conglomerate 



Metamorphosed argillaceous slate. 

 Green metamorphosed sandstone . 



Conglomerate sandstone 



Trachyte (?) 



Conglomeritic sandstone 



Purplish trachyte 



Light-gray compact limestone 



Glauconitic limestone 



Black limestone 



Calcareous conglomerate 



Cherty limestone 



Purplish-gray limestone 



"White sandstone 



Eed ehaly limestone 



Limestone 



"White sandstone 



Mica-schist 



Eed granite 



Gray trachyte 



Light-gray gneiss - 



Eose quartz 



Gneiss 



Granite porphyry 



(jrray calcareous sandstone 



Coarse red sandstone 



Chloritic schist 



Granite 



Coarse red sandstone '. 



Micaceous sandstene 



rine red sandstone 



Compact red sandstone 



"Wiiite gypsum 



Locality. 



East of La Plata Mountain. 



Do. 



Do. 

 Near Grizzly Peak. 



Do. 



Do. 



Do. 



Do. 



Do. 

 Canon of Lake Creek. 

 Eed Eock Pass. 



Do. 



Do. 



Do. 



Do. 



Do. 

 Eidge South of Eed Eock Pass. 



Do. 

 Head of Spirifer Creek. 

 Eastern Branch of Taylor's Eiver. 



Do. 



Do. 

 Italia Mountain. 

 Eidge east of Italia Mountain. 

 Eidge south of Italia Mountain. 



Do. 



Do. 



Do. 

 Dike on Cascade Creek. 

 Cascade Creek. 



Do. 

 Teocalli Mountain. 



Do. 



Do. 



Do. 



Do. 



Do. 

 East side of East Eiver. 



Do. 



Do. 



Do. 

 Snow-Mass Mountain. 



Do. 



Do. 

 Maroon Mountain. 



Do. 



Do. 



Do. 



Do. 



Do. 

 Near head of Eock Creek. 

 Castle Peak. 



Do. 



Do. 



Do. 

 East Eiver, below Cement Creek. 

 Station 72. 



Do. 



Do. 



Do. 

 Station 73. 



Do. 



Do. 

 Eidge northeast of Station 72. 

 Station 73. 



Do. 



Do. 



Do. 

 Below Station 73, on East Eiver. 

 Union Park, on Gunnison Eiver. 

 Station 76, near head of Eoaring Fork, 

 Station 76. 



Head of Eoaring Fork. 

 Eoaring Pork, near Castle Creek. 

 Station 7,8. 

 Sopris Peak. 



Do. 

 Frying-Pan Creek. 



Do. 



Do. 

 Station 82. 

 Frying-Pan Creek. 



