GEOLOGICAL SURVEY OF THE TERRITORIES. 179 



No. 2.— CATALOGUE OF MINERALS. 



Agate. (See Quartz.) 



Amethyst. (See Quartz.) 



Azurite, (blue carbonate of copper.) lu Ogden Cauou, Utah Territory; 

 near the head of Clarke's Fork of the Yellowstone River, Montana 

 Territory; Little Cottonwood Caiion, Utah Territory; near Virginia 

 City, Montana Territory. 



Amphibole. Treniolite in Bear Creek Caiion, in Madison Range, Montana 

 Territory. Asbestus, near Henry's Lake, Idaho Territory. Horn- 

 blende in syenites, near Ogden, Utah Territory ; on the east side of 

 the Madison River, in Middle Caiion, Montana Territory ; in rocks 

 of the Teton Range, Idaho Territory ; on the east side of Henry's 

 Lake, Idaho Territory ; in slates, near Virginia City, Montana Ter- 

 ritory ; in gneissic rocks, in second caiion of Yellowstone, above 

 Boteler's; in basaltic rocks, near Boteler's, in Yellowstone Valley; 

 in acicular crystals, in rocks on the summit of Mount Washburne, 

 Yellowstone National Park. 



Asbestus. (See Amphibole.) 



Aurichalcite. Little Cottonwood Caiion, Utah Territory. 



Biotite, (black mica.) Granites of Little Cottonwood Caiion ; in basalts 

 of Emigrant Gulch, Montana Territory. 



Calamine, (silicate of zinc) Head of Little Cottonwood Canon, Utah 

 Territory. 



Calcite, (carbonate of lime.) Rhomb-spar in blue limestones, near Ogden, 

 Utah Territory ; in sandstones, near Fort Ellis, Montana Territory; 

 at Cinnabar Mountain and other points of the Yellowstone Valley, 

 associated with agate and quartz in geodes ; in geodes of agate 

 from the East Fork of Yellowstone River; east side of Madison 

 River, in the Middle Caiion, Montana Territory; bluff", opposite the 

 Hot Springs, on Gardiner's River ; canon of Jackass Creek, in 

 Madison Range, Montana Territory. Crystals, yellow, from Colorado 

 Springs, Colorado Territory; Spring Caiion, near Fort Ellis, Mon- 

 tana Territory ; Bridger's Peak, near Fort Ellis, Montana Territory ; 

 east side of Madison River, in Middle Caiion, Montana Territory ; 

 Sawtelle's Peak. Idaho Territory-. Stalactites, from canon on east 

 side of Middle Caiion of Madison River, Montana Territory; from 

 cave at Gardiner's River, Hot Springs, Y'ellowstone National Park. 



Cerrussite, (carbonate of lead.) From head of Little Cottonwood Canon, 

 Utah Territory. 



Cervantite, (oxide of antimony.) From head of Little Cottonwood Canon, 

 Utah Territory. 



Chalcedony. (See Quartz.) 



Chalcopyrite (copper pyrites.) Near Virginia City, Montana Territory ; 

 Clarke's Fork of Yellowstone River, Montana Territory. 



Chlorite. (See Bipidolite.) 



Chrysoprase. (See Quartz.) 



Coal, (Tertiary.) Near Spring Caiion, Fort Ellis, IMontana Territorj' ; six 

 miles above Spring Caiion, in hills head of Trail Creek, Montana 

 Territory ; (Cretaceous,) near Cinnabar Mountain, Montana Terri- 

 tory; poor quality opposite Gardiner's River Springs; on Hunter's 

 River, near Mount Hancock, Yellowstone National. Park. 



Copper, (native.) Near Virginia City, Montana Territory. 



Ci:prite, (red oxide of copper.) Near Virginia City, Montana Territory. 



Epidote. In crystals from the Teton Range, Idaho Territory. 



