Commodities
PrimaryGold, Silver
SecondaryCopper, Zinc
Commodity typeM
Deposit
Deposit sizeY
WorkingsUnknown
Orebody formTABULAR
Ore controlNortherly Trending Shear Zones
Materials
Ore mineralsHessite, Sylvanite
GanguePyrite, Quartz
Geology
Host rockSyenite · Metamorphic Pre-Belt-Slate
Associated rockSyenite · Syenite Porphyry
Tectonic settingWithin Laccolithic Intrusives
Economic & production
Development statusPast Producer
First production1893
Discovery year1894
Identification
Deposit ID10042797
MRDS IDM060832
RegionNA
Data scoreB
Coordinates47.93715, -108.61996
References
DYSON, J.L., 1939, RUBY GULCH GOLD MINING DISTRICT, LITTLE ROCKY MOUNTAINS: ECON. GEOL., V. 34, NO. 2, P. 201-213EMMONS, W.H., 1908, GOLD DEPOSITS OF THE LITTLE ROCKY MOUNTAINS, MONTANA: USGS BULL. 340, P. 96-116.KNECHTEL, M.M., 1959, STRATIGRAPHY OF THE LITTLE ROCKY MOUNTAINS AND ENCIRCLING FOOTHILLS, MONTANA: USGS BULL. 1072N. P. 723-7521907 RECON EMMONS, W.H., USGS BULL. 3401921 GEOLMAP KNECHTEL, M.M., USGS BULL. 1072NOME FILES