Mine detail: Dewey Mine

Previously called 'Dewey HillDewey DomeDewey-SunnysideGolden Reef'

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Location

Lat / long: 44.95768, -115.14565

Resource(M)

Primary: Gold
Secondary: Silver
Tertiary: Titanium
Ore: Anatase, Ilmenite, Pyrargyrite, Rutile
Gangue: Chalcedony, Clinoptilolite, Fluorite, Goethite, Jarosite, Kaolinite, Montmorillonite, Zircon
Discovery year: 1894

Production

Operation type: Surface
Development status: Past Producer

Geology

Host rock:Challis Volcanics
Host type:Clastic Sedimentary Rock,Rhyolite,Sandstone,Volcanic Breccia (Agglomerate)

References

MRDSW013899
MAS160850154
DEP10144753
Reference{Deposit:: CATER, F. W., AND OTHERS, 1973, MINERAL RESOURCES OF THE IDAHO PRIMITIVE AREA AND VICINITY, IDAHO: U. S. GEOLOGICAL SURVEY BULL. 1304, 431 P.}{Deposit:: SHENON, P. J., AND ROSS, C. P., 1936, GEOLOGY AND ORE DEPOSITS NEAR EDWARDSBURG AND THUNDER MOUNTAIN, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 44, 45 P.}{Deposit:: USBM, 1975, ACTIVITY OF IDAHO MINING PROPERTIES 1974, USBM, BOISE, IDAHO, 61 P.}{Deposit:: ROSS, C. P., 1927 , ORE DEPOSITS IN THE TERTIARY LAVA IN THE SALMON RIVER MOUNTAINS, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 25 , 20 P.}{Deposit:: 1927 OTHER IDAHO BUREAU OF MINES AND GEOLOGY PAMPH 25}{Deposit:: 1936 RECON IDAHO BUREAU OF MINES AND GEOLOGY PAMPH 44}{Deposit:: RANDOL MINING DIRECTORY, 1994/95, U.S. MINES & MINING COMPANIES, P269.}{Deposit:: AMERICAN MINES HANDBOOK, 1997, PP. 263, 271.}{Production:: SHENON, P. J., AND ROSS, C. P., 1936, IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 33, P. 38.}{Reserve-Resource:: MINERAL RESOURCES OF THE IDAHO PRIMITIVE AREA AND VICINITY, IDAHO, GEOLOGICAL SURVEY BULLETIN 1304, 1973, PG. 60-61, AND 68-76.}{Reserve-Resource:: RANDOL MINING DIRECTORY, 1996/97, U.S. MINES & MINING COMPANIES, P195.}{Reserve-Resource:: AMERICAN MINES HANDBOOK, 1997, P 271.}
ReporterMiller, Pat J., Buckingham, David A.