Mine detail: Conjecture Mine

Previously called ''

<< Back to the map

Location

Lat / long: 47.91764, -116.42299

Resource(M)

Primary: Silver, Gold
Tertiary: Antimony, Lead, Zinc, Copper, Tungsten
Ore: Argentite, Boulangerite, Chalcopyrite, Galena, Proustite, Tetrahedrite, Wolframite
Gangue: Pyrite, Quartz, Rhodochrosite
Orebody form: MASSIVE
Discovery year: 1894

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer

Geology

Host rock:Lower Member Wallace Formation-Calcareous Rocks;St. Regis Formation-Siltite And Argillite
Host type:Clastic Sedimentary Rock,Argillite
Structure:Packsaddle Fault To The W; Casade Fault To The E., Faulting; Belt Rocks Strike Generally N, Dip E; Brecciation
Alteration processes:Siliceous; Leaching

References

MRDSW019433
DEP10073378
Reference{Deposit:: SAVAGE, C. N., 1967 , GEOLOGY AND MINERAL RESOURCES OF BONNER COUNTY: IDAHO BUREAU OF MINES AND GEOLOGY COUNTY REPT. 6 , 131 P.}{Deposit:: SAMPSON, E., 1928 , GEOLOGY AND SILVER ORE DEPOSITS OF THE PEND OREILLE DISTRICT, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 31 , 25 P.}{Deposit:: MAC DONALD, D. F., 1906 , ECONOMIC FEATURES OF NORTHERN IDAHO AND NORTHWESTERN MONTANA: U. S. GEOLOGICAL SURVEY BULL. 285 , P. 41 - 52}{Deposit:: KUN, P., 1974 , GEOLOGY AND MINERAL RESOURCES OF THE LAKEVIEW, MINING DISTRICT, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 156 , 47 P.}{Deposit:: 5) SPOKANE CHRONICLE, MAR. 10 , 1967}{Deposit:: 1906 OTHER D. F. MAC DONALD, BULL. 285}{Deposit:: 1920 DIREXPL LAKEVIEW SILVER MINES CO.}{Deposit:: 1928 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 31}{Deposit:: 1951 DIREXPL CONJECTURE MINES, INC.}{Deposit:: 1956 DIREXPL FEDERAL RESOURCES CORP.}{Deposit:: 1967 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY CO. REPT. 6 {{ 1974 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 156}{Production:: KUN, P., 1974 , IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 156 , 47 P. { SAVAGE, C. N., 1967 , IDAHO BUREAU OF MINES AND GEOLOGY CO. REPT. 6}{Reserve-Resource:: SPOKANE CHRONICLE, JUNE 7 , 1971}
ReporterMiller, Pat J.