Mine detail: Grant Mine

Previously called 'Ole Mine'

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Location

Lat / long: 47.92266, -114.60155

Resource(B)

Primary: Silver, Gold
Secondary: Lead, Barium-Barite
Ore: Argentite, Barite, Beidellite, Beudantite, Latite
Gangue: Alunite
Orebody form: IRREGULAR
Discovery year: 1928

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
First production started: 1964

Geology

Host rock:Ravalli Group
Host type:Argillite
Associated rock:Porphyritic Latite
Associated type:Latite
Structure:West Of Rocky Mountain Trench, Joints In The Latite And In Country Rock At Contacts
Alteration processes:Formation Of Silica, Pyrite, Kaolinite, And Alunite

References

MRDSW026536
DEP10078280
Reference{Deposit:: JOHNS, W. M., 1970 , GEOLOGY AND ORE DEPOSITS OF LINCOLN AND FLATHEAD COUNTIES; MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY, BULLETIN 79 , P. 140 - 142.}{Deposit:: SHENON, P. J., AND TAYLOR, A. V., JR., 1936 , GEOLOGY AND ORE OCCURRENCE OF THE HOG HEAVEN MINING DISTRICT, FLATHEAD COUNTY, MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY MEMOIR 17 , 26 P.}{Deposit:: SHENON, P.J., AND TAYLOR, A.V., JR., 1936, GEOLOGY AND ORE OCCURRENCE OF THE HOG HEAVEN MINING DISTRICT, FLATHEAD COUNTY, MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY MEMOIR 17.}{Deposit:: JOHNS, W.M., SMITH, A.G., BARNES, W.C., GILMOUR, E.H., AND PAGE, W.A., 1963, PROGRESS REPORT ON GEOLOGIC INVESTIGATIONS IN THE KOOTENAI-FLATHEAD AREA, NORTHWEST MONTANA, NO. 5, WESTERN FLATHEAD COUNTY AND PART OF LINCOLN COUNTY: MONTANA BUREAU OF MINES AND GEOLOGY BULLETIN 36.}{Deposit:: JOHNS, W.M., 1970, GEOLOGY AND MINERAL DEPOSITS OF LINCOLN AND FLATHEAD COUNTIES, MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY BULLETIN 79.}{Deposit:: 1929 RECON MBMG, MEM. NO. 17}{Deposit:: 1962 GEOLMAP MBMG BULLS. 36 , 79}{Production:: JOHNS, 1970 , MONT. BUREAU OF MINES AND GEOL. BULL. 79 , P. 141}
ReporterJohns, Willis M.; R. B. Berg