Mine detail: Four Square Mine

Previously called 'Friday MineFlagstaff GroupCrown Point GroupGolden Winnie GroupAchievement MineLucky Winnie Mine'

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Location

Lat / long: 47.62567, -115.90103

Resource(M)

Primary: Lead, Tungsten, Silver, Gold
Tertiary: Zinc, Copper
Ore: Chalcopyrite, Galena, Gold, Scheelite
Gangue: Apatite, Pyrite, Pyrrhotite, Quartz, Tourmaline
Orebody form: RIBBON, IRREGULAR, KIDNEY
Discovery year: 1884

Production

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

Geology

Host rock:Prichard Formation;Burke Formation
Host type:Quartzite,Argillite
Structure:Faults Displace Veins 1 To 20 Ft
Tectonic:Belt Basin
Alteration processes:Some Gouge; Ankerite; Sericite; Chlorite; Silicification

References

MRDSW026628
DEP10078341
Reference{Deposit:: SHENON, P. J., 1938 , GEOLOGY AND ORE DEPOSITS NEAR MURRAY, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 47 , 44 P.}{Deposit:: WESTERN MINING NEWS, APRIL 17 , 1974}{Deposit:: SPOKANE CHRONICLE, MAY 30 , 1974}{Deposit:: USBM, 1975 , ACTIVITY OF IDAHO MINING PROPERTIES, 1974 , USBM, BOISE, 61 P.}{Deposit:: 5) UMPLEBY, J. B., AND JONES, E. L., JR., 1923 , GEOLOGY AND ORE DEPOSITS OF SHOSHONE COUNTY, IDAHO: USGS BULL. 732 , 156 P.}{Deposit:: 6) RANSOME, F. L., AND CALKINS, F. C., 1908 , THE GEOLOGY AND ORE DEPOSITS OF THE COEUR *LENE DISTRICT, IDAHO: USGS PROF. PAPER 62 , 203 P.}{Deposit:: 7) RANSOME, F. L., 1905 , ORE DEPOSITS OF THE COEUR *LENE DISTRICT, IDAHO: USGS BULL. 260 , P. 274 - 303}{Deposit:: 1905 OTHER F. L. RANSOME, BULL. 260}{Deposit:: 1908 GEOLMAP RANSOME AND CALKINS, PROF. PAPER 62}{Deposit:: 1923 GEOLMAP UMPLEBY AND JONES, BULL. 732}{Deposit:: 1938 GEOLMAP IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 47}{Deposit:: 1975 COMPILE USBM, 1974 MINING ACTIVITY}{Production:: SHENON, P. J., 1938 , IDAHO BUREAU OF MINES AND GEOL. PAMPHLET 47 . RANSOME AND CALKINS, 1908 , USGS PP 62}
ReporterMiller, Pat J.