Idaho · Lemhi County
Past Producer

Ima Mine

Lemhi County, Idaho, United States
TungstenZincSilverLeadCopperGoldMolybdenum
⌖ Show on mapUSGS source ↗
Description

Ima Consolidated Mining And Milling

Commodities
PrimaryTungsten, Zinc, Silver
SecondaryLead, Copper, Gold
TertiaryMolybdenum
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeM
WorkingsUnderground
Orebody formLINEAR, IRREGULAR, LENTICULAR, PINCH & SWELL, TABULAR
Materials
Ore mineralsAnglesite, Bornite, Cerargyrite, Chalcocite, Chalcopyrite, Covellite, Cuprite, Galena, Huebnerite, Malachite, Molybdenite, Pyromorphite, Scheelite, Sphalerite, Tetrahedrite
GangueCalcite, Fluorite, Limonite, Microcline, Muscovite, Pyrite, Quartz, Rhodochrosite, Siderite, Mica, Orthoclase
Geology
Host rockSlate,Quartzite · Belt Supergroup
Associated rockGranite · Granite
Economic & production
Development statusPast Producer
First production1900
Discovery year1881
Identification
Deposit ID10071993
MRDS IDW015795
Alternate namesBlue Wing-Ima Mine, Idaho Tungsten, Tungsten Gate, Idaho Tungsten Nos. 1-4 and 6-11
RegionNA
Data scoreA
Coordinates44.5328, -113.6911
References
Umpleby, J. B., 1913, Geology And Ore Deposits Of Lemhi County, Idaho: USGS Bulletin 528, 182 P.Cook, E. F., 1956, Tungsten Deposits Of Southcentral Idaho: Idaho Bureau Of Mines And Geology Pamphlet 108, 40 P.Hobbs, S. W., 1964, Mineral Resources-Tungsten, In Mineral And Water Resources Of Idaho: Idaho Bureau Of Mines And Geology Spec. Rept. No. 1, P. 223-233.Anderson, A. L., 1948, Tungsten Mineralization At The Imamine, Blue Wing District, Lemhi County, Idaho: Econ. Geol., V43, No. 3, P. 181-206.Barton, W. P., And Arentz, S. S., 1939, Mining And Milling Tungsten At The Ima Mine: Mining Cong. Jour., V. 25, No. 3, P. 16-19.Callaghan, Eugene, And Lemmon, S.W., 1941, Tungsten Resources Of The Blue Wing District, Lemhi County, Idaho: USGS Bulletin 931-A, P. 1-21.Livingston, D. C., 1919, Tungsten, Cinnabar, Manganese, Molybdenum, And Tin Deposits Of Idaho: Univ. Of Idaho Bulletin No. 2, V. 14, 72 P.Idaho Department Of Labor And Industrial Services, 1975, First Annual Report Addendum, 1974-1975, 95 P.Bell, R. N., 1917, Eighteenth Annual Report Of The Mining Industry Of Idaho For The Year 1916V.E. Mitchell, Et. Al; Mines And Prospects Map Series, 1981, Dubois Quad, Location No. 323 and 331Geological Society Of America Bulletin V 58, No 12, P 1085-1160U.S. Bureau Of Mines Open-File Report MLA 6-91, 1991, Table A-2, 14 No. 268, P. 170.Bradshaw, Expl Ima Northwest Mine AssociationDMEA Report Contract Idm E-41DMEA Report Contract Idm E-427Lemmon, D.M., Unpublished Data.Lemmon, D.M. And Tweto, O.L., 1962, Tungsten In The U.S., USGS Map, Mr-25.Anderson, A.L., 1948, Econ. Geol., Vol. 43, No. 3, P. 181.Callaghan, E., And Lemmon, D. M., 1941, USGS Bulletin 931-AHobbs, S. W., 1964, Idaho Bureau Of Mines And Geology Spec. Rept. No. 1Bell, R. N., 1917, Mining Industry Report For 1916