Mine detail: Ima Mine

Previously called 'Blue Wing-Ima MineIdaho TungstenTungsten GateIdaho Tungsten Nos. 1-4 and 6-11'

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Location

Lat / long:

44.5328, -113.6911

Resource(M)

Primary:	Tungsten, Zinc, Silver
Secondary:	Lead, Copper, Gold
Tertiary:	Molybdenum
Ore:	Anglesite, Bornite, Cerargyrite, Chalcocite, Chalcopyrite, Covellite, Cuprite, Galena, Huebnerite, Malachite, Molybdenite, Pyromorphite, Scheelite, Sphalerite, Tetrahedrite
Gangue:	Calcite, Fluorite, Limonite, Microcline, Muscovite, Pyrite, Quartz, Rhodochrosite, Siderite, Mica, Orthoclase
Orebody form:	LINEAR, IRREGULAR, LENTICULAR, PINCH & SWELL, TABULAR
Discovery year:	1881

Production

Operation type:	Underground
Deposit type:	Vein
Production size:	Medium
Development status:	Past Producer
First production started:	1900

Geology

Host rock:	Belt Supergroup
Host type:	Slate,Quartzite
Associated rock:	Granite
Associated type:	Granite

References

MRDS	W015795
MAS	160590002
DEP	10071993
Reference	{Deposit:: Umpleby, J. B., 1913, Geology And Ore Deposits Of Lemhi County, Idaho: USGS Bulletin 528, 182 P.}{Deposit:: Cook, E. F., 1956, Tungsten Deposits Of Southcentral Idaho: Idaho Bureau Of Mines And Geology Pamphlet 108, 40 P.}{Deposit:: 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.}{Deposit:: Anderson, A. L., 1948, Tungsten Mineralization At The Imamine, Blue Wing District, Lemhi County, Idaho: Econ. Geol., V43, No. 3, P. 181-206.}{Deposit:: 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.}{Deposit:: Callaghan, Eugene, And Lemmon, S.W., 1941, Tungsten Resources Of The Blue Wing District, Lemhi County, Idaho: USGS Bulletin 931-A, P. 1-21.}{Deposit:: Livingston, D. C., 1919, Tungsten, Cinnabar, Manganese, Molybdenum, And Tin Deposits Of Idaho: Univ. Of Idaho Bulletin No. 2, V. 14, 72 P.}{Deposit:: Idaho Department Of Labor And Industrial Services, 1975, First Annual Report Addendum, 1974-1975, 95 P.}{Deposit:: Bell, R. N., 1917, Eighteenth Annual Report Of The Mining Industry Of Idaho For The Year 1916}{Deposit:: V.E. Mitchell, Et. Al; Mines And Prospects Map Series, 1981, Dubois Quad, Location No. 323 and 331}{Deposit:: Geological Society Of America Bulletin V 58, No 12, P 1085-1160}{Deposit:: U.S. Bureau Of Mines Open-File Report MLA 6-91, 1991, Table A-2, 14 No. 268, P. 170.}{Deposit:: Bradshaw, Expl Ima Northwest Mine Association}{Deposit:: DMEA Report Contract Idm E-41}{Deposit:: DMEA Report Contract Idm E-427}{Deposit:: Lemmon, D.M., Unpublished Data.}{Deposit:: Lemmon, D.M. And Tweto, O.L., 1962, Tungsten In The U.S., USGS Map, Mr-25.}{Deposit:: Anderson, A.L., 1948, Econ. Geol., Vol. 43, No. 3, P. 181.}{Production:: Callaghan, E., And Lemmon, D. M., 1941, USGS Bulletin 931-A}{Production:: Hobbs, S. W., 1964, Idaho Bureau Of Mines And Geology Spec. Rept. No. 1}{Production:: Bell, R. N., 1917, Mining Industry Report For 1916}
Reporter	Siefken, Robert R. (Miller, Pat), Elliott, James E., Mosier, Dan, King, Robert U., Sokaski, Meier, M. Lorrie, Western Field Operations Center (WFOC)