Mine detail: White Pine Mine

Previously called '(New) White Pine Mine'

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Location

Lat / long: 46.74361, -89.53398

Resource(M)

Primary: Copper
Secondary: Silver
Ore: Chalcocite, Copper, Silver
Gangue: Quartz, Feldspar, Epidote, Chlorite, Tourmaline, Apatite, Mica
Orebody form: TABULAR
Discovery year: 1937

Production

Operation type: Unknown
Deposit type: Disseminated, Clastic Sedimentary Rock;
Production size: Large
Development status: Past Producer
Production years: 1879-1881;1915-1920;1953-1995 (DUE TO CLOSE 9/30/95)
First production started: 1945
Last production ended: 1995

Geology

Host rock:Nonesuch Formation
Host type:Shale,Siltstone,Sandstone
Associated rock:Copper Harbor Formation
Associated type:Sandstone
Structure:Iron River syncline, White Pine anticline cuts through mine
Alteration processes:Copper replacement, sandstone bleaching

References

MRDSW002687
DEP10069203
Reference{Deposit:: COPPER RANGE CO., UNPUBLISHED 1968, BEDROCK GEOLOGY MAP OF THE WHITE PINE (SE 1/4) QUADRANGLE, ONTONAGON COUNTY, MICHIGAN. GEOLOGY MAPPED AND COMPILED BY COPPER RANGE EXPLORATION CO., INC., AND BY H. HUBBARD (U.S.G.S.)}{Deposit:: BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: U.S. GEOLOGICAL SURVEY PROF. PAPER 144, 238 P.}{Deposit:: WILBAND, J.T., 1978, THE COPPER RESOURCES OF NORTHERN MICHIGAN; PREPARED FOR THE U.S. BUREAU OF MINES, CONTRACT NO. J0366067, 66 P.}{Deposit:: STATE OF MICHIGAN TAX COMMISSION, 1946-1974, APPRAISAL OF IRON AND COPPER MINES OF MICHIGAN; COMPILSTATE OF MICHIGAN TAX COMMISSION, 1946-1974, APPRAISAL OF IRON AND COPPER MINES OF MICHIGAN; COMPILED ANNUALLY BY THE STATE TAX COMMISSION AND THE DEPARTMENT OF CONSERVATION, LOCATED AT THE GEOLOGICAL SURVEY DIVISION OF THE DEPARTMENT OF NATURAL RESOURCES, LANSING, MICHIGAN.}{Deposit:: MAUK,J.L., BROWN, A.C., SEASOR, R.W., AND ELDRIDGE, C.S., 1992, GEOLOGY AND STABLE ISOTOPE AND ORGANIC GEOCHEMISTRY OF THE WHITE PINE SEDIMENT-HOSTED STRATIFORM COPPER DEPOSIT: IN T.J. BORNHORST, (EDITOR) KEWEENAWAN COPPER DEPOSITS OF WESTERN UPPER MICHIGAN: GUIDEBOOK FOR THE SOC. ECON. GEOL., FIELD CONF. OCT. 20-23, 1992, GUIDEBOOK SERIES, VOL. 13, P. 63-99.}{Deposit:: JOHNSON, A.M., AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, ONTONAGON COUNTY, P. 261-264, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.}{Reserve-Resource:: 1992 ESTIMATES ARE FROM MAUK AND OTHERS, 1992.}
ReporterCox, Dennis P., Nicholson, Suzanne, Sutphin, D.M., Mason Jr., G.T., Anderson, Arlene (M. Gere), Woodruff, Laurel G.