Michigan · Houghton County
Past Producer

Isle Royale

Houghton County, Michigan, United States
CopperSilver
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper, Silver
Commodity typeM
Materials
Other materialsBornite, Calcite, Chalcocite, Chalcopyrite, Chlorite, Copper, Epidote, Hematite, Laumontite, Plagioclase, Prehnite, Pyroxene, Quartz, Sericite, Silver
Economic & production
Development statusPast Producer
First production1853
Discovery year1852
Identification
Deposit ID10267794
RegionNA
Data scoreB
Coordinates47.1003, -88.57675
References
BRODERICK,T.M.,ET AL,1946, RECENT CONTRIBUTIONS TO THE GEOLOGY OF THE MICHIGAN COPPER DISTRICT: ECON. GEOL.,41,P.675-725BUTLER, B.S. AND BURBANK,W.S.,1929, THE COPPER DEPOSITS OFMICHIGAN: U.S.GEOL. SURV., PROF. PAPER 144.CORNWALL,H.R.,RUNNER,J.J.,STROMQUIST,A.,SWANSON,R.H.,WHITE,W.A.,1949,DETAILED GEOLOGIC MAPS OF RECENTLY ACTIVE COPPERMINES, HOUGHTON AND KEWEENAW COUNTIES,MICH. UNPUB. USGS OPENFILE REPORT.EDDY,G.E.,1940,ISLE ROYALE. PRIVATE REPT. MICH. TAX ASSESSORSTATE OF MICHIGAN.HORE,R.E.,1911,THE COPPER INDUSTRY OF MICH. IN MINERAL RESOURCES OF MICH., PUBL.8,GEOL. SERS.6. MICH. GEOL. BIOL. SURVEYHORE,R.E.,1914,MICH.COPPER DEPOSITS. IN MINERAL RESOURCESOF MICH. PUBL. 19., GEOL. SERS.16.MICH. GEOL. BIO. SURVEYKENNEDY,B.B.,1949, ISLE ROYALE PRIVATE REPT. MICH. TAX ASSESSOR, STATE OF MICHIGANNAHKERVIS,J.L.,1906STATE OF MICH., MINES AND MINERAL STATS.GAZETTE PRINT, HOUGHTON, MICHIGAN.HEWETT,G.A.,1899, STATE OF MICH., MINES AND MINERALS STATS:ISHPEMING PRESSES OF IRON ORE PRINTING HOUSE.PARDEE,F.G., 1948, ISLE ROYALE, PRIVATE REPORT MICH. TAXASSESSOR, STATE OF MICHIGAN.WHITE,W.S.,1968, THE NATIVE-COPPER DEPOSITS OF NORTHERN MICHIGAN. IN ORE DEPOSITS IN THE UNITED STATES 1933/1967.J.P.RIDGE, ED. AIME, NY. VOL I, P.303-326VAN HISE & LEITH 1911 US GEOL SUR MONOGRAPH 52, P577, MAP49