| Deposit ID | 10146214 |
|---|---|
| MAS/MILS ID | 0260830002 |
| Record type | Site |
| Current site name | Minor Conglomerates No. 1 |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -88.40425, 47.2817 (WGS84) |
| Elevation | 275 |
| Location accuracy | 1000(meters) |
Political divisions (FIPS codes)
Houghton(county)
Michigan(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Ahmeek(quadrangle 1:24,000 scale)
Hancock(quadrangle 1:100,000 scale)
Hancock C(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Keweenaw Peninsula(hydrologic unit)
Southcentral Lake Superior(hydrologic accounting unit)
Southern Lake Superior(hydrologic subregion)
Great Lakes(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Michigan | Keweenaw |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Materials | Type of material |
|---|---|
| Calcite | Unknown |
| Chlorite | Unknown |
| Copper | Unknown |
| Microcline | Unknown |
| Prehnite | Unknown |
| Quartz | Unknown |
| Ore Body (1) | -88.40425, 47.2817 |
|---|
| Thickness | 6M | ||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Length | 3700M | ||||||||||||||||||||||||||
| Width | 7620M | ||||||||||||||||||||||||||
| Depth to top | 0M | ||||||||||||||||||||||||||
| |||||||||||||||||||||||||||
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| District name | Superior |
|---|
| Type of mineral rights | Fee Ownership |
|---|
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | Universal Oil Products |
| Home office | Illinois |
| Year | 1973 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0260830002 |
AASE, JAMES H, MICHIGAN NATIVE-COPPER AVAILABILITY STUDY, RE
& RESOURCE PORTION OF UNPUBLISHED BUMINES STUDY, 1970,
(SOURCE OF RESERVE & RESOURCE DATA, HAS DIAGRAMS OF ORE
BECHTEL CORP, PRELIMINARY ENGINEERING & FEASIBILITY STUDY FO
HILLS CREEK PROJECT, FOR CALUMET & HECLA, INC., 1966.
(CONFIDENTIAL SOURCE OF SOME MILL & MINE COSTING DATA U
6000 TPD MILL & MINE MODELS IN BUMINES IC 8598)
BENNETT,H J, ET AL, AN ECONOMIC APPRAISAL OF THE SUPPLY OF C
FROM PRIMARY DOMESTIC SOURCES, BUMINES IC 8598, PP 15-1
96-97. (SOURCE OF MODEL MINE & MILL COSTS & DESIGN, W
WERE SCALED UP TO THE SIZE OF THIS PROPERTY)
JOHNSON, GUY A, MICHIGAN NATIVE COPPER AVAILABILITY STUDY, C
PORTION OF UNPUBLISHED BUMINES STUDY, 1970, 30 P. (SO
OF MINE DESIGN & SOME MINE COSTING INFORMATION USED IN
IC 8598, HAS MINE DESIGN ILLUSTRATIONS NOT IN IC)
WHITE, W S, THE NATIVE COPPER DEPOSITS OF NORTHERN MICHIGAN,
DEPOSITS OF THE U.S., 1933-1967, AIME, 1968, PP303-326.
(GENERAL DESCRIPTION OF DISTRICT, PLUS DETAILED BIBLIOG
MATHEWS, A. A., INC. CAPITAL AND OPERATING COST ESTIMATING S
FOR MINING AND BENEFICIATION OF METALLIC AND NONMETALLIC MIN
EXCEPT FOSSIL FUELS IN THE UNITED STATES AND CANADA. U.S.B.M
CONTRACT NO. JO255026. JULY 1975 299 PP.
BAER,R.,ET.AL. MAS SUMMARY FILE REPORTS. BUMINES I.F.O.C.
DENVER,CO. 1976.
BRODERICK,T.N.,AND C.D. HOHL. THE MICHIGAN COPPER DISTRICT
CHAP. IN COPPER RESOURCES OF THE WORLD,INTERNAT.GEOL.
CONG., WASHINGTON,D.C.,1935,PP271-284.
BROOKS,T.S.,R. PUPELLY, AND C.ROMINGER. UPPER PENINSULA,
1869-1873. GEOL SURVEY OF MICHIGAN, V.1, 567PP.
BUTLER,B.S.,AND W.S.BURBANK. THE COPPER DEPOSITS OF MICH.
USGS PROF. PAPER NO. 144, 1929, 238PP.
HUBBARD,H.A. LOWER KEWEENAWAN VOLCANIC ROCKS OF MICHIGAN AND
WISCONSIN. USGS J. RES., V.3, NO.5,1975, PP529-541.
MATHEWS,A.A.,INC. CAPITAL AND OPERATING COST ESTIMATING
SYSTEM HANDBOOK. BUMINES CONTRACT NO.J0255026,FINAL ED.
1977, 374PP.
WEEGE,R.J.,AND J.P. POLLOCK. EXPLORATION METHODS IN THE
COPPER COUNTRY, KEWEENAW PENINSULA, MICH. NEVADA BUREAU
OF MINES RPT. 13,PART C,1966,PP.51-61.
WEEGE,R.J.,ET AL. THE GEOLOGY OF TWO NEW MINES IN THE NATIVE
COPPER DISTRICT OF MICHIGAN. ECON GEOL. V67,1972, PP622-
633.
WILBAND,J.T. THE COPPER RESOURCES OF NORTHERN MICH. BUMINES
CONTRACT NO. J0366067, UNPUB. FINAL RPT.,1978, 66PP.
WILBAND,J.T. STUDY TO EVALUATE THE COPPER AND SILVER DEPOSIT
IN THE STATE OF MICHIGAN. BUMINES CONTRACT NO. J0366067
UNPUB. DEPOSIT FILES,1978;FILES STORED AT E.F.O.C.
| Subject category | Comment text |
|---|---|
| Deposit | COPPER TONNAGES & GRADES FROM AASES REPORT, SEE REFERENCES. ALL OTHER % P VALUES GENERATED FROM 50% P TONNAGE (CUMULATIVE OF ALL MEASURED, INDICATED & INFERRED RES DOWN TO THE 7800 FT LEVEL FOR THAT ORE GRADE SHOWN). HARD-COPY BACKUP-FILE FOR DETAILS. MINING METHOD PROPOSED - CUT & FILL WITH 90% RECOVER DESIGN BASICALLY THAT PROPOSED BY JOHNSON, SEE REFER MINE DESIGNED TO EXTRACT DOWN TO THE 7800 FT LEVEL ( THE 110 DEGREE F. LIMIT. MINE LIFE 15 YEARS FOR 4 PRODUCTION AND CAPITAL COSTS COMPUTED BY SCALING UP TPD MINING OPERATION DESCRIBED IN BUMINES I.C. 8598, 83. SEE HARD-COPY BACKUP FILE FOR SPECIFIC CALCULAT MICHIGAN NATIVE-COPPER COSTING-BACKUP FILE FOR MORE SIVE DESCRIPTION OF COSTING METHODOLOGY THAN IS IN I REC-151 MILLING CONSISTS OF A FLOTATION SYSTEM WITH AN ADDED GING SECTION AS DESCRIBED IN IC 8598, P. 96-97. CONC CONTAINS 52% CU. PRODUCTION & CAPITAL COST SCALED U 6000 TPD MILLING OPERATION DESCRIBED IN IC. FOR DET SEE HARD-COPY BACKUP FILES CITED ABOVE. ESTIMATED CAPITAL COSTS - AS OF 1970 - FOR EACH OF 4 MINES MINE - ACQUSITION $ 350 - EXPLORATION 1,416 - DEVELOPMENT 20,113 - EQUIPMENT $ 8,140,099 & PLANT 8,043 - WORKING CAPITAL 6,157 MILL - PLANT & EQUIPMENT 21,682 - WORKING CAPITAL 1,275 PREPRODUCTION PERIOD IS 7 YEARS, CALCULATED BY L MOORE, SEE NATIVE-COPPER COSTING BACKUP FILE FOR DETAILED BREAKDOWN RECORDS 010, 101-115,120,151 REVIEWED &/OR COMPLETED, COMMEN REFERECES ADDED BY R BAER 1/76, EXCEPT COSTING REVISED B J LEMONS & R STECKLEY 1/76. MAY 1977 / MODIFICATIONS MADE TO SYSTEM & DETAILED BELOW NUL MMENT RECORDS 805 - 828 ABOVE. (E.F.O.C., 7500 MT/DAY MINE IS COSTED USING 1975 MATHEWS CON CAPITAL COST ASSUMES 3 SHIFTS, 90 DAYS WORKING CAPITAL M-M3/DAY X 1000 WATER PUMPED, HEAVY CLEARING OF 3 LEVE RES, 10 M2 X 200 M STOPES, 4 COMPARTMENT SHAFT 30 M2 X , EXPLORATION DRILLING $80/M, & 5 KM ACCESS ROAD. CAPITAL COSTS ARE --- (JULY 1975 DOLLARS) --- - EXPLORATION $ 2,647,600 - DEVELOPMENT $ 6,016,400 - EQUIPMENT $ 2,821,000 - PLANT $20,604,600 - WORK. CAP. $ 9,720,500 OPERATING COST ASSUMES 10 M2 DRIFTS FOR RAIL HAULAGE, LOCOMOTIVES, 7.5 M2 RAISES, INCREASE SHAFT DEPTH AS MI OGRESSES, BOTH SIDES RAISE MINED, 5 M3 AIR/TON ORE VEN N, & 0.135 M3 WATER SUPPLY/MT PRODUCTION. COLUMNS 64 - 74, TOTAL COSTS HAVE BEEN UPDATED BY BLS O DECEMBER 1976 COSTS. REC 151 / CAPITAL COST ASSUMES CRUSHING TO 3/8 INCH, GRIND T ESH, WATER USED IS 75 % RECLAIMED (3.5 MT/MT ORE), 1 K TO TAILINGS POND, HEAVY CLEARING OF 3 LEVEL HECTARES, ED FINE ORE BINS, & 90 DAYS WORKING CAPITAL. CAPITAL COSTS ARE (JULY 1975 DOLLARS) --- - PLANT & EQ. $ 14,276,600 - WORK. CAP. $ 1,598,500 OPERATING COST ASSUMES 60 % CU IN CONCENTRATE, 50% WAT R THICKENING & 7 % AFTER FILTRATION. COLUMNS 70 - 80, TOTAL COSTS ARE UPDATED BY BLS INDICE CEMBER, 1976 COSTS. REC 160 / TRANSPORTATION COST IS $ 0.94/MT. FOR 23 KM TRIP T ER. COMMENTS ADDED ON 6/27/ 78, E.F.O.C., DURING THE MAS STUDY TO RE-EVALUATE THE NATIVE COPPER DEPOSITS OF MICHIGAN: THE DEPOSIT WAS DOWN-GRADED FROM A C- TO AN R-TYPE DEPOSIT BECAUSE OF THE LACK OF SPECIFIC INFORMATION ON LOCATION, DEPOSIT DIMENSIONS, AND GEOLOGY. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 27-FEB-1984 | Drescher, Theodore A. | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.