| Deposit ID | 10243049 |
|---|---|
| MAS/MILS ID | 0260610050 |
| Record type | Site |
| Current site name | Baltic |
| Point of reference | Main Entrance |
|---|---|
| Geographic coordinates: | -88.62945, 47.0644 (WGS84) |
| Elevation | 323 |
| Location accuracy | 10(meters) |
Political divisions (FIPS codes)
Houghton(county)
Michigan(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
South Range(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 | Houghton |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Michigan | 054 N | 034 W | 21 | NWSENW | Michigan |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Materials | Type of material |
|---|---|
| Bornite | Unknown |
| Calcite | Unknown |
| Chalcocite | Unknown |
| Chlorite | Unknown |
| Copper | Unknown |
| Epidote | Unknown |
| Hematite | Unknown |
| Magnetite | Unknown |
| Orthoclase | Unknown |
| Plagioclase | Unknown |
| Pyroxene | Unknown |
| Quartz | Unknown |
| Main Entrance (1) | -88.62945, 47.0644 |
|---|
| Strike | N60E | ||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dip | 70N | ||||||||||||||||||||||||||||||||||||||
| Thickness | 6M | ||||||||||||||||||||||||||||||||||||||
| Length | 1829M | ||||||||||||||||||||||||||||||||||||||
| Width | 1143M | ||||||||||||||||||||||||||||||||||||||
| Depth to top | 1M | ||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||
| Area | 45HA | ||||||
|---|---|---|---|---|---|---|---|
| |||||||
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1882 |
| Year of first production | 1898 |
| District name | Michigan Native Copper Belt |
|---|
| Type of mineral rights | Fee Ownership |
|---|---|
| Type of mineral rights | Minerals Only |
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | Copper Range Co. |
| Interest | 100 |
| Home office | New York |
| Year | 1978 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0260610050 |
USGS (1946), TOPOGRAPHIC MAP OF SOUTH RANGE QUADRANGLE, HOUG
GHTON COUNTY, MICHIGAN, 7.5 MINUTE SERIES : UNITED STATES
DEPARTMENT OF THE INTERIOR GEOLOGIC SURVEY.
WHITE,W.S. (1968), THE NATIVE-COPPER DEPOSITS OF NORTHERN
MICHIGAN: IN ORE DEPOSITS OF THE UNITED STATES, 1933-1967.
RIDGE,J.D.-EDITOR, VOL.1: THE AMERICAN INSTITUTE OF MINING,
METALLURGICAL, AND PETROLEUM ENGINEERS, INC, NEW YORK.
BRODERICK,T.M., HOHL,C.D.,EIDEMILLER,H.N. (1946), RECENT CON
TRIBUTIONS TO THE GEOLOGY OF THE MICHIGAN COPPER DISTRICT:
IN ECONOMIC GEOLOGY AND THE BULLLETIN OF THE SOCIETY OF ECON
OMIC GEOLOGISTS, VOL.XLI.
BUTLER,B.S., BURBANK,W.S. (1929), THE COPPER DEPOSITS OF
MICHIGAN: USGS PROFFESSIONAL PAPER 144.
CORNWALL,G.R., RUNNER,J.J., STROMQUIST,A.A., SWANSON,R.W.,
WHITE,W.A. (1949), DETAILED GEOLOGIC MAPS OF RECENTLY ACTIVE
COPPER MINES, HOUGHTRON AND KEWEENAW COUNTIES, MICHIGAN:
UNITED STATES GEOLOGICAL SURVEY.
HORE,R.E. (1914),MINERAL RESUORCES OF MICHIGAN:ANNUAL REPORT
OF THE BOARD OF GEOLOGICAL AND BIOLOGICAL SURVEY FOR 1914.
PUBL. 19 GEOLOGICAL SERIES 16.
ALLEN,R.C. (1910), MINERAL RESOURCES OF MICHIGAN: ANNUAL
REPORT OF THE BOARD OF GEOLOGICAL AND BIOLOGICAL SURVEY FOR
1911. PUBL. 8 GEOLICAL SERIES 6.
SCHACHT,W.H. (1922) THE MINING METHODS OF THE COPPER RANGE
COMPANY, HOUGHTON COUNTY, MICHIGAN: PROCEEDINGS OF THE LAKE
SUPERIOR MINING INSTITUTE TWENTY-SECOND ANNUAL MEETING (MICH
IGAN COPPER DISTRICT) HELD AT HOUGHTON, MICHIGAN, AUG 28,29,
30, 1922.
GREGORY,C.E. (1973), APPENDIX D WEIGHTS OF VARIOUS ROCK MAT
ERIALS: IN EXPLOSIVES FOR NORTH AMERICAN ENGINEERS: SERIES
ON ROCK AND SOIL MECHANICS, VOL.1 NO.4.
PARDEE,F.G. (1929,1930,1931,1932), PRIVATE REPORT TO THE
STATE TAX ASSESSOR ON THE BALTIC MINE: STATE OF MICHIGAN
| Subject category | Comment text |
|---|---|
| Deposit | RESEARCH CONTRACT J03660067,AUGUST,1976-APRIL 30,1978, PRIN CIPLE INVESTIGATOR-JOHN T. WILBAND-MICHIGAN STATE UNIVERSITY 4 JAN./78-REC 010 FIELD 22-24. THE COPPER SULFIDES MINED AT THE BALTIC MINE WERE CHALCOCITE AND BORNITE;,BOTH OF WHICH WERE MINED ALMOST EXCLUSIVELY FROM FISSURES. 4JAN./78-RECORD 060 FIELD 51-53. BALSALT IS AMYGDALOIDAL AT THE TOPS OF FLOWS. SOME FLOW TOPS ARE FRAGMENTAL AND SERVED AS MINERAL SOLUTION CHANNELS. 4JAN./78-RECORD 060 FIELD 56-58. CONGLOMERATE IS A FELSITE PEBBLE TO COBBLE CONGLOMERATE WITH SANDY AND SILTY LENSES. THE MINED HORIZON CONTINUES TO THE SOUTHWEST AS FAR AS THE CHAMPION MINE. 4JAN./78-RECORD 080 FIELD 63-68. A SHAFT HAS BEEN SUNK TO THE DEPTH OF 1143 METERS, BUT THE TOTAL WIDTH OF THE LODE IS UNKNOWN. 4JAN./78-RECORD 030 COL.47. REFERENCE POINT INDICATED IS THE MIDDLE HEADFRAME OF 5 ON THE SOUTH RANGE QUADRANGLE (1946). REVIEWED AND REVISED IN MARCH, 1978 |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 27-FEB-1984 | Michigan State University | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.