| Deposit ID | 10082641 |
|---|---|
| MRDS ID | W060079 |
| Record type | Site |
| Current site name | Minong Mine |
| Geographic coordinates: | -88.7245, 48.08389 (WGS84) |
|---|
Political divisions (FIPS codes)
Keweenaw(county)
Michigan(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Lake Richie(quadrangle 1:24,000 scale)
Todd Harbor(quadrangle 1:100,000 scale)
Thunder Bay(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Southern Lake Superior(hydrologic subregion)
Great Lakes(hydrologic region)
Federal lands
Isle Royale National Park(National Park)
National Park NPS(Type of land area)
NPS(Federal land areas administered by NPS)
| Country | State | County |
|---|---|---|
| United States | Michigan | Keweenaw |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Michigan | 066N | 035W | 27 | SE OF SE | Michigan |
| SW OF SE | Michigan | ||||
| NE OF SE | Michigan | ||||
| NW OF SE | Michigan |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Materials | Type of material |
|---|---|
| Copper | Ore |
| Model code | 96 |
|---|---|
| USGS model code | Unassigned |
| Deposit model name | Native Cu |
| Mark3 model number | 99 |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite | ||||
| Rock unit name | Portage Lake Volcanics | ||||
| Rock description | Portage Lake Volcanics | ||||
| |||||
| (1) | -88.7245, 48.08389 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Fissure in brecciated rhyolite overlying Minong basalt flow |
| General form | FISSURE |
|---|
| Operation type | Surface |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1871 |
| Discoverer | Prehistoric copper culture Native Americans |
| Year of first production | 1875 |
| Year of last production | 1883 |
| District name | Keweenaw Copper |
|---|
| Type | Operator |
|---|---|
| Owner | Minong Mining Co |
| Year | 1883 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1875-1883 | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| |||||||||||||||
Lane, A.C., 1898, Upper Peninsula, Isle Royale: Geological Survey of Michigan, v. 6, part 1, 28 p.
Huber, N.K., 1973, Geological map of Isle Royale National Park, Keweenaw County, Michigan: U.S. Geological Survey Miscellaneous Geological Investigations Map I-796, scale 1:62500.
LANE, 1898
| Subject category | Comment text |
|---|---|
| Deposit | NUMEROUS PREHISTORIC WORKINGS. IN 1871, AREA WAS REDISCOVERED. IN 1874 THE MINONG MINING CO WAS ORGANIZED AND IN 1876 A STAMP MILL WAS BUILT. PRODUCTION OCCURRED FROM 1875-1883 |
| Deposit | NUMEROUS PREHISTORIC WORKINGS IN THIS AREA. MAIN WORKINGS WERE ON A 1-3 FEET WIDE VEIN WITH SEVERAL LARGE MASSES OF COPPER (1-6 TONS APIECE) |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1995 | Nicholson, Suzanne | U.S. Geological Survey | |
| Updater | 01-MAR-1997 | Sutphin, D.M. | U.S. Geological Survey | |
| Editor | 01-MAY-1997 | Mason Jr., G.T. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.