| Deposit ID | 10082642 |
|---|---|
| MRDS ID | W060080 |
| Record type | Site |
| Current site name | Island Mine |
| Geographic coordinates: | -89.0334, 47.91667 (WGS84) |
|---|---|
| Relative position | LOCATED NORTH OF SISKOWIT BAY |
Political divisions (FIPS codes)
Keweenaw(county)
Michigan(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Sugar Mountain(quadrangle 1:24,000 scale)
Grand Portage(quadrangle 1:100,000 scale)
Hancock(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 | 064N | 037W | 29 | NE OF NW | 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 | Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate | ||||
| Rock unit name | Portage Lake Volcanics | ||||
| Rock description | Portage Lake Volcanics | ||||
| |||||
| (1) | -89.0334, 47.91667 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Syncline |
| Type of structure | Local |
| Structure description | Copper-bearing interflow conglomerate associated with basalt flows |
| General form | CONGLOMERATE LODE |
|---|
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1872 |
| Year of first production | 1872 |
| Year of last production | 1877 |
| District name | Keweenaw Copper |
|---|
| Type | Operator |
|---|---|
| Owner | Island Copper Co. |
| Year | 1878 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1872-1878 | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| |||||||||||||||
LANE, A.C., 1898, UPPER PENINSULA, ISLE ROYALE: GEOLOGICAL SURVEY OF MICHIGAN, V. 6, PT.1, 281 PP.
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, KEWEENAW COUNTY, P. 149 , SITE ID # 420045, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
LANE, 1898
| Subject category | Comment text |
|---|---|
| Deposit | CONGLOMERATE IS 14-16 FEET THICK |
| 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 | |
| Editor | 04-AUG-2002 | Anderson, Arlene (M. Gere) | Michigan Department of Natural Resources |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.