| Deposit ID | 10082644 |
|---|---|
| MRDS ID | W060082 |
| Record type | Site |
| Current site name | Siskowit Mine |
| Geographic coordinates: | -88.56672, 48.1 (WGS84) |
|---|
Political divisions (FIPS codes)
Keweenaw(county)
Michigan(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Mott Island(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 | 034W | 13 | SW 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) > Mafic Volcanic Rock > Basalt | ||||
| Rock unit name | Portage Lake Volcanics | ||||
| Rock description | Portage Lake Volcanics | ||||
| |||||
| (1) | -88.56672, 48.1 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Syncline |
| Type of structure | Local |
| Structure description | Fissure cross-cutting basalt flows |
| General form | FISSURE |
|---|
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discoverer | Prehistoric copper culture Native Americans |
| Year of first production | 1847 |
| Year of last production | 1855 |
| District name | Keweenaw Copper |
|---|
| Type | Owner |
|---|---|
| Owner | Isle Royale Union (1844) |
| Year | 1855 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1847-1855 | ||||||||||||||
| Accuracy | Estimate | ||||||||||||||
| |||||||||||||||
LANE, A.C., 1898, UPPER PENINSULA, ISLE ROYALE: GEOLOGICAL SURVEY OF MICHIGAN, V. 6. PT. 1, 281 P.
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, KEWEENAW COUNTY, P. 239, SITE ID # 420082, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
LANE, 1898
| 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.