| Deposit ID | 10082647 |
|---|---|
| MRDS ID | W060085 |
| Record type | Site |
| Current site name | Datolite Mine |
| Geographic coordinates: | -88.76673, 47.98333 (WGS84) |
|---|
Political divisions (FIPS codes)
Keweenaw(county)
Michigan(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Malone Bay(quadrangle 1:24,000 scale)
Siskiwit Bay(quadrangle 1:100,000 scale)
Hancock C(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 | 065N | 035W | 33 | 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) | -88.76673, 47.98333 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Fissures cross-cutting basalt |
| General form | FISSURE |
|---|
| Operation type | Surface |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Year of first production | 1846 |
| Year of last production | 1848 |
| Production years | 1846-1848 AT LEAST (BUT PROBABLY NOT MUCH LONGER) |
| District name | Keweenaw Copper |
|---|
| Type | Operator |
|---|---|
| Owner | Ohio and Isle Royale Co. |
LANE, A.C., 1898, UPPER PENINSULA, ISLE ROYALE: GEOLOGICAL SURVEY OF MICHIGAN, V. 6. PT. 1, 281 PP.
| Subject category | Comment text |
|---|---|
| Deposit | TWO VEINS |
| 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.