| Deposit ID | 10310188 |
|---|---|
| MRDS ID | LW00188 |
| Record type | Site |
| Current site name | Mammoth Silver Prospect |
| Geographic coordinates: | -89.57926, 46.81917 (WGS84) |
|---|---|
| Relative position | CARP LAKE TOWNSHIP |
Political divisions (FIPS codes)
Ontonagon(county)
Michigan(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
White Pine(quadrangle 1:24,000 scale)
Ontonagon(quadrangle 1:100,000 scale)
Iron River(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Black-Presque Isle(hydrologic unit)
Southcentral Lake Superior(hydrologic accounting unit)
Southern Lake Superior(hydrologic subregion)
Great Lakes(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Michigan | Ontonagon |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Michigan | 51N | 42W | 13 | E 1/3 OF W 1/2 | Michigan |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Materials | Type of material |
|---|---|
| Silver | Ore |
| 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) | -89.57926, 46.81917 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Syncline |
| Strike | 45 N |
|---|---|
| Dip | 45 N |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Year of first production | 1873 |
| District name | Keweenaw Copper District |
|---|
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, ONTONAGON COUNTY, SITE ID # 660048, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 11-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.