| Deposit ID | 10310130 |
|---|---|
| MRDS ID | LW00130 |
| Record type | Site |
| Current site name | Mendenhall Mine |
| Geographic coordinates: | -89.36341, 46.72722 (WGS84) |
|---|---|
| Location accuracy | 100(meters) |
| Relative position | ONTONAGON TOWNSHIP;, LAT/LONG IS BASED ON CENTER POINT SECTION FRACTION LISTED, LAT/LONG IS BASED ON CENTER POINT SECTION FRACTION LISTED |
Political divisions (FIPS codes)
Ontonagon(county)
Michigan(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Oak Bluff(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)
Federal lands
Ottawa National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Michigan | Ontonagon |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Michigan | 50N | 40W | 18 | SW | Michigan |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| 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) | Copper Harbor Conglomerate |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Syncline |
| General form | IRREGULAR |
|---|
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Significant | No |
| Year of first production | 1846 |
| Year of last production | 1847 |
| District name | Keweenaw Copper District |
|---|
| Type | Owner |
|---|---|
| Owner | Cyrus Mendenhall |
| Year | 1847 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1846-1847 | ||||||||||||||
| |||||||||||||||
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, ONTONAGON COUNTY, P. 156-157, SITE ID # 660051, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
UNDERGROUND MINE INVENTORY
| Subject category | Comment text |
|---|---|
| Deposit | BEARING N 17 W |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 06-AUG-02 | Anderson, Arlene (M. Gere) | Michigan Department of Natural Resources |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.