| Deposit ID | 10080382 |
|---|---|
| MRDS ID | W031508 |
| Record type | Site |
| Current site name | Norwich Mine |
| Geographic coordinates: | -89.38591, 46.66111 (WGS84) |
|---|---|
| Relative position | MATCHWOOD TOWNSHIP |
Political divisions (FIPS codes)
Ontonagon(county)
Michigan(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Matchwood NW(quadrangle 1:24,000 scale)
Ontonagon(quadrangle 1:100,000 scale)
Iron River(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Ontonagon(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 | 049N | 041W | 12 | SE OF NE | Michigan |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Materials | Type of material |
|---|---|
| Copper | Ore |
| Quartz | Gangue |
| Calcite | Gangue |
| Epidote | Gangue |
| Pumpellyite-(Mg) | Gangue |
| Chlorite | Gangue |
| Feldspar | Gangue |
| 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) | Portage Lake Volcanics |
|---|
| General form | FISSURES |
|---|
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | Yes |
| Discovery year | 1846 |
| Year of first production | 1850 |
| Year of last production | 1900 |
| District name | Keweenaw Copper |
|---|
| Ownership category | National Forest |
|---|
| Year | 1869 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1852-1869 | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| |||||||||||||||
COPPER RANGE CO., UNPUBLISHED, 1968, BEDROCK GEOLOGY MAP OF THE MATCHWOOD (NW 1/4) QUADRANGLE, ONTONAGON COUNTY, MICHIGAN. GEOLOGY MAPPED AND COMPILED BY COPPER RANGE EXPLORATION CO., INC., AND BY H. HUBBARD (U.S.G.S.)
BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: U.S. GEOLOGICAL SURVEY PROF. PAPER 144, 238P.
WILBAND, J.T., 1978, THE COPPER RESOURCES OF NORTHERN MICHIGAN; PREPARED FOR THE U.S. BUREAU OF MINES, CONTRACT NO. J0366067, 66P.
JOHNSON, A.M., AND GROTH, E.H.,, 1998, INVENTORY OF UNDERGROUND MINES, ONTONAGON COUNTY, P. 193-198, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
BUTLER AND BURBANK (1929)
| Subject category | Comment text |
|---|---|
| Deposit | VEIN WAS DISCOVERED IN 1846 AND OPERATIONS BEGAN IN 1850. FIRST SERIOUS WORK STARTED IN 1852 AND THE AMERICAN MINING CO. OF VERMONT ORGANIZED THE NORWICH MINING CO. IN 1855. BECAUSE OF FINANCIAL PROBLEMS, FROM 1858-1863 ONLY WORK DONE BY TRIBUTORS. THEN NORWICH REORGANIZED AND FORMED A CONSOLIDATION WITH THE WINDSOR MINE, AND WORK RECOMMENCED. IN 1864, THERE WAS A CONSOLIDATION WITH HAMILTON CO. WITH A RE-DIVISION OF PROPERTY. MINE WAS SHUT DOWN IN 1865, AND LAST SHIPPED IN 1869. SOME WORK DONE IN 1899-1900 UNDER THE NAME ESSEX COPPER CO. CONSIDERABLE SIGNS OF MINING ACTIVITY AT SITE, INDUSTVEIN WAS DISCOVERED IN 1846 AND OPERATIONS BEGAN IN 1850. FIRST SERIOUS WORK STARTED IN 1852 AND THE AMERICAN MINING CO. OF VERMONT ORGANIZED THE NORWICH MINING CO. IN 1855. BECAUSE OF FINANCIAL PROBLEMS, FROM 1858-1863 ONLY WORK DONE BY TRIBUTORS. THEN NORWICH REORGANIZED AND FORMED A CONSOLIDATION WITH THE WINDSOR MINE, AND WORK RECOMMENCED. IN 1864, THERE WAS A CONSOLIDATION WITH HAMILTON CO. WITH A RE-DIVISION OF PROPERTY. MINE WAS SHUT DOWN IN 1865, AND LAST SHIPPED IN 1869. SOME WORK DONE IN 1899-1900 UNDER THE NAME ESSEX COPPER CO. CONSIDERABLE SIGNS OF MINING ACTIVITY AT SITE, INDUSTRIAL ARCHEOLOGICAL DETAIL REPORT BY PATRICK MARTIN IN 1985 AND GRANT DAY IN 1996 |
| Deposit | FINE COPPER FLAKES IN SHALE AND SANDSTONE |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-OCT-1980 | Yeager, Keith (Cannon, W.) | Michigan Geological Survey Division | |
| Updater | 01-MAR-1997 | Sutphin, D.M. | U.S. Geological Survey | |
| Editor | 01-MAY-1997 | Mason Jr., G.T. | U.S. Geological Survey | |
| Updater | 08-AUG-2001 | Anderson, Arlene (M. Gere) | Michigan Department of Natural Resources |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.