| Deposit ID | 10080397 |
|---|---|
| MRDS ID | W031526 |
| Record type | Site |
| Current site name | Mass Consolidated Mine |
| Geographic coordinates: | -89.10007, 46.76528 (WGS84) |
|---|---|
| Relative position | GREENLAND TOWNSHIP; MINE WAS EAST OF MERRIMAC MINE AND NORTH OF EVERGREEN BLUFF MINE |
Political divisions (FIPS codes)
Ontonagon(county)
Michigan(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Greenland(quadrangle 1:24,000 scale)
Ontonagon(quadrangle 1:100,000 scale)
Iron River(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Keweenaw Peninsula(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 | 051N | 038W | 35, 34 | Michigan | |
| 51N | 39W | 6 | Michigan |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Silver | Secondary |
| Materials | Type of material |
|---|---|
| Copper | Ore |
| Silver | Ore |
| Quartz | Gangue |
| Calcite | Gangue |
| Epidote | Gangue |
| Pumpellyite-(Mg) | Gangue |
| Chlorite | Gangue |
| Feldspar | Gangue |
| Datolite | 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) | -89.10007, 46.76528 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Syncline |
| Name | MASS LODE |
|---|---|
| General form | IRREGULAR |
| Dip | 089-06-04W |
| Operation type | Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Large |
| Significant | Yes |
| Discovery year | 1849 |
| Discoverer | Noel Johnson; Noel was a negro slave - Cyrus Mendenhall had bought Noels freedom for $250, paid Noel $18,000 for to mine his claim |
| Year of first production | 1850 |
| District name | Keweenaw Copper |
|---|
| Ownership category | Private |
|---|
| Year | 1919 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1857-1919 | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| |||||||||||||||
COPPER RANGE CO., UNPUBLISHCOPPER RANGE CO., UNPUBLISHED, 1968, BEDROCK GEOLOGY MAP OF THE GREENLAND (SE 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, 238 P.
WILBAND, J.T., 1978, THE COPPER RESOURCES OF NORTHERN MICHIGAN; PREPARED FOR THE U.S. BUREAU OF MINES, CONTRACT NO. J3066067, 66P.
JOHNSON, A.M., AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, ONTONAGON COUNTY, P. 129-135, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.
BUTLER AND BURBANK (1929)
| Subject category | Comment text |
|---|---|
| Deposit | THE MASS MINING CO. ORGANIZED IN 1856. THIS MINE FIRST WORKED ON THE EVERGREEN LODE FROM 1857-1859, RESUMED IN 1864 AND PRODUCED EVERY YEAR THROUGH 1919. PROPERTY WAS LEASED TO MASS TRIBUTE CO. FROM 1884-1888. THE MASS CONSOLIDATED MINING CO. WAS ORGANIZED IN 1899, AND HELD CONTROLLING INTEREST UNTIL PRODUCTION CEASED IN 1919. |
| Deposit | PRODUCTION FROM MASS LODE AND ALSO BUTLER, EVERGREEN, KNOWLTON AND OGIMA LODES BY WAY OF CROSS CUTS; |
| 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.