| Deposit ID | 10081865 |
|---|---|
| MRDS ID | W044255 |
| Record type | Site |
| Current site name | Hoffman Prospect |
| Alternate or previous names | Hoffman Mine |
| Geographic coordinates: | -74.62653, 40.63972 (WGS84) |
|---|
Political divisions (FIPS codes)
Somerset(county)
New Jersey(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Gladstone(quadrangle 1:24,000 scale)
Newark(quadrangle 1:100,000 scale)
Newark(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Raritan(hydrologic unit)
Lower Hudson(hydrologic accounting unit)
Lower Hudson-Long Island(hydrologic subregion)
Mid Atlantic(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | New Jersey | Somerset |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Materials | Type of material |
|---|---|
| Copper | Ore |
| Chalcocite | Gangue |
| Chrysocolla | Gangue |
| Malachite | Gangue |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone |
| (1) | -74.62653, 40.63972 |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1812 |
| Year of first production | 1812 |
| Year of last production | 1868 |
| Type | Operator |
|---|---|
| Owner | True Vien Copper Co. |
| Type of workings | Surface |
|---|---|
| Overall depth | 41.45M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W044255 |
WOODWARD, H.P., 1944, COPPER MINES AND MINING IN NEW JERSEY, DEPARTMENT OF CONSERVATION AND DEVELOPMENT, STATE OF NEW JERSEY, BULL. 57
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JAN-1985 | Master, Julian A. (Bell, Christy A.) | New Jersey Bureau of Geology and Topography |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.