| Deposit ID | 10093858 |
|---|---|
| MRDS ID | W044261 |
| Record type | Site |
| Current site name | Griggstown Mine |
| Alternate or previous names | Franklin Mine |
| Geographic coordinates: | -74.61209, 40.42612 (WGS84) |
|---|
Political divisions (FIPS codes)
Somerset(county)
New Jersey(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Monmouth Junction(quadrangle 1:24,000 scale)
Trenton(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 |
|---|---|
| Chalcocite | Ore |
| Chalcopyrite | Ore |
| Chrysocolla | Ore |
| Copper | Ore |
| Cuprite | Ore |
| Malachite | Ore |
| Epidote | Gangue |
| Hematite | Gangue |
| Magnetite | Gangue |
| Tourmaline | Gangue |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase | ||||||
| Rock unit name | Rocky Hill | ||||||
| Rock description | Rocky Hill | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Shale |
| (1) | -74.61209, 40.42612 |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1753 |
| Year of first production | 1765 |
| Type | Operator |
|---|---|
| Owner | Mr. Labaw |
| Type of workings | Surface |
|---|---|
| Overall depth | 57.91M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W044261 |
LEWIS, J.V., 1907, COPPER DEPOSITS OF THE NEW JERSEY TRIASSIC, ECON. GEO., VOL II, NO.
| 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.