Manganese Mines in New Jersey
2Total Sites
0Active
Manganese Mining in New Jersey
New Jersey has 2 manganese-related mine and mineral deposit locations recorded in federal databases. None are currently listed as active, but historical records document past production and geological occurrences. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.
The earliest recorded manganese mine in New Jersey is Clinton Point Manganese Deposit in Hunterdon County, with records dating to 1918.
By County
| County | Sites |
|---|---|
| Hudson County | 1 |
| Hunterdon County | 1 |
Manganese Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Clinton Point Manganese Deposit | Hunterdon | Past Producer | |
| General Metallic Oxides/jersey City | Hudson | Processing Plant | Unknown |
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