Mica Mines in Connecticut
16Total Sites
1Active
Mica Mining in Connecticut
Connecticut has 16 mica-related mine and mineral deposit locations recorded in federal databases. Of these, 1 are currently active operations. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.
The earliest recorded mica mine in Connecticut is State Forest No. 2 Mica Mine in Middlesex County, with records dating to 1943.
By County
| County | Sites |
|---|---|
| Middlesex County | 13 |
| Hartford County | 3 |
Mica Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Enegren (Power) Mica Mine | Middlesex | Producer | |
| Anderson No. 1 Mica Mine | Middlesex | Surface-Underground | Past Producer |
| Bailey Mica Prospects | Middlesex | Surface | Prospect |
| Enegren Mica Mine | Middlesex | Surface-Underground | Prospect |
| Great Hill State Forest No. 1 Mica Quarry | Middlesex | Past Producer | |
| Halberg Quarries | Middlesex | Surface | Past Producer |
| Knapp Mica Prospect | Hartford | Past Producer | |
| Markham Mica Mine | Middlesex | Past Producer | |
| Markham Mica Mine | Middlesex | Surface | Past Producer |
| Mica Mines | Hartford | Surface | Past Producer |
| Middletown Mill | Middlesex | Processing Plant | Plant |
| Reeb Mica Mine | Middlesex | Past Producer | |
| Spinelli Samarskite Prospect | Hartford | Surface | Prospect |
| State Forest No. 1 Quarry | Middlesex | Surface | Prospect |
| State Forest No. 2 Mica Mine | Middlesex | Past Producer | |
| State Forest No. 2 Mica Mine | Middlesex | Surface | Prospect |