Mica Mines in Maryland
5Total Sites
1Active
Mica Mining in Maryland
Maryland has 5 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.
By County
| County | Sites |
|---|---|
| Howard County | 3 |
| Montgomery County | 2 |
Mica Mines
| Mine | County | Type | Status |
|---|---|---|---|
| B Giancola Quarry | Montgomery | Surface | Producer |
| Gilmore Mine | Montgomery | Surface-Underground | Past Producer |
| Gudelsky Farm | Howard | Prospect | |
| Maryland Mica Company Mine | Howard | Surface | Past Producer |
| Parlet Prospect | Howard | Prospect |