Quartz Mines in Maryland
4Total Sites
0Active
Quartz Mining in Maryland
Maryland has 4 quartz-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.
By County
| County | Sites |
|---|---|
| Howard County | 2 |
| Baltimore County | 1 |
| Frederick County | 1 |
Quartz Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Green Valley Road Quarry | Frederick | Past Producer | |
| Marriottsville Quarry | Howard | Past Producer | |
| Patapsco Quarry | Howard | Past Producer | |
| Weaver Stone Company Quarry | Baltimore | Past Producer |