Quartz, Feldspar Mines in Colorado
9Total Sites
0Active
Quartz, Feldspar Mining in Colorado
Colorado has 9 quartz, feldspar-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 quartz, feldspar mine in Colorado is Big Bertha Mine in Jefferson County, with records dating to 1947.
By County
| County | Sites |
|---|---|
| Jefferson County | 3 |
| Saguache County | 3 |
| Boulder County | 1 |
| Douglas County | 1 |
| Gunnison County | 1 |
Quartz, Feldspar Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Big Bertha Mine | Jefferson | Past Producer | |
| Cooper Quarry | Jefferson | Past Producer | |
| I. Kreiner Mine | Saguache | Surface | Past Producer |
| Madonna No. 2 | Jefferson | Surface | Past Producer |
| Quarry | Saguache | Surface | Past Producer |
| Rooftop #1 | Gunnison | Occurrence | |
| Skeleton No. 2 Quarry | Douglas | Past Producer | |
| Unknown | Saguache | Surface | Prospect |
| Unknown | Boulder | Surface | Occurrence |
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