Manganese Mines in Puerto Rico
10Total Sites
0Active
Manganese Mining in Puerto Rico
Puerto Rico has 10 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 Puerto Rico is Juana Diaz Mine, with records dating to 1915.
By County
| County | Sites |
|---|
Manganese Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Gatti Prospect | Past Producer | ||
| Juana Diaz Mine | Past Producer | ||
| Mayaguez | Occurrence | ||
| Monte Guilarte | Occurrence | ||
| Santiago | Occurrence | ||
| Unnamed 30-1 | Occurrence | ||
| Unnamed 31-2 | Occurrence | ||
| Unnamed 31-3 | Occurrence | ||
| Unnamed 31-4 | Occurrence | ||
| Unnamed 48-7 | Occurrence |
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