Calcium Mines in Oregon
15Total Sites
3Active
Calcium Mining in Oregon
Oregon has 15 calcium-related mine and mineral deposit locations recorded in federal databases. Of these, 3 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 |
|---|---|
| Malheur County | 11 |
| Baker County | 1 |
| Benton County | 1 |
| Jackson County | 1 |
| Multnomah County | 1 |
Calcium Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Ash Grove Cement Plant | Multnomah | Processing Plant | Producer |
| Blue Mountain Lime Mill | Baker | Processing Plant | Producer |
| Unnamed Deposit | Jackson | Surface | Producer |
| Ag-Lime Plant | Benton | Processing Plant | Past Producer |
| Bombsight | Malheur | Occurrence | |
| Bombsight Claim | Malheur | Underground | Prospect |
| Calcite Miner & Sheep Horn Claims | Malheur | Occurrence | |
| Calcite Miner & Sheep Horn Claims | Malheur | Surface | Prospect |
| Calcite Occurrence | Malheur | Occurrence | |
| Calcite Occurrence | Malheur | Surface | Occurrence |
| Huntington Calcite | Malheur | Occurrence | |
| Huntington Calcite | Malheur | Unknown | |
| Iceland Spar 1 2 & 3 | Malheur | Occurrence | |
| Iceland Spar 1 2 & 3 | Malheur | Surface | Occurrence |
| North Gold Creek Optical Calcite | Malheur | Surface | Occurrence |