Magnesite Mines in Washington
80Total Sites
12Active
Magnesite Mining in Washington
Washington has 80 magnesite-related mine and mineral deposit locations recorded in federal databases. Of these, 12 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 |
|---|---|
| Stevens County | 39 |
| Okanogan County | 15 |
| Skagit County | 10 |
| Chelan County | 6 |
| Whatcom County | 4 |
| Ferry County | 2 |
| Snohomish County | 2 |
| Klickitat County | 1 |
| Mason County | 1 |
Magnesite Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Addy Dolomite Quarry | Stevens | Surface | Producer |
| Beacon Point | Skagit | Surface | Producer |
| Hamilton Mill | Skagit | Processing Plant | Producer |
| Hamilton Mill | Skagit | Surface-Underground | Producer |
| Northwest Alloys,inc | Stevens | Producer | |
| Northwest Marble Products | Stevens | Surface | Producer |
| Olivine Hill | Skagit | Surface | Producer |
| Reef Point | Skagit | Surface | Producer |
| Scheel Quarry | Skagit | Surface | Producer |
| Strawberry Bay | Skagit | Surface | Producer |
| Swen Larson Quarry | Whatcom | Surface | Producer |
| White Stone | Stevens | Producer | |
| Allen Quarry | Stevens | Surface-Underground | Unknown |
| Black Bear | Stevens | Surface-Underground | Unknown |
| C. F. Allen | Stevens | Surface-Underground | Unknown |
| Cf Allen | Stevens | Occurrence | |
| Chewelah Dist | Stevens | Occurrence | |
| Cornelius Magnesite,nickel-Gold Dep | Skagit | Surface | Prospect |
| Crosby Prospect | Stevens | Surface-Underground | Past Producer |
| Danville | Ferry | Occurrence | |
| Danville | Ferry | Occurrence | |
| Davis Prospect | Stevens | Surface-Underground | Prospect |
| Deposit 10 | Okanogan | Underground | Occurrence |
| Deposit 2 | Okanogan | Surface | Occurrence |
| Deposit 3 | Okanogan | Underground | Occurrence |
| Deposit 4 | Okanogan | Surface | Occurrence |
| Deposit 5 | Okanogan | Surface | Occurrence |
| Deposit 6 | Okanogan | Surface | Occurrence |
| Deposit 7 | Okanogan | Surface | Occurrence |
| Deposit 8 | Okanogan | Surface | Occurrence |
| Deposit 9 | Okanogan | Surface | Occurrence |
| Discovery Prospect | Mason | Underground | Prospect |
| Double Eagle Quarries | Stevens | Surface-Underground | Past Producer |
| Entiat Mtns A | Chelan | Surface | Occurrence |
| Entiat Mtns B | Chelan | Surface | Occurrence |
| Finch Quarry | Stevens | Surface | Past Producer |
| Granite Falls | Snohomish | Occurrence | |
| Green Mountain Marble Co | Stevens | Occurrence | |
| Ingalls Creek | Chelan | Surface | Occurrence |
| Johnson Creek | Okanogan | Underground | Unknown |
| Keystone Quarry | Stevens | Surface-Underground | Past Producer |
| McGrath | Stevens | Occurrence | |
| Midnight | Stevens | Surface-Underground | Past Producer |
| Mills Canyon | Chelan | Surface | Occurrence |
| Moss Quarry | Stevens | Surface | Past Producer |
| Moss-Allen Quarry | Stevens | Surface | Past Producer |
| Mount Chopaka | Okanogan | Underground | Unknown |
| Mountain View Prospect | Stevens | Surface-Underground | Past Producer |
| N W L Brown | Okanogan | Surface | Past Producer |
| Nespelem | Okanogan | Surface | Unknown |
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