| Lat / long: | 48.75205, -120.30341 |
| Primary: | Copper |
| Secondary: | Gold, Silver |
| Tertiary: | Iron |
| Ore: | Chalcocite, Chalcopyrite, Gold, Hematite, Pyrite, Tetrahedrite |
| Gangue: | Barite, Calcite, Quartz |
| Orebody form: | DISSEMINATED IN FRACTURE |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1914 |
| Host rock: | Andesite Of Isabella Ridge |
| Host type: | Andesite |
| Associated type: | Mafic Intrusive Rock |
| Structure: | Eightmile Creek Fault Trends N30w. It Starts About 30 Mi To The South And Extends Into British Columbia, Where It Becomes Part Of The Frazer River Fault System. Near Mine Fault Dips Steeply West. Adjacent Rocks Are Commonly Sheared And Brecciated; On East Side Rocks Are Foliated Up To 3 Mi From Fault. Throw On Fault Is Unknown But Must Be Large Based On Opposing Rock Types. |
| Tectonic: | Cascade Volcanic Arc |
| MRDS | M060163 |
| DEP | 10042395 |
| Reference | {Deposit:: HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 63.}{Deposit:: STAATZ M.H., AND OTHERS, 1971, MINERAL RESOURCES OF THE PASAYTEN WILDERNESS AREA, WASHINGTON: U.S. GEOLOGICAL SURVEY BULLETIN 1325, P. 22, 43, 44, 106, PL. 1-2.}{Deposit:: DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 188.}{Deposit:: DERKEY, R.E., GULICK, C.W., LINGLEY, W.S., JR., 1993, WASHINGTO* MINERAL INDUSTRY - 1992: WASHINGTON GEOLOGY, V. 21, NO. 1, P. 3-25.} |
| Reporter | Unknown |