| Lat / long: | 48.3687, -122.29291 |
| Primary: | Nickel, Gold |
| Tertiary: | Chromium |
| Ore: | Bravoite, Chromite, Marcasite, Pyrite |
| Gangue: | Ankerite, Calcite, Chalcedony, Chlorite, Dolomite, Opal, Quartz, Serpentine |
| Orebody form: | TABULAR |
| Discovery year: | 1915 |
| Operation type: | Unknown |
| Deposit type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| Host rock: | Haystack Terrane;Haystack Terrane |
| Host type: | Greenstone |
| Structure: | Devils Mountain Fault Zone Near Crest Of Devils Mountain Anticline, Shear Zone; Ore Body Lies On South Limb Of Large Anticlinal Fold |
| Tectonic: | Active Margin (Leading Edge Of North American Plate) |
| Alteration processes: | Oxidation Of Sulfides Producing Much Limonite |
| MRDS | M700267 |
| DEP | 10047917 |
| 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. 278.}{Deposit:: HUNTTING, M.T., 1955, GOLD IN WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 42, P. 87.}{Deposit:: HOBBS, S.W., AND PECORA, W.T., 1941, NICKEL-GOLD DEPOSIT NEAR MOUNT VERNON, SKAGIT COUNTY, WASHINGTON: U.S. GEOLOGICAL SURVEY BULLETIN 931-D, P. 57-78.}{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. 332.}{Reserve-Resource:: HOBBS AND PECORA, 1941} |
| Reporter | Coury, Anny B., Lawson, William A. (Evarts, Russel C.), Peterson, Jocelyn A. |