| Deposit ID | 10047917 |
|---|---|
| MRDS ID | M700267 |
| Record type | Site |
| Current site name | Mount Vernon |
| Alternate or previous names | Devils Mountain, Pacific |
| Related records | 10056088 |
| Geographic coordinates: | -122.29291, 48.3687 (WGS84) |
|---|---|
| Elevation | 305 |
| Relative position | ABOUT 3 MI NORTHEAST OF CONWAY. 4.5 MI SOUTHEAST OF MOUNT VERON BY ROAD; 1.5 MI BY ROAD FROM RAILROAD. |
Political divisions (FIPS codes)
Skagit(county)
Washington(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Conway(quadrangle 1:24,000 scale)
Port Townsend(quadrangle 1:100,000 scale)
Victoria(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower Skagit(hydrologic unit)
Puget Sound(hydrologic accounting unit)
Puget Sound(hydrologic subregion)
Pacific Northwest(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Washington | Skagit |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Willamette | 033N | 004E | 04,09,10,11 | S2 (04); NE4 (09); N2 (10); NW4 (11) | Washington |
| Materials | Type of material |
|---|---|
| Bravoite | Ore |
| Chromite | Ore |
| Marcasite | Ore |
| Pyrite | Ore |
| Ankerite | Gangue |
| Calcite | Gangue |
| Chalcedony | Gangue |
| Chlorite | Gangue |
| Dolomite | Gangue |
| Opal | Gangue |
| Quartz | Gangue |
| Serpentine | Gangue |
| Result | 157 ASSAYS OF DRILL CORE AVERAGE 0.0195 OZ/TON AU, 0.251% NI. WEIGHTED AVERAGE OF 74 TRENCH SAMPLES: 0.293% NI. SULFIDE-BEARING BRECCIA SAMPLES AVERAGE MORE THAN 0.2% NI AND ABOUT 0.02 OZ/TON AU. |
|---|
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone |
| Rock unit name | Haystack Terrane;Haystack Terrane |
| Rock description | Haystack Terrane;Haystack Terrane |
| (1) | -122.29291, 48.3687 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Devils Mountain Fault Zone Near Crest Of Devils Mountain Anticline |
| Type of structure | Local |
| Structure description | Shear Zone; Ore Body Lies On South Limb Of Large Anticlinal Fold |
| General form | TABULAR |
|---|---|
| Strike | N70W |
| Dip | STEEP |
| Thickness | 121.92M |
| Length | 3218.6M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1915 |
| Type | Owner |
|---|---|
| Owner | Pacific Nickel Co. |
| First year | 1943 |
| Type | In-situ | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1941 | |||||||||||||||||||||
| Total resources | 22000mt ore | |||||||||||||||||||||
| ||||||||||||||||||||||
| Type of workings | Surface/Underground |
|---|---|
| Area | 849.87HA |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M700267 |
HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 278.
HUNTTING, M.T., 1955, GOLD IN WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 42, P. 87.
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.
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.
HOBBS AND PECORA, 1941
| Subject category | Comment text |
|---|---|
| Deposit | MRDS RECORDS US53002, W001173 HAVE BEEN MERGED WITH THIS RECORD AND DELETED |
| Deposit | DIMENSIONS GIVEN ARE FOR 2-MI-LONG SILICA-CARBONATE ROCK WITH A CENTRAL CORE OF SULFIDE-BEARING BRECCIA. SULFIDES ARE MOSTLY DISSEMINATED IN BRECCIA BUT MINUTE VEINLETS ARE PRESENT LOCALLY. A MODEL HAS NOT YET BEEN PUBLISHED FOR THIS TYPE OF DEPOSIT |
| Deposit | Discovery Year: 1910S |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JAN-1973 | Coury, Anny B. | U.S. Geological Survey | |
| Updater | 01-JUL-1982 | Lawson, William A. (Evarts, Russel C.) | U.S. Geological Survey | |
| Updater | 01-OCT-1992 | Peterson, Jocelyn A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.