| Deposit ID | 10036800 |
|---|---|
| MRDS ID | M025715 |
| Record type | Site |
| Current site name | Forty Five Mine |
| Alternate or previous names | Magus, 45 Mine, Deu Pree Lode |
| Related records | 10056100 |
| Geographic coordinates: | -121.55177, 48.05703 (WGS84) |
|---|---|
| Elevation | 1067 |
| Relative position | ABOUT 1.5 MI SOUTHEAST OF SILVERTON |
Political divisions (FIPS codes)
Snohomish(county)
Washington(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Silverton(quadrangle 1:24,000 scale)
Sauk River(quadrangle 1:100,000 scale)
Concrete(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Stillaguamish(hydrologic unit)
Puget Sound(hydrologic accounting unit)
Puget Sound(hydrologic subregion)
Pacific Northwest(hydrologic region)
Federal lands
Mt. Baker-Snoqualmie National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Washington | Snohomish |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Willamette | 030N | 010E | 29,32 | S2 (29) | Washington |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Lead | Primary |
| Gold | Primary |
| Zinc Critical | Secondary |
| Copper | Secondary |
| Tungsten Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Marcasite | Ore |
| Pyrargyrite | Ore |
| Pyrite | Ore |
| Pyrrhotite | Ore |
| Scheelite | Ore |
| Silver | Ore |
| Sphalerite | Ore |
| Tetrahedrite | Ore |
| Calcite | Gangue |
| Quartz | Gangue |
| Result | HIGH-GRADE ORE CONTAINED AS MUCH AS 171 OZ/TON AG. AVERAGE WAS ABOUT 93 OZ/TON AG, 0.74 OZ/TON AU |
|---|
| Model code | 85 |
|---|---|
| USGS model code | 22c |
| Deposit model name | Polymetallic veins |
| Mark3 model number | 46 |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||
| |||||
| (1) | -121.55177, 48.05703 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Melange Belt |
| General form | VEINS |
|---|---|
| Strike | NW |
| Dip | SW |
| Length | 1828.8M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | No |
| Discovery year | 1891 |
| District name | Sultan District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | In Mount Baker National Forest |
| Type | Operator |
|---|---|
| Owner | Mine Evaluation, Inc. |
| First year | 1990 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M025715 |
HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 319.
CARITHERS, WARD, AND GUARD, A.K., 1945, GEOLOGY AND ORE DEPOSITS OF THE SULTAN BASIN, SNOHOMISH COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 36, P. 39-46.
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. 346.
BROUGHTON, W.A., 1942, INVENTORY OF MINERAL PROPERTIES IN SNOHOMISH COUNTY, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY REPORT OF INVESTIGATIONS 6, P. 47.
| Subject category | Comment text |
|---|---|
| Deposit | LARGEST ORE BODY IS 15 X 300 FT. VEINS ARE WITHIN A SHEAR ZONE |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1985 | Andrews, David H. (Lawson, William A.) | U.S. Geological Survey | |
| Updater | 01-FEB-1991 | Peterson, Jocelyn A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.