| Deposit ID | 10103543 |
|---|---|
| MRDS ID | M025907 |
| Record type | Site |
| Current site name | Helena Mine |
| Alternate or previous names | North Squire Creek, Big Four, Clear Creek |
| Geographic coordinates: | -121.57039, 48.14509 (WGS84) |
|---|---|
| Elevation | 960 |
| Relative position | ABOUT 5 MI NORTH OF SILVERTON |
Political divisions (FIPS codes)
Snohomish(county)
Washington(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Helena Ridge(quadrangle 1:24,000 scale)
Sauk River(quadrangle 1:100,000 scale)
Concrete(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Sauk(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 | 031N}031N | 009E}010E | 36}30 | SW4 (30) | Washington |
| Commodity | Importance |
|---|---|
| Copper | Primary |
| Gold | Primary |
| Silver | Primary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Pyrite | Ore |
| Quartz | Gangue |
| Result | $19-32/TON |
|---|
| Model code | 85 |
|---|---|
| USGS model code | 22c |
| Deposit model name | Polymetallic veins |
| Mark3 model number | 46 |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone |
| Rock unit name | Barlow Pass Volcanics; Squire Creek Stock And Related Intrusive Rocks;Squire Creek Stock And Related Intrusive Rocks |
| Rock description | Barlow Pass Volcanic Rocks;Squire Creek Stock And Related Intrusive Rocks;Squire Creek Stock And Related Intrusive Rocks |
| (1) | -121.57039, 48.14509 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Intrusive Rocks Are Sheared |
| General form | VEIN IN SHEAR ZONE |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Silverton District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | In Mount Baker National Forest |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M025907 |
HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 85.
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. 349.
GRANT, A.R., 1976, REPORT OF EVALUATION, MINERAL RESOURCE ANALYSIS STUDY ON UNITED STATES FOREST SERVICE LAND, STATE OF WASHINGTON: PREPARED FOR U.S. FOREST SERVICE - REGION 6, CONTRACT NO. 004724N, P. 36.
| Subject category | Comment text |
|---|---|
| Deposit | AT LEAST 2 SULFIDE-BEARING QUARTZ VEINS FORM LARGE, LOW-GRADE ORE BODIES. THIS MAY BE HIGH LEVEL FRACTURE ZONE OVER A POSSIBLE PORPHYRY COPPER |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-85 | Andrews, David H. (Lawson, William A.) | U.S. Geological Survey | |
| Updater | 01-FEB-91 | Peterson, Jocelyn A. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.