Four Brothers Prospect

Occurrence in Snohomish county in Washington, United States with commodity Copper
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Mineral occurrence model information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10036724
MRDS ID M025630
Record type Site
Current site name Four Brothers Prospect
Related records 10253673

Geographic coordinates

Geographic coordinates: -121.56844, 48.07481 (WGS84)
Elevation 549
Location accuracy 500(meters)
Relative position ABOUT 0.2 MI SOUTH OF SILVERTON

Site location context

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)

Geographic areas

Country State County
United States Washington Snohomish

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 030N 010E 19 NE4 Washington

Commodities

Commodity Importance
Copper Primary

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Nearby scientific data

(1) -121.56844, 48.07481

Economic information

Ore body information

  • General form VEIN

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Silverton District

Land status

Ownership category National Forest
Area name In Mount Baker National Forest

Comments on the workings information

  • 130 FT ADIT

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit NOW PROBABLY ENCOMPASSED BY THE CLAIMS OF THE SILVERTON MINE. SEE ALSO MRDS RECORD M025636

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1985 Andrews, David H. (Lawson, William A.) U.S. Geological Survey
Updater 01-FEB-1991 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.