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Sidney Prospect

Occurrence in Snohomish county in Washington, United States with commodities Gold, Silver, Copper, Arsenic
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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. Materials information
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Reserves and resources
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10036742
MRDS ID M025648
Record type Site
Current site name Sidney Prospect

Geographic coordinates

Geographic coordinates: -121.38565, 47.97732 (WGS84)
Elevation 1006
Relative position ABOUT 0.7 MI SOUTHEAST OF MONTE CRISTO

Site location context

Political divisions (FIPS codes)

Snohomish(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Monte Cristo(quadrangle 1:24,000 scale)

Skykomish River(quadrangle 1:100,000 scale)

Wenatchee(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)

Henry M. Jackson Wilderness(Wilderness)

Wilderness 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 029N 011E 27 Washington

Comments on the location information

  • UNSURVEYED. 1 UNPATENTED CLAIM (PART OF PEABODY GROUP)

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Primary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Quartz Gangue

Analytical data

Result A FEW SAMPLES ASSAYED. MAXIMUM VALUES ARE 0.48 OZ/TON AU, 1.5 OZ/TON AG, 3.5% AS

Mineral occurrence model information

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

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Barlow Pass Volcanics
    Rock description Barlow Pass Volcanics
    Stratigraphic age (youngest) Eocene
    Stratigraphic age (youngest) Eocene

Nearby scientific data

(1) -121.38565, 47.97732
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Shears

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 Monte Cristo District

Land status

Ownership category National Forest
Area name In Mount Baker National Forest

Ownership information

  • Type Operator
    Owner L. H. Mcrae
    Home office Everett, Wa.
    First year 1950

Reserves and resources

  • Type In-situ
    Name Stockpile
    Estimate year 1983
    Total resources 6000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 13.553 g/mt Gold Major 1983
    Silver Ag 45.628 g/mt Silver Major 1983
    Arsenic As 7.6 wt-pct Arsenic Trace 1983
  • Type Dump
    Estimate year 1983
    Commodity Subtype Grade units Group Importance Year
    Gold Au 2.258 g/mt Gold Major 1983
    Silver Ag 9.125 g/mt Silver Major 1983
    Arsenic As 1.35 wt-pct Arsenic Trace 1983

Comments on the reserve resource information

  • DUMP CONTAINS SEVERAL HUNDRED TONS OF MATERIAL

Workings at the site

  • Type of workings Underground
    Length 228.6M

Comments on the workings information

  • CAVED ADIT

Reference information

Bibliographic references

  • Deposit

    HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 164.

  • Deposit

    JOHNSON, F.L., DENTON, D.K., IVERSON, S.R., MCCULLOCH, R.B., STEBBINS, S.A., STOTELMEYER, R.B., 1983, MINERAL RESOURCES OF THE GLACIER PEAK RARE II AREA (NO. L6031), SNOHOMISH COUNTY, WASHINGTON: U.S. BUREAU OF MINES OPEN-FILE REPORT MLA 75-83, P. 31.

  • Reserve-Resource

    JOHNSON AND OTHERS

General comments

Subject category Comment text
Deposit SULFIDE-BEARING QUARTZ VEIN
Deposit SEE ALSO MRDS RECORD M025649

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1985 Andrews, David H. (Lawson, William A.) U.S. Geological Survey
Updater 01-MAR-1992 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site