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Spafford Prospect

Past Producer in Whatcom county in Washington, United States with commodities Gold, Silver, Lead, Zinc, Copper
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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. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Land status
  18. Ownership information
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10047808
MRDS ID M700093
Record type Site
Current site name Spafford Prospect
Alternate or previous names Homestake Group, Homestake Prospect, Claims: Homestake Nos. 1 and 2, Glory Be Lodes Nos. 1and 2,, Ricky Lodes 1 Through 6, Ridge Lode No. 1

Geographic coordinates

Geographic coordinates: -120.71649, 48.77232 (WGS84)
Elevation 1999
Location accuracy 100(meters)
Relative position AT WINDY PASS, ABOUT 2.75 MI SOUTHWEST OF PASAYTEN PEAK, Accurate Within Claim Area. Location From Figure In Staatz And Others

Site location context

Political divisions (FIPS codes)

Okanogan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pasayten Peak(quadrangle 1:24,000 scale)

Robinson Mountain(quadrangle 1:100,000 scale)

Concrete(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Similkameen(hydrologic unit)

Upper Columbia(hydrologic accounting unit)

Upper Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Okanogan-Wenatchee 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 Whatcom
United States Washington Okanogan

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 038N 017E 22,27 SE4 (22) OF NE4 (27) Washington

Comments on the location information

  • UNSURVEYED

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Secondary
Zinc Critical Secondary
Copper Tertiary

Materials information

Materials Type of material
Covellite Ore
Galena Ore
Pyrite Ore
Sphalerite Ore
Calcite Gangue
Iron Gangue
Quartz Gangue

Alteration

  • (Local) Host Rocks Bleached, Silicified

Analytical data

Result SPORADIC GOLD VALUES FROM $10-100/TON AU. TYPICAL VEIN CONTAINED 0.06 OZ/TON AU, 0.66 OZ/TON AG. SEVERAL ANALYSES IN STAATZ AND OTHERS
Result MAX. VALUES ARE 3.8% PB, 8% ZN, 1.92 OZ/TON AG, 0.25 OZ/TON AU, 0.01% CU

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 Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Arkose
    Rock unit name Harts Pass Group, Harts Pass Formation;Harts Pass Group, Harts Pass Formation;Harts Pass Group, Harts Pass Formation
    Rock description Harts Pass Group, Harts Pass Formation;Harts Pass Group, Harts Pass Formation;Harts Pass Group, Harts Pass Formation

Nearby scientific data

(1) -120.71649, 48.77232
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Shear Zone

Ore body information

  • General form VEINS IN SHEAR ZONE
    Strike N63E
    Dip 55NW
    Thickness 0.1M
    Length 91.44M

Controls for ore emplacement

  • Shear Zone

Comments on the geologic information

  • HOST ROCK DESCRIBED AS WELL BEDDED, FINE-GRAINED QUARTZITE, STRIKE N35W, DIP 40NE. 1000 FT SOUTH OF WINDY PASS, INTRUDED BY DIORITE STOCK 2,500 FT ACROSS . HOST ROCKS LIE NEAR CONTACT OF HARTS PASS FORMATION AND VIRGINIAN RIDGE FORMATION/WINTHROP SANDSTONE UNDIVIDED AND COULD BE THE LATTER.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1956

Mining district

District name Slate Creek District

Land status

Ownership category National Forest
Area name In Pasayten Wilderness Area In Okanogan National Forest And In Mount Baker National Forest At County, Forest, And Wilderness Boundary, All Of Which Coincide

Ownership information

  • Type Owner
    Owner E. H. Spafford, Seattle, Wash.
    First year 1969

Comments on the workings information

  • 500 FT TRENCH, OTHER TRENCHES, 3 PITS, 2 ADITS, INCLINED SHAFT 50 FT LONG. MOST OF WORK WAS DONE ON HOMESTAKE NO. 1 CLAIM.

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. 177.

  • Deposit

    MOEN, W. S., 1969, MINES AND MINERAL DEPOSITS OF WHATCOM COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 57, P. 117-118.

  • Deposit

    STOFFEL, K.L., AND MCGRODER, M.F., 1990, GEOLOGIC MAP OF THE ROBINSON MTN. 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-5, SCALE 1;100,000.

  • Deposit

    STAATZ, M.H., WEIS, P.L., TABOR, R.W., ROBERTSON, J.F., VAN NOY, R.M., PATTEE, E.C., AND HOLT, D.C., 1971, MINERAL RESOURCES OF THE PASAYTEN WILDERNESS AREA, WASHINGTON: U.S. GEOLOGICAL SURVEY BULLETIN 1325, P. 155-158.

General comments

Subject category Comment text
Deposit IRON-OXIDE STAINED LENTICULAR QUARTZ VEINS ALONG SHEAR ZONE
Deposit 11 UNPATENTED CLAIMS ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-81 Caress, Mary E. (Evarts, Russ) U.S. Geological Survey
Updater 01-MAY-91 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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

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