Orphan Boy Prospect

Occurrence in Chelan county in Washington, United States with commodities Silver, Zinc, Antimony, Lead, Gold, Arsenic
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. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10009002
MRDS ID D001620
Record type Site
Current site name Orphan Boy Prospect

Geographic coordinates

Geographic coordinates: -120.54786, 48.19899 (WGS84)
Elevation 354
Location accuracy 1000(meters)
Relative position ABOUT 2 MI EAST OF LUCERNE, Est On Southeast Side Of Creek 80 Ft Above Lake Level

Site location context

Political divisions (FIPS codes)

Chelan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lucerne(quadrangle 1:24,000 scale)

Twisp(quadrangle 1:100,000 scale)

Concrete(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lake Chelan(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 Chelan

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 031N 018E 12 SW4 Washington

Comments on the location information

  • UNSURVEYED. AT MOUTH OF CASCADE CREEK

Commodities

Commodity Importance
Silver Primary
Zinc Critical Primary
Antimony Critical Secondary
Lead Secondary
Gold Tertiary
Arsenic Critical Tertiary

Comments on the commodity information

  • POSSIBLY STANNITE IS PRESENT, BUT IT WAS NOT POSITIVELY IDENTIFIED

Materials information

Materials Type of material
Galena Ore
Pyrargyrite Ore
Pyrite Ore
Pyrrhotite Ore
Sphalerite Ore
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Sericitized, Argillized, Silicified

Analytical data

Result 8 IN. SAMPLE: 4.64 OZ/TON AG, 0.13% PB, 0.16% ZN. 6 FT SAMPLE: 28.64 OZ/TON AG, 0.02 OZ/TON AU, 0.11% ZN.

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 Metamorphic Rock > Gneiss
    Rock unit name Swakane Biotite Gneiss;;
    Rock description Swakane Biotite Gneiss;;

Nearby scientific data

(1) -120.54786, 48.19899

Economic information

Ore body information

  • General form VEINLETS
    Strike E-W, N78-80W
    Dip 40N, 55NE
    Thickness 0.08M
    Length 5.33M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Meadow Creek District

Land status

Ownership category National Wilderness
Area name In Lake Chelan-Sawtooth Wilderness In Wenatchee National Forest

Comments on the workings information

  • 50 FT ADIT, 10 FT INCLINED SHAFT, OPEN CUT

Reference information

Bibliographic references

  • Deposit

    PURDY, C.P., JR., 1951, ANTIMONY OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 39, P. 59-62.

  • Deposit

    HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 286.

  • Deposit

    CATER, F.W., AND WRIGHT, T.L., 1967, GEOLOGIC MAP OF THE LUCERNE QUADRANGLE, CHELAN COUNTY, WASHINGTON: U.S. GEOLOGICAL SURVEY GEOLOGIC QUADRANGLE MAP GQ-647, SCALE 1:62,500.

General comments

Subject category Comment text
Deposit 7 FT ZONE OF HYDROTHERMAL ALTERATION WITH BANDS OF MINERALIZED QUARTZ TO 3 IN. WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-75 Miller, M. H. U.S. Geological Survey
Updater 01-MAR-91 Peterson, Jocelyn A. U.S. Geological Survey

Beyond USGS

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