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Pilgrim

Past Producer in Sierra county in California, United States with commodities Gold, Silver
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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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Production statistics
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10086577
MRDS ID X025548
Record type Site
Current site name Pilgrim
Alternate or previous names English-American Gold Mng Co.
Related records 10281409

Geographic coordinates

Geographic coordinates: -120.76186, 39.47961 (WGS84)
Relative position 4 MI. ENE OF ALLEGHANY

Site location context

Political divisions (FIPS codes)

Sierra(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Alleghany(quadrangle 1:24,000 scale)

Truckee(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Yuba(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Tahoe 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 California Sierra

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 019N 011E 29 California

Comments on the location information

  • UTM ACC. W 1/2 SE 1/4.

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Silver Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate

Nearby scientific data

(1) -120.76186, 39.47961
ListMap

Economic information

Ore body information

  • General form PINCH & SWELL
    Thickness 5.49M

Comments on the geologic information

  • 18 IN.-18 FT. THICK-WIDENING GOING N. BRANCHES & MAIN VEIN GOES NW & DECREASES UNTIL 4 FT. THICK COMPOSED OF QTZ LENSES, STRINGERS & SLATE FILLING. IN 20 FT. LOWER ADIT VEIN ONLY A SEAM & QTZ MOSTLY IN KIDNEYS. CARBON OCCURS AT TIMES IN SMALL CAVITIES IN WHITE QTZ.

Economic information about the deposit and operations

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

Production statistics

  • Year 1946
    Material ORE
    Description Ap_Grade: ^.25 Oz/Ton Au, .03 Oz/Ton Ag.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 1g/mt
    Major Ore Gold Gold 7g/mt

Comments on the production information

  • 1946 PROD. YIELDED 145 OZ. AU, 22 OZ. AG.

Workings at the site

  • Type of workings Underground
    Overall depth 6.1M
    Overall length 609.6M

Comments on the workings information

  • 2 ADITS. UPPER, 390 FT., 2ND 500 FT. INCL. 88 FT. OF DRIFTS.

Reference information

Bibliographic references

  • Deposit

    MCCULLOCH, W. C., OESTERLING, W. A., SPURCK, W. H., & TISCHLER, M. S., 1964 , MINERALS FOR INDUSTRY, N CALIF.: SO PACIFIC COMPANY, VOL. 2 , P. 48.

  • Deposit

    AVERILL, C. V., 1942 , MINES AND MINERAL RESOURCES OF SIERRA CO.: CDM CALIF. JOUR. MINES AND GEOL., VOL. 38 , NO. 1 , P. 63.

  • Deposit

    LOGAN, C. A., 1929 , SIERRA CO.: CDMM 25TH REPORT STATE MINERALOGIST, APRIL, P. 168 , 169.

  • Production

    MCCULLOCH ETAL, 1964.

General comments

Subject category Comment text
Deposit VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1979 Hayden, F. (Albers, J.) U.S. Geological Survey

Beyond USGS

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

External references

Maps centered on this site

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.