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Sugarloaf Prospect

Past Producer in Shasta county in California, United States with commodities Copper, Gold, Iron, Silver, Sulfur, Zinc
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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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10141192
MRDS ID M020478
MAS/MILS ID 0060890478
Record type Site
Current site name Sugarloaf Prospect
Alternate or previous names Galvin Group, Galvin Mine
Related records 10033830

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -122.5189, 40.68595 (WGS84)
Elevation 1000
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Shasta(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Whiskeytown(quadrangle 1:24,000 scale)

Redding(quadrangle 1:100,000 scale)

Redding(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Shasta

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 033 N 006 W 26 SW California

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Iron Tertiary
Silver Secondary
Sulfur Tertiary
Zinc Critical Secondary

Materials information

Materials Type of material
Chalcopyrite Unknown
Gold Unknown
Pyrite Unknown
Silver Unknown
Sphalerite Unknown

Nearby scientific data

Main Entrance (1) -122.5189, 40.68595
ListMap

Economic information

Ore body information

  • Area 10HA
    Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 MASSIVE
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 TABULAR
    Type of Orebody #3 OTHER
    Shape of Orebody #3 LENTICULAR
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin CONT METASOMATIC
    Primary Ore Control FAULTING
    Secondary Ore Control FOLDING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 INTERM ARGILLIC
    Type of Wallrock Alter. #2 PYRITIZATION
    Type of Wallrock Alter. #3 SERICITIC
    Total Surface Area (HA) 10
    Date of Last Modification 830316

Comments on the geologic information

  • TYPE OF ORE BODY, THIRD CHOICE IS OTHER. IT IS IN FACT A MASSIVE SULFIDE ORE BODY.

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1900

Mineral rights holdings

Type of mineral rights Patented
Type of mineral rights Located Claim

Land status

Ownership category Mixed

Ownership information

  • Type Owner
    Owner Silver King
    Interest 100
    Home office California
    Year 1978
  • Type Owner
    Owner R. T. And W. J. Walker-1951, Past Owners
    Home office California
    Year 1978

Reference information

Bibliographic references

  • Deposit

    CLAWSON,R.F., 1969, SQUAW CR. CU IN WEST, CAL. DEP. WAT. RES

  • Deposit

    MEM. REPT., 29 P.

  • Deposit

    ERIC, J.H., 1948, TABULATION OF CU, DEP. OF CAL., PART 3 IN

  • Deposit

    COPPER IN CAL., CAL. DIV. MINES BULL. 144, P. 197-387.

  • Deposit

    KINKLE, A.R., HALL, W.E., AND ALBEERS, J.P., 1956, GEOL. AND

  • Deposit

    BASE METAL DEPOSITION OF WEST SHASTA COPPER ZINC DIST., SHA

  • Deposit

    STA CO., CAL., USGS PROF. PAPER 285.

  • Deposit

    MOORE,L., 1970, CU RES. AND PRODUCTION OF WEST SHASTA MINING

  • Deposit

    DISTRICT, USBM REP 85.

  • Deposit

    HILLMAN C.T., SCHUMACHER, GOSLING, 1977, THE WEST SHASTA DIS

  • Deposit

    TRICT, SHASTA COUNTY, CAL, USBM MAS REPORT, 40 P.

General comments

Subject category Comment text
Deposit SEE MAS SEQUENCE NUMBER 0475 FOR BENEFICATION AND UNDERGROUN D MINING.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Hillman U.S. Bureau of Mines

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.