1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Tollgate Prospect

Past Producer in Calaveras county in California, United States with commodity Gold
Map
XML
JSON
KML
B
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. Economic information about the deposit and operations
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10029097
MRDS ID M006456
Record type Site
Current site name Tollgate Prospect
Alternate or previous names Claims: Port Arthur, Marshall, Prince, Beaker
Related records 10260065

Geographic coordinates

Geographic coordinates: -120.5649, 38.07574 (WGS84)
Relative position 1 MI W OF ANGELS CAMP

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Angels Camp(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Stanislaus(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 003N 013E 29,32 California

Comments on the location information

  • UTM EST. NE 1/4 SEC 32 PORT ARTHUR, SE 1/4 29?

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -120.5649, 38.07574
ListMap

Economic information

Economic information about the deposit and operations

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

Comments on the production information

  • ACTIVE PRIOR TO 1892 & INTERMITTENTLY THERE AFTER UNTIL 1925. LESS THAN 100 TONS MILLED REPORTED TO HAVE ASSAYED WELL AND TO HAVE YIELDED $4/TON IN GOLD, WITH AN UNKNOWN AMOUNT IN SULFIDES. THIS CAME FROM THE 100 FT LEVEL, BUT ABOUT 50 FT OF WORK ON THE 150 FT LEVEL WAS SAID TO ASSAY TOO LOW TO MAKE ORE PROFITABLE.

Workings at the site

  • Type of workings Underground
    Area 14.165HA

Comments on the workings information

  • INCLINED SHAFT 150 FT. W LEVELS AT 100 & 150 FT 3-STAMP MILL, 1 VANNER, SMALL HOIST AND BUILDINGS ON PROPERTY.

Reference information

Bibliographic references

  • Deposit

    CLARK, W. B., & LYDON, P. A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.: CALIF. DIV. MINES & GEOL., COUNTY REPORT 2, P. 34 - 35, 184 AND PL B

  • Deposit

    LOGAN, C. A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS CO.: CDM CALIF. JOUR. MINES & GEOL., VOL. 32, P. 321

  • Deposit

    LOGAN, C. A., 1934 , MOTHER LODE GOLD BELT OF CALIF.: CDM BULL. 108, P. 148, 159

  • Deposit

    LOGAN, C.A., 1925 , SACRAMENTO FIELD DIVISION - CALAVERAS CO.: CALIF. MIN. BUREAU, REPT. 21ST STATE MINERALOGIST, P. 159 - 160

  • Production

    CLARK, 1962

General comments

Subject category Comment text
Deposit MAP GP-561 SHOWS SEVERAL MINE LOC. IN SE1/4 29, NE1/4 32. ; INFO.SRC : 1 PUB LIT
Deposit VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-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.

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.