California

Past Producer in Gilpin county in Colorado, United States with commodities Gold, Silver, Copper, Lead
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Land status
  9. Production statistics
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10142687
MAS/MILS ID 0080470035
Record type Site
Current site name California
Alternate or previous names Hidden Treasure, Gardener

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -105.53226, 39.79249 (WGS84)
Elevation 2804

Site location context

Political divisions (FIPS codes)

Gilpin(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Central City(quadrangle 1:24,000 scale)

Denver West(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Clear(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Colorado Gilpin

Commodities

Commodity Importance
Gold Primary
Silver Tertiary
Copper Primary
Lead Primary

Nearby scientific data

Ore Body (1) -105.53226, 39.79249

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No

Land status

Ownership category Private

Production statistics

  • Year 1917
    Period 1890-1917
    Material ore
    Ore mined 5738.87mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Lead Lead 1432.44mt
    Major Copper Copper 332.48mt
    Trace Silver Silver 18040.01g
    Major Gold Gold 254861.92g

Reference information

Bibliographic references

  • Deposit

    MINE MAP REPO # 404734 404736 AND OTHERS REF: USGS PROF PAPE

  • Deposit

    MAS FILE

  • Deposit

    USGS PP 359, p. 72/73

Reporter information

Type Date Name Affiliation Comment
Reporter 24-FEB-1993 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines
Updater 19-JUN-0007 Melton, Greg U.S. Geological Survey

Beyond USGS

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

External references

Authoritative Colorado resources

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