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

Free Gold

Past Producer in Clear Creek county in Colorado, United States with commodities Gold, Silver, 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. Mineral occurrence model information
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10142253
MAS/MILS ID 0080190642
Record type Site
Current site name Free Gold

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.53892, 39.73055 (WGS84)
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Clear Creek(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Idaho Springs(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)

Federal lands

Arapaho and Roosevelt National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Clear Creek

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 004 S 073 W 03 Colorado

Commodities

Commodity Importance
Gold Primary
Silver Primary
Zinc Critical Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Tennantite Ore

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Nearby scientific data

Main Entrance (1) -105.53892, 39.73055
ListMap

Economic information

Economic information about the deposit and operations

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

Mining district

District name Central City

Land status

Ownership category National Forest

Production statistics

  • Year 1934
    Period 1929, 1934
    Material ore
    Ore mined 19.68mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Zinc Zinc 101.15mt
    Major Silver Silver 2332.76g
    Major Gold Gold 622.06g

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 06-FEB-1980 Fairbank, Bonnie B. U.S. Bureau of Mines
Updater 18-JUL-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

Maps centered on this site

Authoritative Colorado resources

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