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  3. Mineral Resource Data System (MRDS)

Freeland Mine & Extension Mine

Past Producer in Clear Creek county in Colorado, United States with commodities Copper, Gold, Lead, Silver, Zinc
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Host and associated rocks
  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 10166484
MAS/MILS ID 0080190643
Record type Site
Current site name Freeland Mine & Extension Mine
Alternate or previous names Diamond Tun, Platt Tun,Freeland Sh, Extension Line Sh,Minnie Tun

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.58948, 39.74332 (WGS84)
Elevation 2835
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)

Geographic areas

Country State County
United States Colorado Clear Creek

Commodities

Commodity Importance
Copper Tertiary
Gold Primary
Lead Tertiary
Silver Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Pyrite Ore
Chalcopyrite Ore
Tetrahedrite Ore
Quartz Gangue
Siderite Trace

Mineral occurrence model information

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

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite

Nearby scientific data

Main Entrance (1) -105.58948, 39.74332
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 Private

Production statistics

  • Year 1935
    Period 1902-1935
    Material ore
    Ore mined 37260.82mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Zinc Zinc 78749.07mt
    Trace Silver Silver 3075045.64g
    Trace Lead Lead 1517054.19mt
    Major Gold Gold 346026.22g
    Trace Copper Copper 98267.15mt

Comments on the production information

  • Production information is combined with all of Freeland group mines (Freeland, Freeland Extension, Toledo, Gum Tree and Shakespeare)

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 17-NOV-1983 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines
Updater 17-JUL-0007 Melton, Greg 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 Colorado resources

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