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

Franklin Shaft No.87

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

Geologic information

Identification information

Deposit ID 10264096
MAS/MILS ID 0080190639
Record type Site
Current site name Franklin Shaft No.87
Alternate or previous names Franklin Mine (MAS 0080190033)

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.50587, 39.75999 (WGS84)
Elevation 2682
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

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 Clear Creek

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Lead Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore
Silver Ore

Nearby scientific data

Main Entrance (1) -105.50587, 39.75999
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 1910
    Period 1888-1910
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Zinc Zinc 18%null%
    Minor Lead Lead 38%null%
    Minor Silver Silver 789g/mt
    Major Gold Gold 5g/mt

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 13-FEB-1978 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines
Updater 02-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.