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

Anchor

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

Geologic information

Identification information

Deposit ID 10239448
MRDS ID D000431
MAS/MILS ID 0080470069
Record type Site
Current site name Anchor
Related records 10008355

Geographic coordinates

Point of reference Trench
Geographic coordinates: -105.50531, 39.78027 (WGS84)
Elevation 2652
Location accuracy 100(meters)

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
Copper Tertiary
Gold Primary
Lead Tertiary
Silver Tertiary
Zinc Critical Tertiary
Molybdenum Secondary

Materials information

Materials Type of material
Pyrite Ore

Mineral occurrence model information

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

Nearby scientific data

Trench (1) -105.50531, 39.78027
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
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Silver Silver 439g/mt
    Trace Lead Lead 3%null%
    Major Gold Gold 15g/mt
    Trace Copper Copper 0%null%
  • Year 1945
    Period 1907-1945
    Material ore
    Ore mined 8811.54mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Zinc Zinc 13139.66mt
    Trace Silver Silver 3022107.52g
    Trace Lead Lead 215332.09mt
    Major Gold Gold 83979.39g
    Trace Copper Copper 45952.53mt

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 20-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

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.