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

Avalanche Shaft

Past Producer in Clear Creek county in Colorado, United States with commodities Gold, Lead, Silver
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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 10287432
MAS/MILS ID 0080190173
Record type Site
Current site name Avalanche Shaft

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.60249, 39.74829 (WGS84)
Elevation 2889
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
Gold Primary
Lead Tertiary
Silver Tertiary

Materials information

Materials Type of material
Pyrite Ore
Galena Ore
Sphalerite 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) -105.60249, 39.74829
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 1915
    Period 1910-1915
    Material ore
    Ore mined 31.49mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 17g/mt
    Trace Silver Silver 171g/mt
    Trace Lead Lead 25%null%

Reference information

Bibliographic references

  • Deposit

    REF:USGS BULLETIN 1032, p. 88

Reporter information

Type Date Name Affiliation Comment
Reporter 17-NOV-1983 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines

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.