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

Muscovite

Past Producer in Clear Creek county in Colorado, United States with commodities Gold, Silver, Lead
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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 10287860
MAS/MILS ID 0080191098
Record type Site
Current site name Muscovite

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.59639, 39.71939 (WGS84)
Elevation 2819
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

Commodities

Commodity Importance
Gold Primary
Silver Tertiary
Lead Secondary

Materials information

Materials Type of material
Pyrite Ore
Galena Ore
Sphalerite Ore
Tetrahedrite Ore
Quartz Gangue

Nearby scientific data

Main Entrance (1) Biotitic gneiss, schist, and migmatite
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 1920
    Period 1907-09, 1916, 20
    Material ore
    Ore mined 11.81mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Lead Lead 12.24mt
    Trace Silver Silver 16609.25g
    Major Gold Gold 248.82g

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

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.