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  3. Mineral Resource Data System (MRDS)

Big Four

Producer in Summit county in Colorado, United States with commodities Lead, Zinc
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10018528
MRDS ID DC05603
Record type Site
Current site name Big Four

Geographic coordinates

Geographic coordinates: -106.32646, 39.87878 (WGS84)
Relative position N. OF BLUE RIVER ON S. SIDE OF GREEN MTN.

Site location context

Political divisions (FIPS codes)

Summit(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

King Creek(quadrangle 1:24,000 scale)

Vail(quadrangle 1:100,000 scale)

Leadville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Blue(hydrologic unit)

Colorado Headwaters(hydrologic accounting unit)

Colorado Headwaters(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

White River National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Summit

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 02S 80W 14 Colorado

Comments on the location information

  • LATITUDE AND LONGITUDE WERE APPROXIMATED USING BUREAU OF LAND MANAGEMENT'S GGWL (GEOGRAPHIC WELL LOCATOR) PROGRAM FOR THE FOOTAGE CALL: T02S R80W SECTION 14, 2640 FT N, 2640 FT E.

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary

Materials information

Materials Type of material
Sphalerite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Monzonite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) Colorado Group
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: HI-GRADE SPHAL. 45% ZN WITH 10 TO 20 OZ SILVER PER TON.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Green Mountain

Reference information

Bibliographic references

  • Deposit

    MIN. COMMODITY FILES, DOC. 3535-3562.

  • Deposit

    USBM REPT. INV. 3883, 1946

  • Deposit

    CONSV. DIV. COMP. DATE, 8,65

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1973 Conservation Division Files 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.