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  3. Mineral Resource Data System (MRDS)

Big Six Mine

Past Producer in Boulder county in Colorado, United States with commodity Tungsten
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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. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10017195
MRDS ID DC03057
MAS/MILS ID 80130539
Record type Site
Current site name Big Six Mine
Alternate or previous names Mock Shaft
Related records 10117734

Comments on the site identification

  • Mock Shaft is in the Big Six Mine.

Geographic coordinates

Geographic coordinates: -105.51535, 39.96764 (WGS84)
Relative position Assumed Mock Shaft is the northern of the 2 unlabled shafts shown on topo in NW4 of NW4 Sec. 13, north of Nederland.

Site location context

Political divisions (FIPS codes)

Boulder(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Nederland(quadrangle 1:24,000 scale)

Denver West(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

St. Vrain(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 Boulder

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 01S 73W 13 NW4 of NW4 Colorado

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Ferberite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -105.51535, 39.96764
ListMap

Economic information

Comments on the geologic information

  • VEIN STRIKES N 20 E, DIPS 60-70 SE COUNTRY ROCK OF PRECAMB. SCHISTS, GNEISSES, AND GRANITES CUT BY APLITE AND PEGMATITE DIKES. QUARTZ STREAK CONTAINING FERBERITE STRINGERS ON HANGING WALL.

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Boulder Co. Tungsten Dist.

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Lloyd P Mock
  • Type Owner
    Owner Richard Tatlow III
    Year 1960
  • Type Operator
    Owner Lou Mock
    Year 1960

Reference information

Bibliographic references

  • Deposit

    DMEA RECORDS Docket DMEA-3182

  • Deposit

    CONSV. DIV. COMP. DATE, 10,62

  • Deposit

    MINE MAP REPO[sitory] # 405271, 402551

  • Deposit

    Lovering and Tweto, 1953, USGS Prof. Paper 245, p. 125.

  • Deposit

    Colorado Metal Mining Fund Board, 1960, Tungsten Mines of Colorado.

General comments

Subject category Comment text
Deposit NO NEW ORE RESERVES DISCOVERED.

Reporter information

Type Date Name Affiliation Comment
Reporter 1973-03-01 Conservation Division Files U.S. Geological Survey
Editor 2007-05-29 Melton, Greg U.S. Geological Survey also MAS 0080130539 = 10117734
Editor 2013-12-31 Wilson, Anna B U.S. Geological Survey merged and deleted duplicate records.
Reporter 1983-11-17 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines MAS 0080130539 = 10117734, 0080130113 = 10214263

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.