Good Friday Mine

Past Producer in Boulder county in Colorado, United States with commodity Tungsten
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. Reporter information

Geologic information

Identification information

Deposit ID 10091304
MRDS ID DC03430
MAS/MILS ID 80130350
Record type Site
Current site name Good Friday Mine
Alternate or previous names April Fool, Good Friday, Good Friday, Good Friday Tungsten Mine
Related records 10117131

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.40222, 40.00428 (WGS84)
Location accuracy 10(meters)
Relative position Adit shown and labeled on topo.

Site location context

Political divisions (FIPS codes)

Boulder(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Gold Hill(quadrangle 1:24,000 scale)

Estes Park(quadrangle 1:100,000 scale)

Greeley(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 01N 72W 36 SE4 of SE4 of NW4 Colorado

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Ferberite Ore
Coloradoite Trace

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

Main Entrance (1) -105.40222, 40.00428

Economic information

Comments on the geologic information

  • FERBERITE AND QTZ. ON PLEASANT DREAM AND GOOD FRIDAY VEINS IN GRANITE

Economic information about the deposit and operations

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

Mining district

District name Sugar Loaf
District name Boulder County Tungsten District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Star Tungsten Corp.
    Year 1953
  • Type Lessee
    Owner H.R. Meyer
    Home office (sublet at times to Earl Craig and associates, Fortuna Mining & Milling Co., and George Jump)
    Year 1953
    Last year 1945

Comments on the production information

  • OVER 100,000 UNITS WO3 (Sharps, 1965, p. 4)

Reference information

Bibliographic references

  • Deposit

    DMEA RECORDS, DMEA Docket 2343.

  • Deposit

    BLM COLO CONNECTING SHEETS

  • Deposit

    USGS GOLD HILL TOPO QUAD, 1957, 7 1/2 MIN.

  • Deposit

    CONSV. DIV. COMP. DATE, 1,62

  • Deposit

    Sharps, 1965, Tungsten in Colorado: Colorado School of Mines Mineral Industries Bulletin, v. 8, no. 5, 16 p.

  • Deposit

    Lovering and Tweto, 1953, USGS Prof. Paper 245, p. 170-172, 174.

  • Deposit

    Lovering and Goddard, 1950, USGS Prof. Paper 223.

  • Deposit

    Vanderwilt, 1947, Mineral Resources of Colorado: Colorado Mineral Resources Board, p. 330.

  • Deposit

    MINE MAP REPO[sitory] # 402556, 405108.

Reporter information

Type Date Name Affiliation Comment
Reporter 1973-03-01 Conservation Division Files U.S. Geological Survey
Editor 2007-05-18 Melton, Greg U.S. Geological Survey also 0080130350 = 10117139
Reporter 2013-12-19 Wilson, Anna B U.S. Geological Survey merged and deleted duplicates
Reporter 1984-02-03 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines 0080130350 = 10117131
Reporter 1983-11-17 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines MAS 0080130077 = 10214543
Reporter 1972-07-01 Conservation Division Files U.S. Geological Survey DC00091 = 10108017

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Authoritative Colorado resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.