Fair Day Mine

Past Producer in Boulder county in Colorado, United States with commodities Uranium, Vanadium
Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10165740
MRDS ID D002198
MAS/MILS ID 0080130039
Record type Site
Current site name Fair Day Mine
Related records 10009300

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -105.42399, 40.11748 (WGS84)

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 002 N 072 W 23 Colorado

Commodities

Commodity Importance
Uranium Tertiary
Vanadium Critical Tertiary

Materials information

Materials Type of material
Autunite Unknown
Biotite Unknown
Galena Unknown
Gold Unknown
Graphite Unknown
Hornblende Unknown
Manganite Unknown
Marcasite Unknown
Pyrite Unknown
Silver Unknown
Torbernite Unknown
Uraninite Unknown

Nearby scientific data

Ore Body (1) -105.42399, 40.11748

Economic information

Ore body information

  • Depth to top 68.6M
    Field Value
    Type of Orebody #1 BRECCIA FILL
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 LENTICULAR
    Type of Orebody #3 SHEAR ZONE
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin CONT METASOMATIC
    Primary Ore Control FRACTURING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 INTERM ARGILLIC
    Type of Wallrock Alter. #2 PYRITIZATION
    Minimum Depth to Top 61
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1865

Mining district

District name Jamestown Area

Mineral rights holdings

Type of mineral rights Private Lease
Type of mineral rights Located Claim

Land status

Ownership category Private

Ownership information

  • Type Unknown
    Owner Busby, R. L.
    Home office Colorado
    Year 1975

Reference information

General comments

Subject category Comment text
Deposit INFORMATION FROM DMEA REPORT, DOCKET NO. 4721, DATED 1958. T A REVIEW REPORT OF WORK DONE UNDER DMEA CONTRACT. THE CLAIMS THE S 1/2 S 1/2 NE 1/4 AND THE SE 1/4 SEC. 23, T. 2 N., R. 7 6TH P.M. INCLUDED IN THE DMEA REPORT ARE LOCATION, CLAIM AND LOGIC MAPS. THE MINE WAS AN EARLY GOLD AND FLUORSPAR PRODUCE THE TIME OF THE REPORT, URANIUM PRODUCTION CONSISTED OF ABOU TONS OF .6% U308 ORE. INFERRED RESERVES WERE 4000 TONS OF .7 ORE DEPOSITS ARE LOCALIZED WHERE SHEAR ZONES TRANSECT XENOLI LIKE BODIES OF GNEISS AND SCHIST IN THE GRANITE COUNTRY ROCK RESULT OF DMEA EXPLORATION, THE DMEA REPORT CONCLUDED THAT E TION HAD NOT RESULTED IN THE DISCOVERY OF SIGNIFICANT URANIU POSITS AND CONCLUDED FURTHER EXPLORATION ASSISTANCE BE DENIE

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Minecom U.S. Bureau of Mines

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.