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Ascension Mine

Past Producer in Jefferson county in Colorado, United States with commodities Uranium, Vanadium
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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. 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. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10288203
MRDS ID D010153
MAS/MILS ID 0080590010
Record type Site
Current site name Ascension Mine
Related records 10107989

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -105.28558, 39.77669 (WGS84)
Elevation 2121

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ralston Buttes(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)

Geographic areas

Country State County
United States Colorado Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 003 S 071 W 24 NW Colorado

Commodities

Commodity Importance
Uranium Tertiary
Vanadium Critical Tertiary

Materials information

Materials Type of material
Amphibole Unknown
Biotite Unknown
Feldspar Unknown
Muscovite Unknown
Quartz Unknown
Sillimanite Unknown
Uraninite Unknown

Nearby scientific data

Ore Body (1) -105.28558, 39.77669
ListMap

Economic information

Ore body information

  • Strike N62W
    Dip 70E
    Thickness 0.3M
    Length 80M
    Depth to top 53.4M
    Field Value
    Type of Orebody #1 BRECCIA FILL
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 SHEAR ZONE
    Shape of Orebody #2 TABULAR
    Type of Orebody #3 FISSURE VEIN
    Shape of Orebody #3 LENTICULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 SILICIFICATION
    Type of Wallrock Alter. #2 SERICITIC
    Strike And Dip N62W:70E
    Minimum Depth to Top 45.8
    Date of Last Modification 780921

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1955
Year of first production 1956

Mining district

District name Front Range

Mineral rights holdings

Type of mineral rights Private Lease

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Cotter Corp.
    Interest 100
    Home office Colorado
    Year 1975

Comments on the production information

  • PRODUCTION FROM THE MINE HAS BEEN AS FOLLOWS: 1956, 440 TONS DAYS OF PRODUCTION; 1957, EXPLORATION; 1962, 100 TONS/MONTH, U308, 365 DAYS OF PRODUCTION; 1963, 4158LBS., 229 DAYS OF PR 1970-1972, EXPLORATION AND DEVELOPMENT, 300 DAYS OF PROD./YE ADDITIONAL INFORMATION IN DMEA REPORT, DOCKET NO. 4656, DATE INCLUDED IN THE DMEA REPORT ARE LOCATION AND GEOLOGIC MAPS. TIME OF THE REPORT, BASED ON DMEA EXPLORATION, INFERRED RESERVES WERE ESTIMATED AT 10000 TONS OF .3% U308. NO FURTHER EXPLORATION WAS PLANNED IN THE DMEA REPORT. COTTER CORP. IS CURRENTLY LEASING FROM ALAN ELEE & DON ANDER

Reference information

Bibliographic references

  • Deposit

    USBM 1974 PROD TAB (WASH) OWN/OP;COTTER CORP.

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

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.