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Sisk Mine

Past Producer in Boulder county in Colorado, United States with commodities Flagstone, Uranium
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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. Mineral rights holdings
  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 10263047
MRDS ID DC02712
MAS/MILS ID 0080130053
Record type Site
Current site name Sisk Mine
Related records 10108178

Geographic coordinates

Point of reference Town
Geographic coordinates: -105.26749, 40.22528 (WGS84)
Elevation 1646
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Boulder(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lyons(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)

Geographic areas

Country State County
United States Colorado Boulder

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 003 N 070 W 18 Colorado

Commodities

Commodity Importance
Flagstone Tertiary
Uranium Tertiary

Materials information

Materials Type of material
Garnet Unknown
Magnetite Unknown
Uraninite Unknown

Nearby scientific data

Town (1) -105.26749, 40.22528
ListMap

Economic information

Ore body information

  • Depth to top 7.6M
    Field Value
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 FISSURE VEIN
    Shape of Orebody #2 TABULAR
    Shape of Orebody #3 LENTICULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 CARBONATE SILIC
    Minimum Depth to Top 0
    Date of Last Modification 790503

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Both
Significant No
Discovery year 1956

Mineral rights holdings

Type of mineral rights Private Lease

Land status

Ownership category Private

Ownership information

  • Type Unknown
    Owner Enibeta Corp.
    Home office Colorado
    Year 1975

Reference information

Bibliographic references

  • Deposit

    COLO BOM 1960 LIST

General comments

Subject category Comment text
Deposit INFORMATION FROM DMEA REPORT, DOCKET NO. 4961, DATED 1958. T AREA IS ON THE 7-1/2 MINUTE MAP, PINEWOOD LAKE. INCLUDED IN PORT ARE LOCATION AND GEOLOGIC MAPS. AT THE TIME OF THE REPO PRODUCTION CONSISTED OF 10-12 TONS OF .15-.20% U308. MINE WO CONSISTED OF: 40-FT. INCLINE; 16-FT. DRIFT; 130-FT. DRIFT; 1 CROSSCUT. ORE IS FOUND IN SMALL RANDOM PODS IN GARNETIFEROUS NO SIGNIFICANT QUANTITIES OF URANIUM ARE TO BE EXPECTED. THE REPORT CONCLUDED ASSISTANCE BE DENIED FOR EXPLORATION. THE PRINTOUT LISTS THE MOST RECENT MINE CONTROLLER AS ENIBETA CO GEOLOGIC INFORMATION IN BACKUP REPORT.

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.