Pallaro Lease

Past Producer in Jefferson county in Colorado, United States with commodity Uranium
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 10142703
MRDS ID D002231
MAS/MILS ID 0080590019
Record type Site
Current site name Pallaro Lease
Alternate or previous names Morrison Mine, Four Corners Mine, Morrison
Related records 10009313

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -105.17528, 39.62999 (WGS84)
Elevation 1854

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Morrison(quadrangle 1:24,000 scale)

Denver West(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper South Platte(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 005 S 070 W 12 E2 Colorado

Commodities

Commodity Importance
Uranium Tertiary

Materials information

Materials Type of material
Uraninite Unknown

Nearby scientific data

Ore Body (1) -105.17528, 39.62999

Economic information

Ore body information

  • Strike N40W
    Dip 50W
    Thickness 3M
    Length 19M
    Width 6M
    Field Value
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 FISSURE VEIN
    Type of Orebody #3 SEDIMENTARY
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin RESIDUAL CONCENT
    Primary Ore Control FAULTING
    Secondary Ore Control LITHOLOGY
    Strike And Dip N40W:50W
    Date of Last Modification 780921

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1954
Year of first production 1955

Mining district

District name Front Range

Mineral rights holdings

Type of mineral rights Patented

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Four Corners Oil
    Interest 100
    Home office Colorado
    Year 1975

Reference information

General comments

Subject category Comment text
Deposit THE MODE OF ORIGIN IS STILL BEING DEBATED BETWEEN A HYDROTHE ORIGIN AND AN EPIGENETIC ORIGIN WHEREBY URANIUM WAS CARRIED SOLUTION BY GROUNDWATERS ADDITIONAL INFORMATION OBTAINED FROM DMEA REPORT, DOCKET NO. DATE OF REPORT IS 1957. AT THAT TIME MINE WORKINGS CONSISTE 75-FOOT SHAFT, 310 FT. OF DRIFTING, AND SOME STOPING. PRODU AMMOUNTED TO 681 TONS AVERAGING .196% U308. INCLUDED IN THE ARE LOCATION, CLAIM, AND MINE MAPS. THE DMEA REPORT CONCLUD REQUEST FOR ASSISTANCE BE GRANTED.

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.