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  3. Mineral Resource Data System (MRDS)

Rex Mine

Past Producer in Montrose county in Colorado, United States with commodities Uranium, Vanadium
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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. Workings at the site
  16. Links to other databases
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10288096
MAS/MILS ID 0080850450
Record type Site
Current site name Rex Mine

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -108.73397, 38.34029 (WGS84)
Elevation 1769

Site location context

Political divisions (FIPS codes)

Montrose(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Uravan(quadrangle 1:24,000 scale)

Nucla(quadrangle 1:100,000 scale)

Moab(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Miguel(hydrologic unit)

Upper Colorado-Dolores(hydrologic accounting unit)

Upper Colorado-Dolores(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CO)

Bureau of Land Management CO BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Colorado Montrose

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 047 N 017 W 10 SW Colorado

Commodities

Commodity Importance
Uranium Tertiary
Vanadium Critical Tertiary

Materials information

Materials Type of material
Carnotite Unknown
Uraninite Unknown

Nearby scientific data

Ore Body (1) Morrison Fm, Summerville Fm, and Entrada Sandstone
ListMap

Economic information

Ore body information

  • Strike N45S
    Dip 10S
    Thickness 0.6M
    Length 2416M
    Width 92M
    Area 1.2HA
    Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 IRREGULAR
    Shape of Orebody #2 TABULAR
    Shape of Orebody #3 LENTICULAR
    Primary mode of Origin RESIDUAL CONCENT
    Secondary mode of Origin OXIDATION
    Primary Ore Control LITHOLOGY
    Secondary Ore Control BEDDING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 BLEACHING
    Strike And Dip N45S:10S
    Total Surface Area (HA) 1.2
    Date of Last Modification 780722

Economic information about the deposit and operations

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

Mining district

District name Uravan

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Williams And Oliver
    Interest 100
    Home office Colorado
    Year 1975
  • Type Operator
    Owner Cleghorn And Washburn - Leasees
    Home office Colorado
    Year 1975

Comments on the production information

  • PRODUCTION IS ONGOING

Workings at the site

  • Type of workings Underground
    Length 9240M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method ROOM AND PILLAR 10-34
    Percent Waste Rock 65
    Hardness of Rock SOFT NONPLASTIC WITH LITTLE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING WHEN DRY
    Mine Support Chars. CHEMICAL COATING
    Number of Adits 1
    1st Condition of Workings OPEN
    Capacity 90.7
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 1
    Year of Information 1975

Reference information

General comments

Subject category Comment text
Deposit THIS MAS REPORT WAS COMPLETED FROM AN INTERVIEW WITH THE REX STAFF. THE REX MINE IS ENTERED THROUGH A HORIZONTAL ADIT THAT PASSE BENEATH OTHER URANIUM MINES. ABOUT 3/4 OF A MILE INTO THE AD THERE IS AN 80FT. RAISE TO THE ORE BEARING FORMATION. CURREN THERE IS ABOUT 805 METERS OF DRIFTING ALONG THE ORE BEARING FORMATION. CURRENTLY THEY ARE STOCKPILING AND DOING SOME DEV WORK IN ANTICIPATION OF HIGHER PRICES BEING OFFERED BY GENERAL ELECTRIC. THE AREA AROUND THE MINE IS NOT DRILLED OUT YET, ITS FUTURE POTENTIAL IS UNKNOWN BUT IT IS EXPECTED THAT ORE WILL CONTINUE IN ITS PRESENT TREND. THE MONTROSE COUNTY ASSESSOR REPORTED THE FOLLOWING VALUES F GROSS VALUE OF ORE PRODUCED,DEVELOPMENT COST AND HAULAGE COS DATE GROSS VALUE DEVELOPMENT COST HAULAGE COST 1/6/74 23673.81 2012.10 741.61 2/6/74 24547.36 2083.37 686.81 3/6/74 30008.89 2547.80 739.67 4/6/74 23825.01 2063.38 738.63 5/6/74 26089.04 2152.84 678.09 6/6/74 17956.42 2711.71 911.78 7/6/74 10628.30 1577.70 537.66 8/6/74 3638.39 531.51 282.03 9/6/74 1963.35 281.67 149.16 10/6/74 11987.51 1676.57 834.99 11/6/74 6720.45 915.01 456.39 12/6/74 4428.89 440.80 173.07

Reporter information

Type Date Name Affiliation Comment
Reporter 10-MAY-1985 Minecom U.S. Bureau of Mines

Beyond USGS

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

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.