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Coffin's Prospect

Occurrence in Montezuma county in Colorado, United States with commodities Uranium, Vanadium, Copper
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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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10014205
MRDS ID D010875
Record type Site
Current site name Coffin's Prospect
Related records 10118584

Geographic coordinates

Geographic coordinates: -108.82234, 37.34001 (WGS84)
Elevation 1664
Relative position 12.6 MILES S 87 W FROM CORTEZ

Site location context

Political divisions (FIPS codes)

Montezuma(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Battle Rock(quadrangle 1:24,000 scale)

Cortez(quadrangle 1:100,000 scale)

Cortez(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

McElmo(hydrologic unit)

Lower San Juan(hydrologic accounting unit)

San Juan(hydrologic subregion)

Upper Colorado(hydrologic region)

Geographic areas

Country State County
United States Colorado Montezuma

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 036N 018W 34 NW Colorado

Commodities

Commodity Importance
Uranium Primary
Vanadium Critical Primary
Copper Secondary

Materials information

Materials Type of material
Carnotite Ore
Malachite Gangue

Alteration

  • (Local) Cu Carbonate

Analytical data

Result COFFIN (1921) REPORTED ANALYSIS OF 0.09% U308, 1.05% V205, AND TRACE CU. ASSAYS FROM EARLY 1960S CONTAINED 0.004 TO 0.008% EQUIV U308, 0.52 TO 0.93% V205.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Entrada Sandstone
    Rock description Entrada Sandstone
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic

Economic information

Geologic structures

Type of structure Regional
Structure description Paradox Basin, Blanding Basin, Four Corners Platform, San Juan Basin
Type of structure Local
Structure description Mcelmo Dome, Mcelmo Anticline

Ore body information

  • Thickness 0.15M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1913

Mining district

District name Mcelmo Creek (Ute Mountains) Area

Land status

Ownership category Private

Comments on the workings information

  • ONE SURFACE PROSPECT PIT THAT HAS BEEN FILLED WITH ALLUVIUM AND WINDBLOWN SILT

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit DEPOSIT LIES JUST SE OF CREST OF SW-PLUNGING MCELMO ANTICLINE. U/V MINERALIZATION AND TRACES OF CU FOUND ALONG BEDDING PLANES IN 6-INCH ZONE OF ENTRADA SANDSTONE AND DID NOT APPEAR TO BE CONTROLLED BY FRACTURES. DEPOSIT DIFFERS FROM OTHERS IN AREA BY HAVING V MORE ABUNDANT THAN U.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1983 Schwochow, Stephen D. Colorado Geological Survey

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.