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  3. Mineral Resource Data System (MRDS)

Elisha Group

Occurrence in Saguache county in Colorado, United States with commodities Uranium, Mercury
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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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Mineral rights holdings
  16. Land status
  17. Ownership information
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10013029
MRDS ID D009100
MAS/MILS ID 81090012
Record type Site
Current site name Elisha Group
Related records 10240097

Geographic coordinates

Point of reference Approximate
Geographic coordinates: -106.76861, 38.30375 (WGS84)
Elevation 2819
Location accuracy 500(meters)
Relative position 18.3 MILES S27E FROM GUNNISON. Coordinates are east and southeast of Mercury Mine (as described in comment).

Site location context

Political divisions (FIPS codes)

Saguache(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sawtooth Mountain(quadrangle 1:24,000 scale)

Saguache(quadrangle 1:100,000 scale)

Montrose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Tomichi(hydrologic unit)

Gunnison(hydrologic accounting unit)

Gunnison(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 Saguache

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 047N 002E 29 NE Colorado

Comments on the location information

  • ON HILLSIDE WEST OF COCHETOPA CREEK AND EAST AND SOUTHEAST OF MERCURY MINE ; INFO FROM LAND.ST :1976

Commodities

Commodity Importance
Uranium Primary
Mercury Tertiary

Materials information

Materials Type of material
Torbernite Ore
Uranophane Ore
Uraninite Ore
Marcasite Gangue

Alteration

  • (Local) Hematite Staining

Analytical data

Result BACKGROUND RADIATION 0.02 TO 0.03 MR/HR, RANGE TO 1.5 MR/HR ON MINERALIZED BOULDERS

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyodacite
    Rock unit name Early Intermediate-Composition Flows And Breccias
    Rock description Early Intermediate-Composition Flows And Breccias
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Morrison Formation;Dakota Sandstone
    Rock description Morrison Formation;Dakota Sandstone

Nearby scientific data

Approximate (1) -106.76861, 38.30375
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Cochetopa Dome; Los Ochos Fault; Razor Creek Dome; Unnamed Fault
Type of structure Regional
Structure description San Juan Volcanic Field; Gunnison Uplift

Comments on the ore body information

  • Orebody info from MAS Matrix (from deleted MAS record 0081090012): Type of Orebody #1 : SEDIMENTARY Shape of Orebody #1 : LENTICULAR Shape of Orebody #2 : IRREGULAR Primary mode of Origin : RESIDUAL CONCENT Secondary mode of Origin : OXIDATION Primary Ore Control : LITHOLOGY Secondary Ore Control : BEDDING Date of Last Modification : 780213

Controls for ore emplacement

  • Silicification, Fracturing, Brecciation Of Sedimentary Rocks Along Los Ochos And Related Faults

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Cochetopa (Cochetopa Creek) District

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Unknown
    Owner Muriel Gould
    Home office Colorado
    Year 1975

Comments on the workings information

  • TWO TRENCHES 90 TO 110 FT LONG AND 8 TO 12 FT DEEP

Comments on development

  • DISTRICT MINED PREVIOUSLY FOR AU AND BASE METALS. GUNNISON MINING CO. DISCOVERED URANIUM IN 1954 ALONG LOS OCHOS FAULT.

Reference information

General comments

Subject category Comment text
General INFORMATION FROM PRR-2371, DATED 1955. RADIOACTIVITY: 75XBG RADIOACTIVITY OCCURS IN DAKOTA SANDSTONE BOULDERS. THERE ARE UNDERGROUND WORKINGS RELATED TO MERCURY EXPLORATION IN 1937. REPORT IS A LOCATION SKETCH MAP. THE 7-1/2 MINUTE USGS MAP F AREA IS SAWTOOTH MTN.
Deposit FAULT ZONE TRENDS N 75 TO 80 W

Reporter information

Type Date Name Affiliation Comment
Reporter 1982-06-01 Schwochow, Stephen D. Colorado Geological Survey
Editor 2012-09-17 Wilson, Anna B U.S. Geological Survey merged and deleted duplicate record 10240097
Reporter 1984-02-27 Minecom U.S. Bureau of Mines MAS 0081090012

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.