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  3. Mineral Resource Data System (MRDS)

Eastern Star Mine

Past Producer in Saguache county in Colorado, United States with commodities Gold, Silver, 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. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  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 10101772
MRDS ID D008967
Record type Site
Current site name Eastern Star Mine

Geographic coordinates

Point of reference Pit
Geographic coordinates: -105.6428, 37.93252 (WGS84)
Elevation 2582
Location accuracy 100(meters)
Relative position 5.4 MILES S 35 E OF CRESTONE

Site location context

Political divisions (FIPS codes)

Saguache(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Crestone(quadrangle 1:24,000 scale)

Blanca Peak(quadrangle 1:100,000 scale)

Trinidad(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Luis(hydrologic unit)

Rio Grande Headwaters(hydrologic accounting unit)

Rio Grande Headwaters(hydrologic subregion)

Rio Grande(hydrologic region)

Geographic areas

Country State County
United States Colorado Saguache

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 043N 012E 34 SW Colorado

Comments on the location information

  • AT COTTONWOOD ONE MILE SE OF INDEPENDENCE MINE. S-T-R ABOVE IS PROJECTED INTO UNSURVEYED LAND GRANT ; INFO FROM LAND.ST :1976

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore
Pyrite Ore
Quartz Gangue

Alteration

  • (Local) Upper Portions Oxidized To Limonite And Copper Carbonates
  • (Local) epidote, quartz

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
    Rock unit name Diabase
    Rock description Uralite Diabase
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Granodiorite Gneiss
    Rock description Granodiorite Gneiss

Nearby scientific data

Pit (1) -105.6428, 37.93252
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Sangre De Cristo Range, Sierra Blanca Massif, Rio Grande Rift
Type of structure Local
Structure description Sangre De Cristo Fault, Independence Mine Fault, "A" Fault

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Crestone District

Land status

Ownership category Private

Reference information

Bibliographic references

  • Deposit

    COLORADO DIV. MINES ANNUAL OPERATOR REPTS.

  • Deposit

    CLEMENT, J.F., 1952, THE GEOLOGY OF THE NORTHEASTERN BACA GRANT AREA, SAGUACHE COUNTY, COLORADO: COLORADO SCHOOL OF MINES M.S., THESIS T-764

General comments

Subject category Comment text
Deposit QUARTZ-PYRITE-CHALCOPYRITE VEINS LIE IN SHEAR ZONES AND IRREGULAR FRACTURES AND CONTAIN FREE-MILLING GOLD AND CONSIDERABLE PYRITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1982 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.