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  3. Mineral Resource Data System (MRDS)

Emma

Past Producer in Dolores county in Colorado, United States with commodities Gold, Lead, Silver, Zinc
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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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10166487
MRDS ID D010905
MAS/MILS ID 0080330066
Record type Site
Current site name Emma
Alternate or previous names Emma Gold Mine Group
Related records 10014230

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -108.10595, 37.76061 (WGS84)
Elevation 2694
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Dolores(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dolores Peak(quadrangle 1:24,000 scale)

Dove Creek(quadrangle 1:100,000 scale)

Cortez(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Dolores(hydrologic unit)

Upper Colorado-Dolores(hydrologic accounting unit)

Upper Colorado-Dolores(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

San Juan National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Dolores

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 041 N 011 W 32 SESE Colorado

Commodities

Commodity Importance
Gold Primary
Lead Tertiary
Silver Tertiary
Zinc Critical Tertiary

Nearby scientific data

Main Entrance (1) -108.10595, 37.76061
ListMap

Economic information

Ore body information

  • Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Primary mode of Origin HYDROTHERMAL
    Date of Last Modification 920619

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 Dunton

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner National Gold And Nickel Mines, Inc.
    ID 503604
    Interest 100
    Home office Canada
    Year 1991

Reference information

Bibliographic references

  • Deposit

    NEUBERT, J.T., 1992, MINERAL APPRASIAL OF SAN JUAN NATIONAL

  • Deposit

    FOREST, CO: U.S. BUREAU OF MINES MINERAL LAND ASSESSMENT

  • Deposit

    OPEN-FILE REPORT 2-92 (SAMPLES 29-35)

  • Deposit

    CANADIAN MINES HANDBOOK, 1988, P. 381

Reporter information

Type Date Name Affiliation Comment
Reporter 22-JUN-1992 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines

Beyond USGS

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

Current status (per MSHA)

StatusAbandoned since 11/18/1980
MSHA mine ID0503604
Mine name (MSHA)Oro-Fino
Current operatorPaul S Coupey
Mine typeUnderground (Metal / non-metal)

MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.

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.