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First Chance

Producer in San Juan county in Colorado, United States with commodity Tungsten
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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. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Production statistics
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10018665
MRDS ID DC05837
Record type Site
Current site name First Chance
Related records 10143061

Geographic coordinates

Geographic coordinates: -107.66036, 37.87779 (WGS84)
Relative position DRY GULCH, 8 MILE N. OF SILVERTON.

Site location context

Political divisions (FIPS codes)

San Juan(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ironton(quadrangle 1:24,000 scale)

Silverton(quadrangle 1:100,000 scale)

Durango(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Animas(hydrologic unit)

Upper San Juan(hydrologic accounting unit)

San Juan(hydrologic subregion)

Upper Colorado(hydrologic region)

Geographic areas

Country State County
United States Colorado San Juan

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 42N 07W 20 Colorado

Commodities

Commodity Importance
Tungsten Critical Primary

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic)
    Stratigraphic age (youngest) Pliocene

Nearby scientific data

(1) -107.66036, 37.87779
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Production statistics

  • Year 1953
    Accuracy Accurate
    Description Ap_Grade: ^10. % W
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Tungsten Tungsten 10wt-pct

Comments on the reserve resource information

  • POTENTIAL UNKOWN

Reference information

Bibliographic references

  • Deposit

    STATE OF COLO. MINING FUND BOARD, 1960, TUNGSTEN MINES OF COLO, P. 32.

  • Deposit

    CONSV. DIV. COMP. DATE, 3,64

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1973 Conservation Division Files U.S. Geological Survey
Updater 01-JAN-1974 Unknown U.S. Geological Survey

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.