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La Encantada Mine

Past Producer in Coahuila De Zaragoza, Mexico with commodities Silver, Lead, Zinc
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Ownership information
  11. Reserves and resources
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10073101
MRDS ID W018919
Record type Site
Current site name La Encantada Mine

Geographic coordinates

Geographic coordinates: -105.88385, 26.93364 (WGS84)

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico Coahuila De Zaragoza

Comments on the location information

  • LAT. AND LONG. ARE FOR NEARBY SAN FRANCISCO MINE

Commodities

Commodity Importance
Silver Primary
Lead Primary
Zinc Critical Tertiary

Materials information

Materials Type of material
Anglesite Ore
Galena Ore
Hemimorphite Ore
Sphalerite Ore

Analytical data

Result RESERVES AVERAGE 486 G/MT AG, 13.5% PB

Mineral occurrence model information

Model code 72
USGS model code 19a
Deposit model name Polymetallic replacement
Mark3 model number 47

Nearby scientific data

(1) -105.88385, 26.93364
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Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Year of first production 1974

Ownership information

  • Type Operator
    Owner Industrias Penoles, Lacana
  • Type Owner
    Owner Industrias Penoles 60%, Lacana 40%

Comments on the production information

  • 1089 MTPD MILL TO START UP JUNE 1977

Reserves and resources

  • Type In-situ
    Estimate year 1976
    Total resources 640000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 881 g/mt Silver Major 1976
    Lead Pb 24 wt-pct Lead Major 1976
  • Type In-situ
    Estimate year 1976
    Total resources 660000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 103 g/mt Silver Major 1976
    Lead Pb 5 wt-pct Lead Major 1976
  • Type In-situ
    Estimate year 1976
    Total resources 220000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 473 g/mt Silver Major 1976
    Lead Pb 7.9 wt-pct Lead Major 1976
  • Type In-situ
    Estimate year 1976
    Total resources 64000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 881 g/mt Silver Major 1976
    Lead Pb 24 wt-pct Lead Major 1976
  • Type In-situ
    Estimate year 1976
    Total resources 66000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 103 g/mt Silver Major 1976
    Lead Pb 5 wt-pct Lead Major 1976
  • Type In-situ
    Estimate year 1976
    Total resources 22000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 473 g/mt Silver Major 1976
    Lead Pb 7.9 wt-pct Lead Major 1976

Comments on the reserve resource information

  • THE NORTHERN MINER 9-2-76 P 23 GIVES RESERVES AS 4 MILLION TONS

Comments on the workings information

  • AS OF 2 - 76, VERTICAL EXTENT OF WORKINGS WAS 150 M.

Comments on development

  • OPERATIONS WERE SUSPENDED IN 1986. ; EXPAN$: 14.5 ; MILL.CAP: 397 MET TONS ; ECON.YEAR: 1977 ; ECON.COM: 1089 MTPD MILL BY JUNE 1977

Reference information

Bibliographic references

  • Deposit

    STAFF, 1976, MINING MAGAZINE 2-76 P. 121

  • Deposit

    STAFF, 1976, NORTHERN MINER 9-2-76 P. 23

  • Production

    NORTHERN MINER 9-2-76 P. 23

  • Reserve-Resource

    MINING MAG. 2-76 P. 131

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1976 Schruben, Paul G. U.S. Geological Survey

Beyond USGS

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

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