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Parral

Past Producer in Chihuahua, Mexico with commodities Fluorine-Fluorite, 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. Commodities
  6. Nearby scientific data
  7. Ore body information
  8. Economic information about the deposit and operations
  9. Mining district
  10. Ownership information
  11. Production statistics
  12. Reserves and resources
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10232526
MAS/MILS ID 2010110015
Record type Site
Current site name Parral
Alternate or previous names Parral Unit, La Prieta, Veta Colorado, Palmilla, Hidalgo Del Parral

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.66631, 26.93471 (WGS84)
Elevation 2000
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico Chihuahua

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary
Gold Secondary
Lead Secondary
Silver Primary
Zinc Critical Secondary

Nearby scientific data

Main Entrance (1) -105.66631, 26.93471
ListMap

Economic information

Ore body information

  • Field Value
    Type of Orebody #1 FISSURE VEIN
    Primary mode of Origin UNKNOWN
    Date of Last Modification 790403

Comments on the geologic information

  • PARRAL FORMATION IS UPPER EOCENE TO UPPER OLIGOCENE IN AGE. THE ESCOBEDO VOLCANICS ASSOCIATED WITH THE PARRAL FORMATION

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Both
Significant No
Discovery year 1631
Year of first production 1924

Mining district

District name South Franco Del Oro

Ownership information

  • Type Owner
    Owner Industrial Minera Mexico, S. A. (Immsa)
    Interest 100
    Home office Mexico
    Year 1993
  • Type Operator
    Owner Zinc De Mexico S. A.
    Interest 100
    Home office Mexico
    Year 1993

Comments on the ownership information

  • SEE BIBLI. "MI" LINES 4-7

Production statistics

  • Year 1985
    Description The Cumulative Production Has Been 10 Million Tons With 1.5 G/Ton Au, 180 G/Ton Ag, 3.5% Pb, 0.12% Cu, 4.5% Zn And 18% Fluorspar. Annual Production Capacity Is 225,000 Mt From The 3 Mines.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Zinc Zinc 5wt-pct
    Trace Gold Gold 2g/mt
    Copper Copper 0wt-pct
    Major Fluorine-Fluorite Fluorine 18wt-pct
    Major Silver Silver 180g/mt
    Trace Lead Lead 4wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1978
    Measured 5000000mt ore
    Demonstrated 5000000mt ore
    Total resources 5000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 200 g/mt Silver Major 1978
    Gold Au 0.02 g/mt Gold Minor 1978
    Lead Pb 0.6 wt-pct Lead Minor 1978
    Copper Cu 0.5 wt-pct Copper 1978
    Zinc Zn 0.8 wt-pct Zinc Minor 1978
  • Type In-situ
    Estimate year 1973
    Measured 454000mt ore
    Demonstrated 454000mt ore
    Total resources 454000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 76 g/mt Silver Major 1973
    Lead Pb 2.5 wt-pct Lead Minor 1973
    Copper Cu 0.5 wt-pct Copper 1973
    Zinc Zn 4.4 wt-pct Zinc Minor 1973
  • Type In-situ
    Estimate year 1988
    Demonstrated 1310000mt ore
    Total resources 1310000mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 199.995 g/mt Silver Major 1988
    Lead Pb 0.6 wt-pct Lead Minor 1988
    Zinc Zn 0.6 wt-pct Zinc Minor 1988

Comments on the reserve resource information

  • ASARCO-MEX.-34% OTHER NAMES:LA PRIETA,VETA COLO.,PALMILLA.

Workings at the site

  • Type of workings Underground
    Length 40000M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Number of Shafts 4
    Length of Inclines (m) 500
    Slope of Inclines 60
    Number of Inclines 1
    Avg. Length of Adits (m) 400
    Number of Adits 3
    1st Condition of Workings PART ACCESSIBLE
    Capacity 1200
    Capacity Units MT ORE/DAY
    Unit Production Cost 3.08
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 3
    Year of Information 1978
  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ACTUAL
    Mining Method SHRINKAGE W/CUT AND FILL
    Number of Shafts 2
    Capacity 800
    Capacity Units MT ORE/DAY
    Unit Production Cost 2.56
    Units of Production $/MT ORE
    Operating Days per Year 236
    Year of Information 1976

Comments on other economic factors

  • THE UNDERGROUND MINE DOES NOT NEED SUPPORT.

Reference information

Bibliographic references

  • Deposit

    CONSESO DE RECURSOS. BULL 13. ING. SALAS, 1973

  • Deposit

    EMJ 1975, INTERNATIONAL DIRECTORY OF MINING,P.216.

  • Deposit

    PRIVATE REPORT

  • Deposit

    MEXICO, OPPORTUNITIES IN INDUSTRIAL MINERALS, 29TH FORUM ON

  • Deposit

    THE GEOLOGY OF INDUSTRIAL MINERALS, LONG BEACH, CA, APRIL,

  • Deposit

    25-30, 1993; BY A. ALATORRE, P. HARBEN, H. MCVEY, AND

  • Deposit

    K. SANTINI.

  • Reserve-Resource

    AME MINERAL ECONOMICS QUARTERLY MINE ANALYSIS, JUNE 1993,

  • Reserve-Resource

    P. 31.

General comments

Subject category Comment text
Deposit DISCOVERY OF DEPOSIT WAS THROUGH PROSPECTING. WORKING SEASON IS ALL YEAR. OPERATION REPORTED CLOSED IN 1993 ARTICLE, SEE BIBLI. "MI"4-7.

Reporter information

Type Date Name Affiliation Comment
Reporter 03-JAN-95 Aguirre, C. U.S. Bureau of Mines

Beyond USGS

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

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