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  3. Mineral Resource Data System (MRDS)

Coachapa Salinas

Producer in Mexico with commodity Sulfur
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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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Production statistics
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10280110
MAS/MILS ID 2010570020
Record type Site
Current site name Coachapa Salinas
Alternate or previous names Salinas

Geographic coordinates

Point of reference Plant
Geographic coordinates: -94.6002, 17.8674 (WGS84)
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country
Mexico

Commodities

Commodity Importance
Sulfur Primary

Materials information

Materials Type of material
Anhydrite Unknown
Halite Unknown
Sulfur Unknown
Anhydrite Unknown

Nearby scientific data

Plant (1) -94.6002, 17.8674
ListMap

Economic information

Ore body information

  • Thickness 4M
    Depth to top 300M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 DOMELIKE
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 LENTICULAR
    Type of Orebody #3 OTHER
    Shape of Orebody #3 OTHER
    Primary mode of Origin SEDIMENTATION
    Secondary mode of Origin OTHER
    Primary Ore Control LITHOLOGY
    Secondary Ore Control OTHER
    Degree of Wallrock Alter. NONE
    Minimum Depth to Top 150
    Date of Last Modification 910311
  • Area 3000HA
    Field Value
    Total Surface Area (HA) 3000
    Date of Last Modification 910418

Comments on the geologic information

  • DEPOSIT IS NOT STRICKLY A SEDIMENTARY DEPOSIT. SULFUR IS FORMED THROUGH THE DECOMPOSITION OF ANHYDRITE BY SULFATE- REDUCING ANAEROBIC BACTERIA. DEPTH TO THE MINERALIZED ZONE RANGES FROM 150 METERS TO 600 METERS.
  • ACTUAL "ROCK NAMES" WERE NOT INCLUDED IN THE "LIST OF VALUES" FOR THIS FIELD. STARTING WITH RECORD 04 THESE ACTUAL "ROCK NANES" ARE; HALITE (SALT), ANHYDRITE, "ORE", WHICH IS DECOMPOSED/DECOMPOSING ANHYDRITE, WITH ELEMENTAL SULFUR BEING DEOPSITED WITHIN CAVITIES IN THE DECOMPOSED ANHYDRITE. THE FINAL ROCK, CALLED A "CAP ROCK" IS IN THIS CASE ANHYDRITE ALSO. SEE MINERALS DATA TABLE FOR MORE INFORMATION.

Economic information about the deposit and operations

Operation type Well
Development status Producer
Commodity type Non-metallic
Significant No
Discovery year 1940
Mining method Auger Mining - Frasch Process
Year of first production 1956

Mining district

District name Saline Basin

Mineral rights holdings

Type of mineral rights Minerals Only

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Cia Azufrera Panamericana Sa (Apsa)
    Home office Mexico
    Year 1983
  • Type Owner
    Owner Mexican Comision De Fomento Minero (Mcfm)
    Home office Mexico
    Year 1983

Comments on the ownership information

  • % OF OWNERSHIP UNKNOWN.

Production statistics

  • Year 1982
    Accuracy Estimate
    Description Pub. Elem. Sulfur Prod. Estimate 100000 Mt/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Sulfur Sulfur 100000mt
  • Year 1983
    Description Ditto; 100000 Mt/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Sulfur Sulfur 100000mt
  • Year 1984
    Description Ditto; 400000 Mt/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Sulfur Sulfur 400000mt
  • Year 1985
    Description Ditto; 400000 Mt/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Sulfur Sulfur 400000mt

Reserves and resources

  • Type In-situ
    Estimate year 1985
    Indicated 22000000mt commodity
    Demonstrated 22000000mt commodity
    Total resources 22000000mt commodity
    Commodity Subtype Grade units Group Importance Year
    Sulfur S 99.84 wt-pct Sulfur Major 1985

Comments on the reserve resource information

  • JANUARY 1982 INSITU RESOURCES, AT THE DEMONSTRATED-75% LEVEL AND AT THE INFERRED-50% LEVEL. DATA WAS PROVIDED FROM INFORMATION COLLECTED BY THE CONTRACTOR. FRASCH SULFUR RECOVERY IS APPROXIMATELY 75% WITH NO DILUTION. THIS DATA WAS USED ON THE UPDATED 1986 ETD. CURRENT INFORMATION ESTIMATES (1990) HAVE ELEVATED THE INSITU INFERRED-50% LEVEL RESOURCES TO THE RECOVERABLE DEMONSTRATED-75% LEVEL, HOWEVER NO EVALUATION HAS BEEN DONE ON THE RESOURCES AT THIS LEVEL.
  • THIS RESOURCE ESTIMATE WAS NOT USED IN THE 1986 UPDATE ETD. 1985 DATA WAS NOT RECEIVED UNTIL AFTER THE UPDATE WAS COMPLETED. NO PUBLISHED RESERVE-RESOURCES ESTIMATES EXIST FOR THIS OPERATION PRIOR TO 1985.

Workings at the site

  • Type of workings Underground
    Length 20M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method FRASCH PROCESS 10-89
    Percent Waste Rock 0
    Percent Recovery 75
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    1st Condition of Workings OPEN
    2nd Condition of Workings OPEN
    3rd Condition of Workings OPEN
    Capacity 750
    Capacity Units MT COMMOD/DAY
    Unit Production Cost 69.6
    Units of Production $/MT COMMOD
    Operating Days per Year 365
    Operating Shifts per Day 3
    Year of Information 1983

Reference information

Bibliographic references

  • Reserve-Resource

    BRITISH SULPHUR, WORLD SURVEY OF SULPHUR RESOURCES, SECOND

  • Reserve-Resource

    EDITION, 1974 PAGE ?, AND THIRD EDITION, 1985, PAGE 41.

  • Deposit

    SULPHUR, # 151, "COACHAPA - MEXICO'S NEW FRASCH MINE",

  • Deposit

    NOVEMBER-DECEMBER, 1980, PAGES 27, 28.

  • Deposit

    ENGINEERING AND MINING JOURNAL, "FRASCH PROCESS SULPHUR",

  • Deposit

    NOVEMBER, 1980.

  • Deposit

    SME MINING ENGINEERING HANDBOOK, "MINING THROUGH BOREHOLES -

  • Deposit

    - FRASCH SULFUR MINING SYSTEM", VOL 2, 1973, PAGES 21-61,

  • Deposit

    21-62.

  • Deposit

    INDUSTRIAL MINIEALS AND ROCKS, "SULFUR", FOURTH EDITION,

  • Deposit

    1975, PAGES 1103-1125.

  • Deposit

    R&D MEXICO, "MEXICO UPS PRODUCTION OF SULFUR", APRIL 30,

  • Deposit

    1982, PAGES 30-32.

General comments

Subject category Comment text
Deposit OPERATION WAS REPORTED AS SHUT DOWN FOR TECHNICAL PROBLEMS AND RESOURCES DEPLETION. IN AUGUST 1992. THIS DATA BASE DESCRIBES A MEXICAN FRASCH SULFUR OPERATION.

Reporter information

Type Date Name Affiliation Comment
Reporter 06-JAN-95 Buckingham, David A. 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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