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Molango-Tetzintla

Plant in Queretaro De Arteaga, Mexico with commodities Aluminum, Iron, Manganese, Phosphorus-Phosphates, Silica
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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. Mineral rights holdings
  11. Land status
  12. Ownership information
  13. Reserves and resources
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10279491
MAS/MILS ID 2010210004
Record type Site
Current site name Molango-Tetzintla
Alternate or previous names Tetzintla

Geographic coordinates

Geographic coordinates: -98.73361, 20.80057 (WGS84)
Elevation 1400

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico Queretaro De Arteaga

Commodities

Commodity Importance
Aluminum Critical Tertiary
Iron Tertiary
Manganese Critical Primary
Phosphorus-Phosphates Tertiary
Silica Tertiary

Materials information

Materials Type of material
Calcite Unknown
Rhodochrosite Unknown

Nearby scientific data

(1) -98.73361, 20.80057
ListMap

Economic information

Ore body information

  • Strike N90W
    Dip 70W
    Thickness 5M
    Length 1200M
    Width 700M
    Depth to top 80M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Primary mode of Origin SEDIMENTATION
    Primary Ore Control BEDDING
    Strike And Dip N90W:70W
    Date of Last Modification 910613

Comments on the geologic information

  • PERSONNEL: 225 SALLARY AND 525 UNION.
  • GEOLOGY IS COMPLEX WITH MUCH FOLDING AND FAULTING.

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Plant
Commodity type Both
Significant Yes
Discovery year 1960
Year of first production 1964
Plant type Sinter Plant
Plant subcategory Smelter-Pyrometallurgy
Milling method Sinter Plants

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Unknown

Ownership information

  • Type Owner-Operator
    Owner Compania Minera Autlan
    Interest 100
    Home office Mexico
    Year 1989

Reserves and resources

  • Type In-situ
    Estimate year 1989
    Indicated 30000000mt ore
    Demonstrated 30000000mt ore
    Total resources 30000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Manganese Mn 27 wt-pct Manganese Major 1989
    Phosphorus-Phosphates P 0.05 wt-pct Phosphorus Trace 1989
    Iron Fe 6 wt-pct Iron Trace 1989
    Silica SiO2 13 wt-pct Silica Trace 1989
    Aluminum Al2O3 3 wt-pct Aluminum Trace 1989

Comments on the reserve resource information

  • NMAB, 1982 (UPDATED TO 1989).

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method SUBLEVEL 10-43
    Avg. Length of Adits (m) 900
    Number of Adits 1
    Capacity 1200
    Capacity Units MT ORE/DAY
    Operating Days per Year 312
    Year of Information 1989
  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ESTIMATE
    Mining Method INCLINED CUT AND FILL 10-65
    Avg. Length of Adits (m) 700
    Number of Adits 1
    Capacity 1000
    Capacity Units MT ORE/DAY
    Operating Days per Year 312
    Year of Information 1989

Comments on other economic factors

  • TRANSPORTATION: NODULES ARE TRUCK-HAULED TO TAMOS SMELTER (200KM) AND TAMPICO PORT(230KM); FIRST 60KM IS STEEP AND WINDING.
  • PROCESSING: NODULIZING IN A GAS-FIRED KILN TO DRIVE OFF CO2 AND RAISE GRADE FROM 27% TO 39% MN. PREPARATION IS SIZING (80%) AND HEAVY MEDIA (DILUTED HANGING-WALL, 20%). OTHER: KILN DUST (10% OF FEED) IS RECLAIMED IN PART, BALLED WITH H2SO4, AND SOLD TO SULFAMEX TO PRODUCE MNSO4. COMPANY ALSO PRODUCES 40,000T/Y BATTERY GRADE FROM ITS NEARBY NONALCO MINE. OTHER COMPANY SMELTERS ARE AT TETTZUITLAN AND PORTO ORDAZ, VENEZUELA (PART OWNER). GAS IS SUPPLIED BY A 180KM PIPLINE.

Reference information

Bibliographic references

  • Deposit

    ROYCE, J. THE MOLANGO AREA (MEXICO). DEPOSITS OF COMPANIA

  • Deposit

    MINERA AUTLIN. TRIP REPORT, JUNE 1983, 9 PP.

  • Deposit

    HERKENHOFF, E. C. MANGANESE DEPOSITS OF COMPANIA MINERA

  • Deposit

    AUTLAN, HIDALGO, MEXICO. TRIP REPORT, JUNE 1983, 18 PP.

  • Deposit

    MACHAMER, J. TRIP REPORT. COMPANIA MINERA AUTLAN'S OPERA-

  • Deposit

    -TIONS, MEXICO. JUNE 1989, 14 PP.

  • Deposit

    NATIONAL MATERIALS ADVISORY BOARD, NATIONAL RESEARCH COUNCIL

  • Deposit

    -NATIONAL ACADEMY OF SCIENCES. MANGANESE RESERVES AND

  • Deposit

    RESOURCES OF THE WORLD AND THEIR INDUSTRIAL IMPLICA-

  • Deposit

    -TIONS. NMAB-374, WASHINGTON, DC, 1981, PP. 40-41,91-95

  • Deposit

    NTIS PB 82117615.

  • Deposit

    CAVILLO, M. T. AUTLIN. HIGH RESOURCES WILL FEED STEEL INDUS-

  • Deposit

    -TRY'S MANGANESE DEMAND. ENG. AND MIN. JOUR. V. 181,

  • Deposit

    NO. 11, NOV. 1980, PP. 107-108.

General comments

Subject category Comment text
Deposit RESOURCES:IN A BROAD AREA HAVE BEEN ESTIMATED TO OVER 100MT TO 10% MN. THREE SUBDISTRICTS: NORTH; HIGHEST GRADE, PRODUCES THE ORE. CENTRAL(NAOPA), SIMILAR BUT SMALL; SOUTH, LOW GRADE.

Reporter information

Type Date Name Affiliation Comment
Reporter 25-SEP-1996 Coffman, Joe 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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