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Las Truchas Group

Producer in Michoacan De Ocampo, Mexico with commodities Iron, Phosphorus-Phosphates, Sulfur, Silica, Ferrosilicon, Copper
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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. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Reserves and resources
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10084828
MRDS ID W700041
Record type Site
Current site name Las Truchas Group

Geographic coordinates

Geographic coordinates: -102.3504, 18.00069 (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 Michoacan De Ocampo

Commodities

Commodity Importance
Iron Primary
Phosphorus-Phosphates Tertiary
Sulfur Secondary
Silica, Ferrosilicon Secondary
Copper Secondary

Materials information

Materials Type of material
Goethite Ore
Hematite Ore
Magnetite Ore
Epidote Gangue
Garnet Gangue

Mineral occurrence model information

Model code 62
USGS model code 18d
Deposit model name Skarn Fe

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -102.3504, 18.00069
ListMap

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Significant No

Reserves and resources

  • Type In-situ
    Estimate year 1948
    Total resources 13605000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 64 wt-pct Iron Major 1948
  • Type In-situ
    Estimate year 1974
    Total resources 15873000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 60 wt-pct Iron Major 1974
  • Type In-situ
    Estimate year 1961
    Total resources 73887000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 59.7 wt-pct Iron Major 1961
    Phosphorus-Phosphates P 0.041 wt-pct Phosphorus Trace 1961
    Sulfur S 1.14 wt-pct Sulfur Minor 1961
    Silica, Ferrosilicon Si 7.46 wt-pct Silica Minor 1961
    Copper CuOx 1.05 wt-pct Copper Minor 1961

Reference information

Bibliographic references

  • Deposit

    GOMEZ RUIZ, DAVID, 1961, CRNNR PUB 3E.

  • Deposit

    ENGINEERING AND MINING JOURNAL, 1974, NOVEMBER, P. 98-99.

  • Deposit

    U.S. GEOLOGICAL SURVEY BULLETIN 1693, P. 95.

  • Deposit

    TORON VILLEGAS, LUIS, AND ESTEVE TORRES, ADRIAN, 1948, THE PROGRAM FOR THE SYSTEMATIC STUDY OF RAW MATERIAL RESERVES IN THE MEXICAN IRON AND STEEL INDUSTRY BEING CARRIED OUT BY THE BANK OF MEXICO'S OFFICE OF INDUSTRIAL RESEARCH: OFICINA DE INVESTIGACIONES INDUSTRIALES DE BANCO DE MEXICO, 23 P.

  • Reserve-Resource

    THE 1948 FIGURE IS FROM TORON VILLEGAS AND ESTEVE TORRES, 1948; THE 1974 ESTIMATE WAS PUBLISHED IN EMJ, 1974; AND THE 1961 ESTIMATE IS FROM GOMEZ RUIZ, 1961.

General comments

Subject category Comment text
Deposit ORE IS 76% HEMATITE, 15% MAGNETITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1988 Leonard, Kenneth R. U.S. Geological Survey

Beyond USGS

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

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