La Perla

Producer in Chihuahua, Mexico with commodities Iron, Phosphorus-Phosphates, Sulfur, Silica, Ferrosilicon, Calcium
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Reserves and resources
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10049435
MRDS ID MX02091
Record type Site
Current site name La Perla
Alternate or previous names Cerro De Fierro, La Vibora
Related records 10157996, 10182189, 10182811

Geographic coordinates

Geographic coordinates: -104.56049, 28.28359 (WGS84)
Elevation 1700
Location accuracy 1000(meters)
Relative position IN CERRO DE LA PERLA, 1.2 KM S OF RANCHO DE TACUBAYA, 20 KM E OF LOS ORGANOS MN DISTRICT/MINE AND 35 KM W OF SIERRA ENCINILLAS WITH THE GALEMES, GUADALUPE, AND LA NEGRA FE MINES. 10 KM S OF EL MUNDIDO, 35 KM W OF LA NEGRA MINE., 30 Sec.

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

Comments on the location information

  • 90 KM NE ON HIGHWAY FROM CAMARGO AND 145 KM S ON HIGHWAY FROM OJINAGA.

Commodities

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

Comments on the commodity information

  • FE-ORE PRIMARY PRODUCER.

Materials information

Materials Type of material
Hematite Ore
Magnetite Ore
Specularite Ore
Apatite Gangue
Calcite Gangue
Gypsum Gangue
Quartz Gangue
Selenite Gangue
Pyrite Unknown

Alteration

  • (Local) Local Silicification.

Analytical data

Result AVERAGE GRADE: 59.790% FE, 0.104% P, 0.475% S, 6.100% SILICA, 3.130% CAO (MINAS DEL NORTE, S.A.) RANGE: 56-70% FE, 0.07-0.18% P, 0.06-0.30% S, (DUTTON, 1955).

Mineral occurrence model information

Model code 158
USGS model code 25i
Deposit model name Volcanic-hosted magnetite

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Trachyte

Nearby scientific data

(1) -104.56049, 28.28359

Economic information

Ore body information

  • General form FLATTENED CONE WITH ELLIPTICAL BASE
    Thickness 78M
    Length 1200M
    Width 700M

Comments on the geologic information

  • VOLCANIC ROCKS OVERLYING EARLY CRET. CLASTIC AND CARBONATE SEQUENCE.

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Deposit size Medium
Significant No
Year of last production 1988

Mining district

District name La Perla District/Laperla-Camargo Area

Ownership information

  • Type Operator
    Owner La Perla Minas De Fierro S. A.
    First year 1980
  • Type Owner
    Owner La Perla Minas De Fierro S. A.
    First year 1980

Reserves and resources

  • Type In-situ
    Estimate year 1964
    Measured 557500000mt ore
    Inferred 4500000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Calcium CaO 1.75 wt-pct Calcium Trace 1964
    Sulfur S 0.24 wt-pct Sulfur Trace 1964
    Phosphorus-Phosphates P 0.19 wt-pct Phosphorus Trace 1964
    Iron Fe 58.34 wt-pct Iron Major 1964
    Silica, Ferrosilicon SiO2 9.81 wt-pct Silica Minor 1964
  • Type In-situ
    Estimate year 1961
    Total resources 24828000mt ore
    Commodity Subtype Grade units Group Importance Year
    Sulfur S 0.55 wt-pct Sulfur Trace 1961
    Phosphorus-Phosphates P 0.11 wt-pct Phosphorus Trace 1961
    Iron Fe 59.9 wt-pct Iron Major 1961

Comments on the reserve resource information

  • ITEM 1: PROVEN RESERVES. ITEM 2: PROBABLE RESERVES. ITEM 3: POSSIBLE RESERVES.
  • TOTAL RESERVES.

Comments on the workings information

  • INCLINED SHAFT. MOSTLY OPEN WORKINGS FROM SURFACE.

Comments on development

  • EXPLORED BY DD-HOLES AND UNDERGROUND WORKINGS. ; ECON.COM: (1980) IN CAMAGO 2 PLANTS, 1 WITH 2,000 TON/DAY CAPICITY USING FLOTATION AND PELLET PLANT CONCENTRATION METHODOLOGY AND SECOND WITH 3,000 TON/DAY CAPACITY HEAVY MEDIA AND JIGS TO CONCENTRATE FE.

Reference information

Bibliographic references

  • Deposit

    GUILD, P.W., 1981, PRELIMINARY METALLOGENIC MAP OF NORTH AMERICA: U.S. GEOLOGICAL SURVEY CIRCULAR 858-A AND -B.

  • Deposit

    SALAS, G.P., 1975, CARTA Y PROVINCIAS METALOGENETICAS DE LA REPUBLICA MEXICANA: CONSEJO DE RECURSOS MINERALES PUBLICACION 21 E, P. 189.

  • Deposit

    GOMEZ R., D., 1961, INVENTARIO DE LOS YACIMIENTOS FERRIFEROS DE MEXICO: CONSEJO DE RECURSOS NATURALES NO RENOVABLES PUBLICACION 3 E, (CHIHUAHUA LOC. 1).

  • Deposit

    DUTTON, C.E., 1955, IRON ORE DEPOSITS OF NORTH AMERICA AND THE WEST INDIES IN SURVEY OF WORLD IRON ORE RESOURCES; OCCURRENCE, APPRAISAL AND USE: NEW YORK, UNITED NATIONS, P. 179-208. IN THE SOUTHERN CORDILLERA: ARIZONA GEOLOGICAL SOCIETY DIGEST, V. 14, P. 237-262.

  • Deposit

    GONZALEZ REYNA, J., 1956, MEMORIA GEOLOGICO-MINERA DEL ESTADO DE CHIHUAHUA: CONGRESO GEOLOGICO INTERNACIONAL, 20TH, DURANGO, MEXICO, 1956, P. 216-218.

  • Deposit

    CARDENAS VARGAS, J., Y DEL CASTILLO GARCIA, L., 1964, YACIMIENTOS DE HIERRO DE LA PERLA Y LA NEGRA, MUNICIPIO DE CAMARGO, CHIHUAHUA: CONSEJO DE RECURSOS NATURALES NO RENOVABLES, BOLETIN 69, 78 P.

  • Deposit

    COX, D.P., AND SINGER, D.A., 1986, MINERAL DEPOSIT MODELS: USGS BULLETIN 1693, 379 P.

  • Deposit

    SOCIEDAD GEOLOGICA MEXICANA A.C., 1985, PLANO GEOLOGICO MINERO DE CHIHUAHUA, MEXICO: CONSEJO DE RECURSOS MINERALES AND FEDERAL GOVERNMENT OF MEXICO, MEXICO D.F., 1 SHEET, SCALE 1:500,000.

  • Deposit

    ENGINEERING AND MINING JOURNAL, 1980, NOVEMBER, P. 75-83.

  • Deposit

    GOMEZ RUIZ, DAVID, 1961, INVENTARIO DE LOS YACIMENTOS FERRIFEROS DE MEXICO: CONSEJO DE RECURSOS MINERALES NO RENOVABLES PUB 3-E.

  • Deposit

    ENGINEERING AND MINING JOURNAL, NOV., 1974, P. 98.

  • Deposit

    MINING MAGAZINE, JANUARY 1989, P. 46.

  • Other Database

    CIMRI

  • Reserve-Resource

    CARDENAS Y CASTILLO, 1964. THE FIRST 3 FIGURES ARE COMPANY DATA. THE FORTH FIGURE IS ORE TO PROBABLE (INFERED) BY MINAS DE NORTE, BUT LATER CONFIRMED AS MEASURED BY CONSEJO. THE FIFTH FIGURE IS A MEASURED ORE FIGURE AND THE SIXTH FIGURE IS INDICATED ORE FROM CRNNR.

General comments

Subject category Comment text
Deposit MANY FE MINES WITHIN 50 KM RADIUS OF LA PERLA. LA PERLA IS ON THE ROAD FROM OJINAGA TO CAMARGO, 80 KM N OF CAMARGO AND 150 KM S OF OJINAGA. ; INFO.SRC : 1 PUB
Deposit THIS RECORD CONTAINS DATA FROM DUPLICATE RECORDS W700692 AND W700076 WHICH HAVE BEEN DELETED FROM MAIN MRDS.
Deposit "MAGNITNAYA"-TYPE IRON DEPOSIT IN THE SHAPE OF A FLATTENED CONE WITH AN ELLIPTICAL BASE. MAXIMUM THICKNESS: 78 M. SMALL LENSES AND MASSES OF HEMATITE AND MAGNETITE, 0.5-2.0 M THICK, IN TRACHYTIC ROCKS. LOCALLY, FE MINERALS AND GYPSUM FOUND CEMENTING TRACHYTE BRECCIAS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-88 Leonard, Kenneth R. (Page, Norman J.) U.S. Geological Survey
Updater 01-JUN-88 Leonard, Kenneth R. U.S. Geological Survey
Updater 01-AUG-91 Kibbe, R.D. U.S. Geological Survey
Updater 27-FEB-95 Orris, Greta J. U.S. Geological Survey

Beyond USGS

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