El Algarrobo

Producer in Chile with commodities Iron, Phosphorus-Phosphates
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. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10111251
MRDS ID W026276
Record type Site
Current site name El Algarrobo
Related records 10255455

Geographic coordinates

Geographic coordinates: -70.99621, -28.80247 (WGS84)
Elevation 1100
Relative position 45 KM SE OF VALLENAR.

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Comments on the location information

  • PART OF ALGARROBO DEPOSIT (SEE EL PENOSA); DIAZ ET AL. (1980) LOCATION AT 28-47-29S AND 070-59-20W.

Commodities

Commodity Importance
Iron Primary
Phosphorus-Phosphates Secondary

Materials information

Materials Type of material
Hematite Ore
Magnetite Ore
Martite Ore
Biotite Gangue
Pyrite Gangue
Apatite Unknown

Alteration

  • (Local) Propylitic

Analytical data

Result CHEMISTRY OF RESERVES IN PERCENT: FE- 61%
Result SIO2- 5.5%
Result S- 0.02%
Result P- 0.18%. 52% FE, 0.48% P, 0.46% S

Mineral occurrence model information

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

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Hornfels
    Stratigraphic age (youngest) Early Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Skarn (Tactite)
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -70.99621, -28.80247

Economic information

Ore body information

  • General form MANTLES AND IRREGULAR BODIES
    Strike 0; WNW
    Dip 25-45W; SSW
    Length 2000M
    Width 150M
  • General form MANTLES AND IRREGULAR BODIES
    Strike 0; WNW
    Dip 25-45W; SSW

Comments on the geologic information

  • AT CONTACT OF GRANODIORITE AND ANDESITE OF LOWER CRETACEOUS BANDURRIAS FORMATION

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Deposit size Medium
Significant No

Mining district

District name Algarrobo

Ownership information

  • Type Owner
    Owner Compania De Acero Del Pacifico

Reserves and resources

  • Type In-situ
    Estimate year 1970
    Measured 7000000mt ore
    Inferred 3000000mt ore
    Total resources 100000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 61 wt-pct Iron Major 1970

Workings at the site

  • Type of workings Surface
    Overall depth 550M

Reference information

Bibliographic references

  • Deposit

    RUIZ FULLER, CARLOS, 1965 , GEOLOGIA Y YACIMIENTOS METALIFEROS DE CHILE (GEOLOGY AND METAL DEPOSITS OF CHILE): CHILE INST. GEOL. INV., 305 P., TABLES. (SPANISH) ( 430 ) R858G

  • Deposit

    ALVARADO, BENJAMIN, 1970 , IRON ORE DEPOSITS OF SOUTH AMERICA, IN SURVEY OF WORLD IRON ORE RESOURCES -- OCCURRENCE AND APPRAISAL: NEW YORK, UNITED NATIONS, P. 302 - 380 . 433 QUN22S

  • Deposit

    RUIZ, C. AND PEEBLES, F., 1988, YACIMIENTOS METALIFEROS DE CHILE: SANTIAGO, 334 P.

  • Deposit

    GEIJER, P., 1931, THE IRON ORES OF THE KIRUNA TYPE: SVERIGES UNDERSOKNING: SER. C, # 367.

  • Deposit

    DIAZ, ET AL., 1980, MAPA METALOGENICO PRONOSTICO DE LA III REGION: CORPORACION DE FOMENTO DE LA PRODUCCION, SANTIAGO (5 VOLS.)

  • Deposit

    ABBOTT, J., Y ROJAS, N., 1972, ANTECEDENTES Y RESENA MINERAL DE HIERRO EL ALGARROBO: INST. DE ING. DE MINAS DE CHILE, 119.

  • Other Database

    CIMRI

  • Production

    ALVARADO, 1970

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1973 Cooper, Margaret (Shaffer, Glenn L.) U.S. Geological Survey
Updater 01-SEP-1990 Williams, William C. University of Arizona

Beyond USGS

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