1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Pedro De Valdivia Mine

Producer in Chile with commodities Nitrogen-Nitrates, Iodine, Sodium, Chromium, Boron-Borates
Map
XML
JSON
KML
B
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Controls for ore emplacement
  10. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10085131
MRDS ID W700671
Record type Site
Current site name Pedro De Valdivia Mine
Alternate or previous names Oficina Pedro De Valdivia

Geographic coordinates

Geographic coordinates: -69.68286, -22.59754 (WGS84)
Relative position IN ATACAMA DESERTABOUT 80 KM INLAND AND SOUTHWEST OF TOCOPILLA.

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Comments on the location information

  • THE DEPOSIT IS LOCATED INLAND AND SOUTHWEST OF TOCOPILLA IN PAMPA DEL TAMARUGAL, WEST OF THE SOUTHERN PORTION OF SALAR DE MIRAJE.

Commodities

Commodity Importance
Nitrogen-Nitrates Primary
Iodine Primary
Sodium Tertiary
Chromium Critical Tertiary
Boron-Borates Tertiary

Materials information

Materials Type of material
Halite Gangue

Analytical data

Result GRADE OF ORE: 6.35% NO3, 3.87% CL, 6.60% SO4, 0.61% IO3, 0.35% CLO4, 0.10% B, 6.2% NA, 0.56% K, 0.15% CU, 1.74% H2O (REPORTED AS ANIONS AND CATIONS).

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) -69.68286, -22.59754
ListMap

Economic information

Controls for ore emplacement

  • Climate- Very Arid

Comments on the geologic information

  • DEPOSITS FORM DUE TO VERY ARID CLIMATE. AVERAGE ANNUAL RAINFALL IS LESS THAN 0.04 INCH AND IT MAY BE AS MUCH AS TWENTY YEARS BETWEEN RAIN SHOWERS. THIS CLIMATE HAS EXISTED IN THIS AREA SINCE THE MID MIOCENE.

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Significant No

Mining district

District name Tocopilla District

Ownership information

  • Type Operator
    Owner Sociedad Quimica Y Minera De Chile Sa (Soquimich)

Production statistics

  • Year 1936
    Period 1935-1936
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^6.35% No3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Niobium (Columbium) Niobium (Columbium) 6wt-pct

Comments on the production information

  • ORE AVERAGES: 7-10% NANO3; 4-10% NACL; 10-30% NASO; 2-7% MAG, CA K, BR, AND I; 1-2% H2O; 41-76% GANGUE. ALSO SEE ANALYTICAL DATA FOR GRADE OF MINOR CONTITUENTS OF 1935-36 ORE. PRODUCTION IS FOR JULY 1, 1935 TO JUNE 30, 1936.

Comments on development

  • ORE PRODUCTION CAPACITY GREATER THAN 3,000,000 TONNES/YEAR.

Reference information

Bibliographic references

  • Deposit

    MINING MAGAZINE, JANUARY 1989, P. 46.

  • Deposit

    HARBEN, P.W., AND BATES, R.L., 1990, INDUSTRIAL MINERALS GEOLOGY AND WORLD DEPOSITS: LONDON, INDUSTRIAL MINERALS DIVISION METAL BULLETIN PLC, 312 P.

  • Deposit

    FERRARIS B., FERNANDO, 1978, HOJA TOCOPILLA, REGION DE ANTOFAGASTA: CHILE INSTITUTO DE INVESTIGACIONES GEOLOGICAS MAPAS GEOLOGICAS PRELIMINARES DE CHILE, NO. 3, ESCALA 1:250,000.

  • Deposit

    ERICKSEN, G.E., 1981, GEOLOGY AND ORIGIN OF THE CHILEAN NITRATE DEPOSITS: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1188, 37 P.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit CALICHE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-89 Beougher, Dee (Spanski, Gregory T.) U.S. Geological Survey
Updater 09-MAR-90 Orris, Greta J. U.S. Geological Survey
Updater 01-MAR-94 Page, Norman J. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site