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

Mocha

Prospect in Tarapaca, Chile with commodity 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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mineral rights holdings
  11. Ownership information
  12. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10255022
MRDS ID W001978
MAS/MILS ID 3370470003
Record type Site
Current site name Mocha
Related records 10068737

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -69.26623, -19.8143 (WGS84)
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Tarapaca(province)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Chile Tarapaca

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chalcocite Unknown
Chalcopyrite Unknown

Nearby scientific data

Ore Body (1) -69.26623, -19.8143
ListMap

Economic information

Ore body information

  • Field Value
    Type of Orebody #1 STOCKWORK
    Shape of Orebody #1 IRREGULAR
    Shape of Orebody #2 MASSIVE
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin OXIDATION
    Primary Ore Control FAULTING
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 SERICITIC
    Type of Wallrock Alter. #2 INTERM ARGILLIC
    Type of Wallrock Alter. #3 PROPYLITIC
    Date of Last Modification 790922

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Significant No
Milling method Flotation

Mineral rights holdings

Type of mineral rights State Lease

Ownership information

  • Type Owner-Operator
    Owner Corporacion De Formento De La Produccion (Corfo)
    Interest 100
    Home office Chile
    Year 1987

Reserves and resources

  • Type In-situ
    Estimate year 1978
    Inferred 22000000mt ore
    Total resources 22000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.7 wt-pct Copper Major 1978
  • Type In-situ
    Estimate year 1987
    Inferred 100000000mt ore
    Total resources 100000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 1 wt-pct Copper Major 1987

Reference information

Bibliographic references

  • Deposit

    HOLLISTER, V., 1973, REGIONAL CHARACTERISTICS OF PORPHYRY CO

  • Deposit

    DEPOSITS OF S. AMER.: MIN. ENG., AUG., 1973, P. 51-57.

  • Deposit

    ANONYMOUS, 1974, CHILES UNEXPLOITED COPPER DEPOSITS: MIN. JO

  • Deposit

    182-214.

  • Deposit

    PERSONAL CORRESPONDENCE, MARCH 2, 1978, CHUQUICAMATA MINE,

  • Deposit

    CORPORACION DEL COBRE, COMPANIA DE COBRE CHUQUICAMATA,

  • Deposit

    HUERFANOS 812, 5TH FLOOR, SANTIAGO, CHILE. COPY ON FILE AT

  • Deposit

    U.S. BUREAU OF MINES IN DENVER, COLORADO.

  • Deposit

    WORLD MINING, CONOCO BEGINS EXPLORATION AT LA MOCHA CU DE-

  • Deposit

    POSIT, 2/82, P.66.

  • Deposit

    LATIN AMERICAN MINING LETTER, 10/30/87, VOL. 60, NO 20, P.8.

General comments

Subject category Comment text
Deposit GRADE EST. IS BY ANONYMOUS

Reporter information

Type Date Name Affiliation Comment
Reporter 27-JUL-94 Porter, Kenneth E. 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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