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

Atacocha

Plant in Pasco, Peru with commodities Copper, Gold, Lead, Silver, Zinc
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. Nearby scientific data
  7. Ore body information
  8. Economic information about the deposit and operations
  9. Mining district
  10. Mineral rights holdings
  11. Land status
  12. Ownership information
  13. Production statistics
  14. Reserves and resources
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10207142
MRDS ID W001993
MAS/MILS ID 3330350001
Record type Site
Current site name Atacocha
Alternate or previous names Atacocha Chierin, Atacocha Mine
Related records 10068751

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -76.16162, -10.56932 (WGS84)
Elevation 4000
Location accuracy 5000(meters)

Site location context

Political divisions (FIPS codes)

Pasco(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Pasco

Commodities

Commodity Importance
Copper Secondary
Gold Secondary
Lead Primary
Silver Primary
Zinc Critical Primary

Nearby scientific data

Ore Body (1) -76.16162, -10.56932
ListMap

Economic information

Ore body information

  • Thickness 12M
    Length 65M
    Width 750M
    Area 700HA
    Depth to top 10M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 MASSIVE
    Type of Orebody #2 FISSURE VEIN
    Shape of Orebody #2 TABULAR
    Shape of Orebody #3 LENTICULAR
    Primary mode of Origin CONT METASOMATIC
    Secondary mode of Origin HYDROTHERMAL
    Primary Ore Control CONTACT ZONE
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 BLEACHING
    Type of Wallrock Alter. #2 PYRITIZATION
    Type of Wallrock Alter. #3 CARBONATE SILIC
    Minimum Depth to Top 5
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 700
    Date of Last Modification 920825

Economic information about the deposit and operations

Operation type Underground
Development status Plant
Commodity type Metallic
Significant Yes
Discovery year 1910
Mining method Combined Methods
Year of first production 1936
Plant type Beneficiation (Mill)
Plant subcategory Flotation
Milling method Flotation

Mining district

District name Yanacocha

Mineral rights holdings

Type of mineral rights State Lease
Type of mineral rights Minerals Only

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Compania Minera Atacocha S. A.
    Interest 100
    Home office Peru
    Year 1989

Comments on the ownership information

  • EMPLOYEES OWN 51% OF OPERATION, JULY 11, 1975 LAW.

Production statistics

  • Year 1988
    Description Production 1180606 Oz Silver
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 36720956.28g

Comments on the production information

  • ACTUAL 1974 PRODUCTION GRADES; PB-0.279%, ZN-0.306%, AG-0.285 G/MY, AU-0.063G/MT; DATA FROM REFERENCE #009-010.

Reserves and resources

  • Type In-situ
    Estimate year 1986
    Measured 234599mt ore
    Demonstrated 234599mt ore
    Total resources 234599mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.404 g/mt Gold Minor 1986
    Lead Pb 4.79 wt-pct Lead Major 1986
    Zinc Zn 5.35 wt-pct Zinc Major 1986
    Silver Ag 127.8 g/mt Silver Major 1986
  • Type In-situ
    Estimate year 1993
    Demonstrated 2300000mt ore
    Total resources 2300000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 4.8 wt-pct Lead Major 1993
    Zinc Zn 5.4 wt-pct Zinc Major 1993
  • Type In-situ
    Estimate year 1991
    Measured 3429085mt ore
    Indicated 2403594mt ore
    Demonstrated 5832679mt ore
    Total resources 5832679mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.377 g/mt Gold Minor 1991
    Lead Pb 3.39 wt-pct Lead Major 1991
    Zinc Zn 5.33 wt-pct Zinc Major 1991
    Silver Ag 111.429 g/mt Silver Major 1991

Comments on the reserve resource information

  • ADIT WAS UPDATED BY DAB, AUGUST 1992 USING DATA FROM REFERENCE R#001-002.

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method COMBINED METHODS
    Percent Recovery 100
    Capacity 2420
    Capacity Units MT ORE/DAY
    Operating Days per Year 300
    Year of Information 1989

Reference information

Bibliographic references

  • Reserve-Resource

    RECORD #3 - THE PERU REPORT'S - "LAS MINAS DEL PERU - MINES

  • Reserve-Resource

    AND MINERS IN PERU", 1991, PP. 85-87.

  • Reserve-Resource

    AME MINERAL ECONOMICS QUARTERLY MINE ANALYSIS, JUNE 1993,

  • Reserve-Resource

    P. 39, 49.

  • Deposit

    PURSER, W.F.C.,1971, METAL MINING IN PERU, PAST TO PRESENT,

  • Deposit

    PRAEGER PUB., NEW YORK, 339 P.

  • Deposit

    PETERSEN ULRICH, 1965, REGIONAL GEOLOGY AND MAJOR ORE

  • Deposit

    DEPOSITS, CENTRAL PERU: ECONOMIC GEOLOGY, VOL.60, NO.3,

  • Deposit

    PP407-476.

  • Deposit

    JOHNSON, R. F., LEWIS, R., W., ABELE C., G., 1955, GEOLOGY

  • Deposit

    AND ORE DEPOSITS OF THE ATACOCHA DISTRICT, DEPT. DE PASCO,

  • Deposit

    PERU, USGS BULT. 975-E?, PP. 337E-388E.

  • Deposit

    1975 EMJ INTERNATIONAL DIRECTORY MINING AND MINERAL

  • Deposit

    PROCESSING, MCGRAW HILL PUBILSHING, NEW YORK, PAGE 254.

Comments on the references

  • PART OF THE OLDER BIBLIOGRAPHY REFERENCES, LINES 001-010, WERE CUT OFF, DATA PRESENTED MAY NOT BE COMPLETE.

Reporter information

Type Date Name Affiliation Comment
Reporter 29-DEC-94 Difrancesco, Carl A. U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site