Carahuacra

Producer in Junin, Peru with commodities Lead, Silver, Zinc
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. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  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 10231466
MRDS ID TC40349
MAS/MILS ID 3330210002
Record type Site
Current site name Carahuacra
Alternate or previous names Huaripampa Open Pit
Related records 10065241

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -76.08302, -11.71458 (WGS84)

Site location context

Political divisions (FIPS codes)

Junin(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Junin

Comments on the location information

  • LOCATION IN YAULI,PERU 10 KM S.OFMOROCOCHA OWNER/OPERATOR IS LISTED IN 1975 EMJ

Commodities

Commodity Importance
Lead Secondary
Silver Secondary
Zinc Critical Primary

Materials information

Materials Type of material
Chalcopyrite Unknown
Magnetite Unknown
Pyrite Unknown
Quartz Unknown
Sphalerite Unknown

Nearby scientific data

Ore Body (1) -76.08302, -11.71458

Economic information

Ore body information

  • Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 BRECCIA FILL
    Shape of Orebody #2 LENTICULAR
    Type of Orebody #3 REPLACEMENT
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin METAMORPHISM
    Primary Ore Control FRACTURING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 DOLOMITIZATION
    Type of Wallrock Alter. #2 SILICIFICATION
    Strike And Dip N72E:
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Producer
Commodity type Metallic
Deposit size Small
Significant Yes
Mining method Combined Methods
Milling method Flotation

Mining district

District name Morococha Mining District

Mineral rights holdings

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

Land status

Ownership category State

Ownership information

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

Reserves and resources

  • Type In-situ
    Estimate year 1993
    Demonstrated 1100000mt ore
    Total resources 1100000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 9.11 wt-pct Zinc Major 1993

Comments on the reserve resource information

  • 1989 PRODUCTION OF 464,000 MT ORE AT 5.89% ZN, 0.65% PB AND 2.72 OZ AG. COMBINED RESERVES 694,410 ST OR AT 1.70 OZ AG, .84% PB, AND 9.12% ZN. (FROM U.S. EMBASSY). INVESTMENT FOR 1990 EQUALS $1.742 MILLION.
  • DATA FROM PAH REPORT.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OPEN PIT
    Percent Waste Rock 65
    Capacity 610
    Capacity Units MT ORE/DAY
    Operating Days per Year 312
    Operating Shifts per Day 2
    Year of Information 1989
  • Type of workings Underground
    Overall depth 350M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method ROOM AND PILLAR 10-34
    Percent Recovery 90
    Number of Shafts 1
    Number of Adits 1
    Capacity 1015
    Capacity Units MT ORE/DAY
    Operating Days per Year 312
    Operating Shifts per Day 2
    Year of Information 1989

Reference information

Bibliographic references

  • Reserve-Resource

    AME MINERAL ECONOMICS QUARTERLY MINE ANALYSIS, JUN 93,P. 49.

  • Deposit

    RIDGE, J., 1972, ANNOTATED BIBLIOGRAPHIES OF MINERAL DEPOSIT

  • Deposit

    604

  • Deposit

    1975 EMJ INTERNATIONAL DIRECOTRY;MCGRAW-HILL PUB.PAGE 258

Reporter information

Type Date Name Affiliation Comment
Reporter 04-AUG-1994 Difrancesco, Carl A. U.S. Bureau of Mines

Beyond USGS

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