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Collaracra

Producer in Ancash, Peru with commodities Copper, Lead, Silver, Zinc
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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. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10279679
MRDS ID TC40901
MAS/MILS ID 3330030019
Record type Site
Current site name Collaracra
Related records 10065553

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -77.49976, -10.48793 (WGS84)

Site location context

Political divisions (FIPS codes)

Ancash(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Ancash

Commodities

Commodity Importance
Copper Tertiary
Lead Tertiary
Silver Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Unknown
Galena Unknown
Sphalerite Unknown

Nearby scientific data

Ore Body (1) -77.49976, -10.48793
ListMap

Economic information

Ore body information

  • Strike N20W
    Dip 40E
    Thickness 2.5M
    Length 350M
    Width 350M
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 REPLACEMENT
    Primary mode of Origin HYDROTHERMAL
    Secondary mode of Origin OXIDATION
    Primary Ore Control FAULTING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 PYRITIZATION
    Type of Wallrock Alter. #2 INTERM ARGILLIC
    Strike And Dip N20W:40E
    Minimum Depth to Top 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 780615

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant No
Discovery year 1621

Mining district

District name Ticapampa

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 Grace Co., W. R.
    Interest 40
    Year 1971
  • Type Owner-Operator
    Owner Corp. Minera Castrovirreyna
    Interest 35
    Home office Peru
    Year 1971
  • Type Owner-Operator
    Owner Cia. Minera Condor
    Interest 25
    Home office Peru
    Year 1971

Comments on the production information

  • PURSER STATES PB CON HAS 55 PCT PB AND 7150 GR AG, A NEW 500 PLANT IS BEING BUILT-1971.

Workings at the site

  • Type of workings Underground
    Length 2100M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method ROOM AND PILLAR 10-34
    Percent Waste Rock 20
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. UNSUPPORTING NO FLOW
    Mine Support Chars. TIMBER W/LAGGING CONCRETE-UNREINFOR
    Length of Inclines (m) 0
    Slope of Inclines 0
    Avg. Length of Adits (m) 300
    Number of Adits 6
    1st Condition of Workings OPEN
    2nd Condition of Workings PART ACCESSIBLE
    Capacity 250
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 2
    Year of Information 1975

Reference information

Bibliographic references

  • Deposit

    PURSER, W., 1971, METAL-MINING IN PERU, PAST AND PRESENT: PR

  • Deposit

    PUBS., NEW YORK, 339 PGS.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Ljb 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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