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Eureka

Past 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. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10182715
MRDS ID TC41127
MAS/MILS ID 3330030030
Record type Site
Current site name Eureka
Related records 10065736, 10207033

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -76.99973, -9.88795 (WGS84)
Elevation 4715
Location accuracy 5000(meters)

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
Pyrite Unknown
Quartz Unknown
Sphalerite Unknown

Nearby scientific data

Ore Body (1) -76.99973, -9.88795
ListMap

Economic information

Ore body information

  • Strike N75E
    Dip 75S
    Thickness 0.1M
    Width 90M
    Area 1HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 PYRITIZATION
    Type of Wallrock Alter. #2 BLEACHING
    Strike And Dip N75E:75S
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 1
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Huallanca Mining District

Mineral rights holdings

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

Land status

Ownership category State

Comments on the production information

  • MINE CLOSED PRIOR TO 1952

Workings at the site

  • Type of workings Underground
    Length 500M
    Overall depth 0M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OVERHAND 10-38
    Percent Waste Rock 80
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING MAY BACK SLAB
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Length of Inclines (m) 0
    Slope of Inclines 0
    Avg. Length of Adits (m) 100
    Number of Adits 3
    1st Condition of Workings OPEN
    Capacity 5
    Capacity Units MT ORE/DAY
    Unit Production Cost 10
    Units of Production $/MT ORE
    Operating Days per Year 200
    Operating Shifts per Day 1
    Year of Information 1975

Reference information

Bibliographic references

  • Deposit

    BODENLOS, A., ERICKSEN, G., 1955, LEAD-ZINC DEPOSITS OF CORD

  • Deposit

    BLANCA AND N. CORD. HUAYHUASH, PERU: USGS BULL. 1017, 166 PG

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-84 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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