San Juan De Lucanas

Plant in Ayacucho, Peru with commodities Gold, Lead, Silver
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. Production statistics
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10304291
MRDS ID W002034
MAS/MILS ID 3330090020
Record type Site
Current site name San Juan De Lucanas
Alternate or previous names San Juan Lucanas
Related records 10068784

Geographic coordinates

Point of reference Town
Geographic coordinates: -74.24967, -14.61447 (WGS84)
Elevation 2700
Location accuracy 10000(meters)

Site location context

Political divisions (FIPS codes)

Ayacucho(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Ayacucho

Commodities

Commodity Importance
Gold Primary
Lead Tertiary
Silver Primary

Materials information

Materials Type of material
Cerargyrite Unknown
Hessite Unknown

Nearby scientific data

Town (1) -74.24967, -14.61447

Economic information

Ore body information

  • Area 20HA
    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
    Total Surface Area (HA) 20
    Date of Last Modification 780615

Economic information about the deposit and operations

Operation type Underground
Development status Plant
Commodity type Metallic
Deposit size Medium
Significant Yes
Plant type Beneficiation (Mill)
Plant subcategory Flotation
Milling method Unspecified

Mining district

District name San Juan

Mineral rights holdings

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

Land status

Ownership category State

Ownership information

  • Type Operator
    Owner Cia. Minera San Juan De Lucanas S. A.
    Interest 100
    Home office Peru
    Year 1991

Production statistics

  • Year 1991
    Description Ore Production 400 Mt/Day

Reserves and resources

  • Type In-situ
    Estimate year 1991
    Measured 251080mt ore
    Indicated 41050mt ore
    Demonstrated 292130mt ore
    Total resources 292130mt ore
    Commodity Subtype Grade units Group Importance Year
    Silver Ag 344.23 g/mt Silver Major 1991
    Gold Au 88.114 g/mt Gold Major 1991
    Lead Pb 0.87 wt-pct Lead Trace 1991

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ESTIMATE
    Mining Method TIMBERED STOPES
    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
    1st Condition of Workings OPEN
    2nd Condition of Workings PART ACCESSIBLE
    Capacity 280
    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.

  • Deposit

    1975 E/MJ INT.DIRECTORY,P.258

General comments

Subject category Comment text
Deposit 1975 PROD.-1 TO 10 MILLION TONS ORE,1971 PROD.(PURSER)-700 /MONTH. PURSER STATES AG CONS HAVE 12.4K AG PER TON AND OR 8.2 PCT, CLEARLY STATED.CONC. BY FLOTATION (GRIND TO 600 MESH-?) & TAI TREATMENT BY MACARTHUR & FORREST CYANIDATION PROCESS.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1995 Peterson, Gary R. U.S. Bureau of Mines

Beyond USGS

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