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Machcan

Producer in Pasco, Peru with commodities 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 10255566
MRDS ID TC40979
MAS/MILS ID 3330350012
Record type Site
Current site name Machcan
Related records 10099566

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -76.16162, -10.56932 (WGS84)
Elevation 4175
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
Lead Tertiary
Silver Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Calcite Unknown
Cerussite Unknown
Galena Unknown
Hemimorphite Unknown
Limonite Unknown

Nearby scientific data

Ore Body (1) -76.16162, -10.56932
ListMap

Economic information

Ore body information

  • Strike N45W
    Dip 90N
    Thickness 1.5M
    Length 200M
    Width 150M
    Area 20HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 FISSURE VEIN
    Shape of Orebody #2 LENTICULAR
    Primary mode of Origin OXIDATION
    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 CARBONITIZATION
    Strike And Dip N45W:90N
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 20
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Atacocha 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 Srs. Cipriano Proano And Juan Antonio Proano
    Interest 100
    Home office Peru
    Year 1955

Comments on the production information

  • IN 1952, PRODUCTION WAS 30 TPM HANDSORTED P8 OX-SUL. CONS, T TO PASCO. A 50 TPD MILL WAS PLANNED FOR OPERATION BY 1954.

Workings at the site

  • Type of workings Underground
    Length 2000M
    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 70
    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) 400
    Number of Adits 2
    1st Condition of Workings OPEN
    Capacity 10
    Capacity Units MT ORE/DAY
    Unit Production Cost 20
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 1
    Year of Information 1975

Reference information

Bibliographic references

  • Deposit

    JOHNSON, R., LEWIS, R., ABELE, G., 1955, GEOLOGY AND ORE DEP

  • Deposit

    OF THE ATACOCHA DIST., DEPTO. DE PASCO, PERU: USGS BULL. 975

  • Deposit

    336E-388E.

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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