Alaska

Past Producer in La Libertad, Peru with commodities Gold, Silver
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10064307
MRDS ID TC38634
Record type Site
Current site name Alaska

Geographic coordinates

Geographic coordinates: -77.42919, -8.37524 (WGS84)
Relative position ABOUT 7 KM NW OF BULDIBUYO.

Site location context

Political divisions (FIPS codes)

La Libertad(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru La Libertad

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Electrum Ore
Galena Ore
Gold Ore
Pyrite Ore
Sphalerite Ore
Quartz Gangue

Alteration

  • (Local) Silicification, Chloritization, Sericitization

Analytical data

Result GOLD GRAINS (2) 93.11-95.93 WEIGHT % AU
Result 4.02-6.85 WEIGHT % AG, 0.04-0.05 WT% CU.

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Pataz Batholith
    Rock description Pataz Batholith
    Stratigraphic age (youngest) Eocene
    Stratigraphic age (youngest) Pennsylvanian

Nearby scientific data

(1) -77.42919, -8.37524

Economic information

Ore body information

  • Strike N
    Dip 65-80W
    Thickness 0.25M
    Length 200M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Pataz Region

Reference information

General comments

Subject category Comment text
Deposit THREE VEINS, QUARTZ-PYRITE, WALLS ALTERED AND SILICIFIED, MASSIVE PYRITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1993 Page, Norman J. U.S. Geological Survey

Beyond USGS

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