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  3. Mineral Resource Data System (MRDS)

Jose Arnulfo, Mina

Occurrence in La Libertad, Peru with commodities Gold, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Host and associated rocks
  7. Nearby scientific data
  8. Geologic structures
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Ownership information
  15. Production statistics
  16. Reserves and resources
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10026623
MRDS ID LLB0027
Record type Site
Current site name Jose Arnulfo, Mina

Geographic coordinates

Geographic coordinates: -77.56198, -7.7861 (WGS84)
Elevation 3650
Location accuracy 1000(meters)
Relative position EL ACCESO SE EFECTUA ASI: TRUJILLO-HUAMACHUCO-PUENTE CHAGUAL: 350 KM. CARRETERA AFIRMADA. PUENTE CHAGUAL-PATAZ-MINA: 33 KM. CAMINO DE HERRADURA., Est . Esta Ubicada Con Respecto Al Cerro San Lorenzo.

Site location context

Political divisions (FIPS codes)

La Libertad(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru La Libertad
Peru La Libertad

Commodities

Commodity Importance
Gold Primary
Silver Primary

Analytical data

Result LAS LEYES VARIAN: 3-15 GR/TM DE ORO, 2-20 OZ/TC DE PLATA

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Batolito De Pataz
    Rock description Batolito De Pataz
    Stratigraphic age (youngest) Paleocene

Nearby scientific data

(1) -77.56198, -7.7861
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Fracturas
Type of structure Local
Structure description Fisuras

Ore body information

  • General form ISOMETRICO, PLANO
    Strike S 20 W
    Dip 40 SE
    Thickness 1M
    Length 194M

Controls for ore emplacement

  • Estructural Y Mineralogico (El Cuarzo Se Encuentra Como Relleno)

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Pataz

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Romero Saldarriaga, Jose

Production statistics

  • Year 1973
    Period 1973
    Accuracy Accurate
    Description Cp_Grade: ^ Ag 25 Oz/Tc
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 706g/mt
  • Year 1973
    Period 1973
    Accuracy Accurate
    Description Cp_Grade: ^Au 0.44 Oz/Tc
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Gold Gold 12g/mt

Comments on the production information

  • LAS CUBICACIONES SE HICIERON DE LAS CANCHAS SOLAMENTE Y NO DE LA VETA.

Reserves and resources

  • Type In-situ
    Estimate year 1973
    Total resources 110000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 9 g/mt Gold Major 1973
    Silver Ag 342.137 g/mt Silver Major 1973

Comments on the reserve resource information

  • EL MUESTREO SE REALIZO EN DIFERENTES SITIOS DE LA VETA (PILARES DEJADOS POR LA EXPLOTACION Y CANCHAS)
  • NO PROCEDE ESTIMAR RESERVAS PROBADO-PROBABLE.

Comments on development

  • SE VERIFICO LA EXISTENCIA DE 4 LABORES MINERAS DENOMINADAS POR SU COTA QUE HAN SIDO EJECUTADAS POR LOS ANTERIORES PROPIETARIOS ; TOTAL$: 0.0026 ; EXPL$: 0.00015 ; DEV$: 0.00015 ; MILL$: 0.00016

Reference information

Bibliographic references

  • Deposit

    ZORRILLA MALCA, JORGE. DICTAMEN MINA JOSE ARNULFO, 1973. INFORME DEL BANCO MINERO DEL PERU B3117.

  • Deposit

    WILSON, JOHN Y REYES, LUIS. GEOLOGIA DEL CUADRANGULO DE PATAZ, 1964.

  • Production

    BANCO MINERO DEL PERU

General comments

Subject category Comment text
Deposit LA VETA NO TIENE AFLORAMIENTO VISIBLE, POR ESTAR ENCAPADA GRAN PARTE. LA OCURRENCIA DE ESTA ESTRUCTURA HA SIDO POSIBLE DETERMINARLA MEDIANTE UN INCLINADO DE 26 M. (NIVEL 3630), ADEMAS EXISTEN 3 CORTADAS QUE TOTALIZAN 194 M.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-94 Pantoja Moran, Francis Judith Instituto Geologico Minero Y Metalurgico, Peru
Updater 01-AUG-94 Francisco Herrera Instituto Geologico Minero Y Metalurgico, Peru

Beyond USGS

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

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