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Lira De Oro, Mina

Prospect 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. Materials information
  7. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Land status
  15. Ownership information
  16. Reserves and resources
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10026629
MRDS ID LLB0041
Record type Site
Current site name Lira De Oro, Mina

Geographic coordinates

Geographic coordinates: -78.61589, -8.09886 (WGS84)
Elevation 3500
Location accuracy 1000(meters)
Relative position TRUJILLO-SHIRAN= 37 KM. POR CARRETERA ASFALTADA. SHIRAN-AGALLPAMPA= 43 KM. POR CARRETERA AFIRMADA. AGALLPAMPA-MINA= 15 KM. POR TROCHA CARROZABLE., Est . Se Han Tomado Coordenadas Con Respecto Al Distrito De Salpo.

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

Comments on the commodity information

  • LOS PRINCIPALES MINERALES DE PLATA SON LA GALENA Y LA TETRAHEDRITA, LA GANGA PRINCIPAL ES CUARZO Y BRECHA SILICIFICADA DE LAS CAJAS. LA MINERALIZACION SE PRESENTA EN VENILLAS, LENTES Y DISEMINACIONES; ES BANDEADA Y BRECHADA

Materials information

Materials Type of material
Galena Ore

Alteration

  • (Local) Piritizacion, Caolinizacion, Silicificacion.

Analytical data

Result AU 7.21 GR/TM
Result AG 6.64 OZ/TM

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Paleocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite

Nearby scientific data

(1) -78.61589, -8.09886
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Anticlinales Y Sinclinales De Flancos Muy Suaves Con Buzamiento Entre 10 Y 20 Grados. No Hay Fallas Regionales De Importancia.
Type of structure Local
Structure description Fracturas De Rumbo Nw-Se

Ore body information

  • General form PLANO, ISOMETRICO
    Strike S 55 E
    Dip 77 NE
    Thickness 2M
    Length 79M
    Width 30M

Controls for ore emplacement

  • Estructural

Comments on the geologic information

  • HAY UNA ZONA DE OXIDACION HASTA LOS 50 M. DE PROFUNDIDAD APROXIMADAMENTE, DONDE LA VETA ES DE COLOR ROJIZO-AMARILLENTO.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Medium
Significant No
Year of first production 1988

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Compania Minera La Merced S.A.

Reserves and resources

  • Type In-situ
    Estimate year 1989
    Total resources 7901000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 7.81 g/mt Gold Major 1989

Comments on the reserve resource information

  • EL CUADRO DE RESERVAS SE HA HECHO TENIENDO EN CUENTA LAS NORMAS TECNICAS DE CUBICACION DEL BANCO Y LOS RESULTADOS OBTENIDOS CON EL MUESTREO COMPLEMENTERIO EFECTUADO.
  • LAS RESERVAS SON DE LAS CATEGORIAS PROBADO, PROBABLE Y PROSPECTIVO.

Comments on development

  • EXPL$: 0.112

Reference information

Bibliographic references

  • Deposit

    RUIZ SANCHEZ, FRANK. INFORME TECNICO MINA LIRA DE ORO, 1989. INFORME DEL BANCO MINERO DEL PERU B3755.

  • Deposit

    COSSIO, AURELIO. GEOLOGIA DE LOS CUADRANGULOS DE PUEMAPE, CHOCOPE, OTUZCO, TRUJILLO, SALAVERRY Y SANTA

  • Deposit

    GOMEZ BAQUEDANO, ROLANDO. INFORME TECNICO MINA LIRA DE ORO, 1971.

  • Deposit

    VILCHEZ ORTIZ, NICANOR. INFORME MINA LIRA DE ORO, 1971.

General comments

Subject category Comment text
Deposit CUANDO EL YACIMIENTO ES EN VETILLAS, SIGUE EL BANDEAMIENTO DE LA ESTRUCTURA PRINCIPAL.
Deposit LA EXPLORACION SE HA REALIZADO EN DIFERENTES NIVELES DEL YACIMIENTO, EN LOS CUALES SE HAN HECHO DIFERENTES CORTADAS. ; INFO.SRC : 1 PUB LIT

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 Manuel Paz Maidana 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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