Ada Sofia, Mina

Prospect in Junin, Peru with commodities Silver, Lead, Zinc
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  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 10088491
MRDS ID JUN0042
Record type Site
Current site name Ada Sofia, Mina

Geographic coordinates

Geographic coordinates: -75.81665, -11.89287 (WGS84)
Elevation 4200
Location accuracy 1000(meters)
Relative position CANCHAYLLO ESTA UBICADO A 15.5 KM EN LINEA RECTA DE LA MINA SOFIA., Est Ubicacion De La Mina Sofia

Site location context

Political divisions (FIPS codes)

Junin(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Junin
Peru Junin

Comments on the location information

  • LA MINA SE ENCUENTRA EN LA REGION DE YANACOCHA, DEL DIST. DE CHACAPALPA, PROV. YAULI, DPTO. JUNIN.

Commodities

Commodity Importance
Silver Primary
Lead Primary
Zinc Critical Primary

Materials information

Materials Type of material
Galena Ore
Calcite Gangue

Analytical data

Result AG: 16.21 OZ/TC, PB: 15.56 %, ZN: 15.51 %.

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic)
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic)

Nearby scientific data

(1) -75.81665, -11.89287

Economic information

Ore body information

  • General form PLANA
    Strike N-50-70-W
    Dip 30-40-SW
    Thickness 0.07M
    Length 168M

Controls for ore emplacement

  • Fracturas Y Fallas

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Sr. Jose Galvez Figueroa.

Production statistics

  • Year 1966
    Material ZN
    Accuracy Estimate
    Description Ap_Grade: ^11 - 15 %
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Zinc Zinc 13wt-pct
  • Year 1966
    Material PB
    Accuracy Estimate
    Description Ap_Grade: ^13 - 17 %
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Lead Lead 15wt-pct
  • Year 1966
    Material AG
    Accuracy Estimate
    Description Ap_Grade: ^9 - 22 Oz/Tc
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 438g/mt

Reserves and resources

  • Type In-situ
    Estimate year 1967
    Total resources 2200000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 11.56 wt-pct Lead Major 1967
    Silver Ag 504.186 g/mt Silver Major 1967
    Zinc Zn 15.51 wt-pct Zinc Major 1967

Workings at the site

  • Type of workings Underground
    Overall length 274.32M

Comments on the workings information

  • ACTUALMENTE SE EXPLOTA MINERAL A PULSO, MEDIANTE CIRCADO DE LA VETA EN LOS 2 FRENTES DEL SUBNIVEL EXISTENTE EN EL "SOCAVON PRINCIPAL".

Comments on development

  • EN LA ESTRUCTURA NORTE ADEMAS DE VARIOS CATEOS EFECTUADOS POR ANTIGUOS PROPIETARIOS QUE HAN RECONOCIDO LA VETA A LO LARGO DEL AFLORAMIENTO EXISTEN LAS SIGUIENTES LABORES: SOCAVON PRINCIPAL Y NIVEL INFERIOR; APARTE EXISTE LA ESTRUCTURA SUR. ; ECON.YEAR: 1967 ; ECON.COM: EL BMP OTORGA UN PRESTAMO AL SR. JOSE GALVEZ FIGUEROA LA CANTIDAD DE S/. 150,000,00

Reference information

Bibliographic references

  • Deposit

    TAJADA GARCIA G. MINAS "HILDA" Y "ADA SOFIA" BMP 1967 INGEMMET B2658

General comments

Subject category Comment text
Deposit EL YACIMIENTO SE ENCUENTRA EN UNA FORMACION VOLCANICA, PREDOMINANDO EN LOS ALREDEDORES ARENISCAS ROJIZAS Y CALIZAS. ATRAVEZANDO EL VOLCANICO SE OBSERVAN 2 AFLORAMIENTOS: UNO DE MAS DE 100 METROS SIGUIENDO RUMBO N-70W CON UN BUZAMIENTO DE 40-SW, OTRO PARALELO AL PRIMERO DE UNOS 50 METROS DE LONGITUD.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-94 Alva Ruiz, Jose L. Instituto Geologico Minero Y Metalurgico, Peru
Updater 01-MAR-94 Gonzales Chavez, Rosa Instituto Geologico Minero Y Metalurgico, Peru

Beyond USGS

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