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Decorfa Uno, Mina

Producer in Ancash, Peru with commodities Silver, Lead, 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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Land status
  12. Ownership information
  13. Production statistics
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10086772
MRDS ID ANC0048
Record type Site
Current site name Decorfa Uno, Mina

Geographic coordinates

Geographic coordinates: -77.56643, -9.39797 (WGS84)
Elevation 2800
Location accuracy 1000(meters)
Relative position A 19.5 KM DE HUARAZ., Est . Tomado De La Hoja De Huaraz 20-H. Esc. 1/100000

Site location context

Political divisions (FIPS codes)

Ancash(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Ancash
Peru Ancash

Comments on the location information

  • SE UBICA EN EL PARAJE MALLQUI. DISTA 61 KM. DE LA PLANTA CATAC. LA MANO DE OBRA SE ENCUENTRA CON FACILIDAD. EL AGUA ES SUFICIENTE Y CORRE POR LA QUEBRADA MALLQUI.

Commodities

Commodity Importance
Silver Primary
Lead Primary
Zinc Critical Primary

Comments on the commodity information

  • EL TRATAMIENTO METALURGICO ES DIFICIL POR LA PRESENCIA DE ABUNDANTE LAMA QUE INTERCEPTA LA FLOTACION DE PLOMO Y ZINC.

Materials information

Materials Type of material
Galena Ore

Analytical data

Result 2.99% PB, 3.2 OZ/TC AG, 3.58% ZN

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -77.56643, -9.39797
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Economic information

Ore body information

  • General form ISOMETRICO
    Strike N12E
    Dip 75NW

Comments on the geologic information

  • EL AREA ESTA CUBIERTA MAYORMENTE POR MATERIAL DE ESCOMBRO, AFLORANDO UNA ANDESITA MUY DESCOMPUESTA DE TEXTURA PORFIDICA Y COLOR AMARILLENTO . DENTRO DE ESTA AREA EXISTE UN PEQUENO DEPOSITO DE CAOLIN (50X20 M.) .

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner S.M.R.L. Decorfa Uno De Huaraz

Production statistics

  • Year 1978
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^4.3% Pb, 5.4 Oz/Tc Ag, 5.80% Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Lead Lead 4wt-pct
    Ore Zinc Zinc 6wt-pct
    Major Ore Silver Silver 153g/mt

Comments on the production information

  • DEL DEPOSITO DE CAOLIN EXISTENTE EN EL AREA, SE HAN EXPLOTADO UNAS 30 TM. EN ANOS ANTERIORES.

Reserves and resources

  • Type In-situ
    Estimate year 1978
    Total resources 537000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 2.97 wt-pct Lead Major 1978
    Zinc Zn 2.95 wt-pct Zinc Major 1978
    Silver Ag 183.51 g/mt Silver Major 1978

Comments on the reserve resource information

  • EXISTE ADEMAS 423 TM DE MINERAL PROBADO EVENTUALMENTE ACCESIBLE.

Comments on the workings information

  • EL MINERAL SE EXTRAE DEL SUB-NIVEL POR CUATRO OBREROS. LA PERFORACION SE REALIZA A PULSO.

Comments on development

  • EXISTEN DOS LABORES A LAS QUE SE LES HA DENOMINADO NIVELES UNO Y DOS. EN EL NIVEL 1 SE HA EVIDENCIADO UN TRAMO MINERALIZADO DE 17 M. SEGUIDO DE UNO ESTERIL. EL NIVEL 2 SE UBICA A 12 M. VERTICALES POR ENCIMA DEL NIVEL UNO. ESTA LABOR EXPONE A LA ESTRUCTURA CON MINERALIZACION UNIFORME DE GALENA EN VENILLAS Y EN PEQUENAS CONCENTRACIONES. ; ECON.COM: SE TRATA DE UN PPROSPECTO QUE TIENE ESCASAS POSIBILIDADES ECONOMICAS POR EL MOMENTO POR TENER LEYES SUB-MARGINALES.

Reference information

Bibliographic references

  • Deposit

    NENEZ ALMEIDA, LUIS; INFORME SOBRE LA MINA DECORFA UNO, B.M.P. OCTUBRE 1978. COD. B2153

  • Production

    BANCO MINERO

General comments

Subject category Comment text
Deposit SE TRATA DE UNA FRACTURA EMPLAZADA EN ANDESITA CON UN ANCHO QUE VARIA DE 0.40 A 1.20 M. SUS CAPAS SON DEFINIDAS Y UN TANTO INCONSISTENTES POR LA ALTERACION. EL AFLORAMIENTO ES VISIBLE 30 M.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-94 Delgado Valladares, Javier E. Instituto Geologico Minero Y Metalurgico, Peru
Updater 01-MAR-94 Gonzales, Rosa 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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