1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Buena Cashma

Producer in Ancash, Peru with commodities Silver, Lead, Zinc
Map
XML
JSON
KML
B
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. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10065554
MRDS ID TC40902
Record type Site
Current site name Buena Cashma
Alternate or previous names Veins: Pilar, Pilac

Geographic coordinates

Geographic coordinates: -77.77893, -9.29437 (WGS84)
Elevation 4440
Location accuracy 5000(meters)
Relative position 14-16 KM WEST OF CARHAUZ NEARTHE BOUNDARY OF THE PROVINCES OF YUNGAY AND CARHUAZ (HUARAS SHEET).

Site location context

Political divisions (FIPS codes)

Ancash(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Ancash

Comments on the location information

  • AT THE HEAD OF QUEBRADA CASHMA, BETWEEN LAGUNA AND CERRO MANGAN. ON NORTH SIDE OF QUEBRADA.

Commodities

Commodity Importance
Silver Primary
Lead Primary
Zinc Critical Primary

Materials information

Materials Type of material
Galena Ore
Pyrite Ore
Sphalerite Ore
Tetrahedrite Ore
Calcite Gangue
Quartz Gangue
Rhodochrosite Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -77.77893, -9.29437
ListMap

Economic information

Ore body information

  • Name PILAC VEIN
    Strike N25-35W
    Dip 50-80SW
    Thickness 1M
    Length 520M
    Depth to bottom 100M

Comments on the geologic information

  • THE BUENA CASHMA MINE IS IN FOLDED CRETACEOUS SEDIMENTARY ROCKS JUST NE OF A CONTACT WITH FLAT-LYING TERTIARY VOLCANIC ROCKS. THE CONTACT IS INTRUDED NW OF BUENA CASHMA AND NORTH OF MANGAN BY A STOCK OF PORPHYRITIC ANDESITE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Comments on the production information

  • MINES APPEAR TO HAVE BEEN ABANDONED FOR MANY YEARS AT THIS REPORT (1960). 1902-1906, 6 TONS PER MONTH OF HIGH GRADE (15 KG/TON AG) WAS BEING PRODUCED; LOW GRADE ORE WAS 1.5 KG/TON AG. 1908, 70-80 TONS PER MONTH ORE BEING MINED TO PRODUCE 12 TONS OF CONCENTRATES PER MONTH.

Comments on the reserve resource information

  • INSUFFICIENT DATA 3/74 TO MAKE ESTIMATE. METALLOGENIC MAPS OF PERU INDICATE A SMALL DEPOSIT OF LITTLE OR NO ECONOMIC SIGNIFICANCE.

Comments on the workings information

  • ADITS AND CROSSCUT N60W.

Comments on development

  • IN 1905, 4 VEINS OPENED, ONLY PILAR HAD BEEN EXCLUSIVELY MINED.

Reference information

Bibliographic references

  • Deposit

    SIMONS, FRANK, 1960, UNPUBLISHED REPORT, P. 534.

  • Deposit

    PERU-MAPA METALOGENETICO, 1969, AND GUIA PARA EL MAPA METALOGENETICO DEL PERU, SOCIEDAD NACIONAL DE MINERIA Y PETROLEO, LIMA, PERU, NOV. 1969.

  • Deposit

    VELARDE, CARLOS E., 1908, LA MINERIA EN EL PERU: 365 P. LIMA, MINISTERIO DE FOMENTO, IMPRENTA LA OPINION NACIONAL, P. 64-65.

  • Deposit

    BODENLOS, ALFRED J., AND STRACZEC, JOHN A., 1957, BASE METAL DEPOSITS OF CORDILLERA NEGRA, DEPARTAMENTO DE ANCASH, PERU: U.S. GEOLOGICAL SURVEY BULL. 1040, P. 124-127

  • Deposit

    PFLUCKER, LUIS A., 1906, YACIMIENTOS DE FIERRO DE AIJAY CALLEYCANCHA: CUERPO DE ING. DE MINAS DEL PERU, BOL., NO. 36, P. 28-29.

  • Deposit

    1960 COMPILE FRANK SIMONS, UNPUBLISHED REPORT

  • Other Database

    CIMRI

  • Production

    F. SIMONS, 1960, UNPUBLISHED REPORT; BODENLOS AND STRACZEK (1957).

  • Reserve-Resource

    METALLOGENIC MAPS OF PERU, 1969, 1972.

General comments

Subject category Comment text
Deposit SULFIDE BAND IN VEIN ABOUT 20 CM THICK. THERE ARE THREE OTHER VEINS 35, 42, 52 M SW OF PILAC VEIN, BUT DON'T CONTAIN RECOVERABLE SULFIDES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1994 Page, Norman J. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site