Casa Grande

Past Producer in Chile with commodities Copper, Silver
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. Economic information about the deposit and operations
  13. Mining district
  14. Production statistics
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10057577
MRDS ID TC03168
Record type Site
Current site name Casa Grande

Geographic coordinates

Geographic coordinates: -70.30789, -19.0143 (WGS84)
Elevation 900

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Comments on the location information

  • FRUTOS & PINCHEIRA (1986) REPORT LOCATION AS 18-56-36S AND 070-19-54W.

Commodities

Commodity Importance
Copper Primary
Silver Secondary

Materials information

Materials Type of material
Chalcocite Ore
Chalcopyrite Ore
Covellite Ore
Gypsum Gangue
Hematite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Propylitic

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Camaraca Formation
    Rock description Camaraca Formation
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -70.30789, -19.0143

Economic information

Geologic structures

Type of structure Local
Structure description Bedding At N10-20w/20-25e

Ore body information

  • Strike N-S; N15W
    Dip 90; 75E
    Width 1M
  • Strike N-S; N15W
    Dip 90; 75E

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Chaca

Production statistics

  • Year 1966
    Period To 1966
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^10-12% Cu
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 11wt-pct

Comments on the reserve resource information

  • RUIZ FULLER STATED IN 1965: 20,000 MET. TONS COPPER CONTENT.

Reference information

Bibliographic references

  • Deposit

    FRUTOS, J. AND PINCHEIRA, M., 1986, FICHAS METALOGENICAS DE YACIMIENTOS MINERALES METALICOS CHILENOS, IN FRUTOS, J., OYARZUN, J., AND PINCHEIRA, M., EDS., GEOLOGIA Y RECURSOS MINERALES CHILENOS: UNIVERSIDAD DE CONCEPCION, CONCEPCION, P. 841-888.

  • Deposit

    RUIZ, C. AND PEEBLES, F., 1988, YACIMIENTOS METALIFEROS DE CHILE: SANTIAGO, 334 P.

  • Deposit

    PACCI, D. Y CACERES, R., 1980 INVENTARIO DE YACIMIENTOS METALICOS Y NO-METALICOS, PRIMERA REGION, TARAPACA: IIG, SANTIAGO.

  • Deposit

    SALAS, R. Y OTROS, 1966, GEOLOGIA Y RECURSOS MINERALES DEL DEPARTAMENTO DE ARICA: BOL. 21, IIG, SANTIAGO.

  • Deposit

    RUIZ FULLER, CARLOS, 1965, GEOLOGIA Y YACIMIENTOS METALIFEROS DE CHILE, ED. INSTITUTO DE INVESTIGACIONES GEOLOGICAS DE CHILE, EDITORIAL UNIVERSITARIA S.A.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit RECORD W029859 BY C.T. THEUNE HAD BEEN INCORPORATED INTO THIS RECORD. ; INFO.SRC : 1 PUB LIT
Deposit VEINS 100M APART.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1990 Williams, William C. University of Arizona
Updater 01-JUL-1978 Theune, C.T. U.S. Geological Survey

Beyond USGS

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