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

Lobo

Prospect in Chile with commodity Gold
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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. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10058038
MRDS ID TC03764
Record type Site
Current site name Lobo
Alternate or previous names Cerro Villalobos
Related records 10287969

Geographic coordinates

Geographic coordinates: -69.03283, -27.22747 (WGS84)

Site location context

Political divisions (FIPS codes)

Chile(country)

South America(continent)

Land(continent)

Geographic areas

Country
Chile

Comments on the location information

  • SEVEN KILOMETERS SOUTH OF MARTE DEPOSIT.

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Gold Ore
Molybdenite Ore
Pyrite Ore
Chlorite Gangue
Clay Gangue
Magnetite Gangue
Quartz Gangue
Sericite Gangue
Specularite Gangue

Alteration

  • (Local) Biotite, K-Silicate Alteration Overprinted By Argillic; Some Remnants Of Quartz-Alunite

Analytical data

Result VILA AND SILLITOE (1991) CONTAINS A MAP OF SOIL AND ROCK CHIP GEOCHEMISTRY

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -69.03283, -27.22747
ListMap

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Significant No

Mining district

District name Cerro Bastillas

Ownership information

  • Type Owner
    Owner Cominco Resources
    Interest 24.7
  • Type Owner
    Owner Anglo-American
    Interest 74.3

Comments on the production information

  • PRODCUTION TO COMMENCE IN 1991.

Reserves and resources

  • Type In-situ
    Estimate year 1989
    Total resources 70000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.368 g/mt Gold Major 1989

Comments on the reserve resource information

  • AU(1) IS CONTAINED METAL. ORE(2) GEOLOGIC RESERVES FROM 1988-1989.

Comments on the workings information

  • TO BE MINED WITH OPEN PIT.

Comments on development

  • DRILLING COMPLETED 1988-1989. 1994 COMINCO INITIATED SALE OF 50% INTEREST TO TECK RESOURCES FOR 1.5 MILLION DOLLARS.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit STEEP, ANNULAR BODY OF MULTIDIRECTIONAL STOCKWORK DOMINATED BY NW AND NE STRIKING VEINLETS CARRIES GOLD AND SURROUNDS A LOW-GRADE ORE (<0.1 PPM AU). AU CONTENT INCREASES FROM PERIPHERIES INWARD TO 2-3 PPM AU IN CENTERS. LOCAL UP TO 4-7 PPM AU.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1990 Williams, William C. University of Arizona
Updater 01-JAN-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