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Ekeko and San Lorenzo Mines

Past Producer in Chuquisaca, Bolivia with commodity Copper
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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. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10006112
MRDS ID BL20045
Record type Site
Current site name Ekeko and San Lorenzo Mines

Geographic coordinates

Geographic coordinates: -65.06609, -20.18091 (WGS84)
Elevation 3500
Relative position 4.5 KM NW OF ESTANCIA OCURI

Site location context

Political divisions (FIPS codes)

Chuquisaca(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia Chuquisaca

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Gangue
Quartz Gangue
Siderite Gangue

Alteration

  • (Local) Silicification

Analytical data

Result INITIAL SURFACE SAMPLES AVERAGE 0.15% CU
Result SAMPLES AT DEPTH AVERAGE 9.60% CU.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Stratigraphic age (youngest) Late Ordovician
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -65.06609, -20.18091
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description N-S Syncline

Ore body information

  • General form PINCH AND SWELL
    Length 3000M
    Width 2M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Ownership information

  • Type Owner-Operator
    Owner Oscar Cossio, Fernando Ascarrunz

Comments on the workings information

  • SHORT ADITS AND CROSS CUTS

Reference information

Bibliographic references

  • Deposit

    INTERNATIONAL MINING CO., 1969, INTERNAL REPORT EXPL. N 301/69 (MINTEC FILE I-VM-11).

  • Deposit

    GUSTAVSON ASSOC., 1992, COMPENDIUM OF THE ECONOMIC GEOLOGY OF BOLIVIA

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit FIVE SEMIPARALLEL VEINS UP TO 3 KM LONG WHICH PINCH AND SWELL FROM 0.1 TO 2 M WIDTH. VEINS FILL FRACTURES ON EAST LIMB OF N-S ANTICLINE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1993 Long, Keith R. U.S. Geological Survey

Beyond USGS

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

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