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Emma Y Alicia Mine

Past Producer in Potosi, Bolivia with commodities Lead, Zinc, Silver, 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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Ownership information
  14. Reserves and resources
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10006324
MRDS ID BL20320
Record type Site
Current site name Emma Y Alicia Mine

Geographic coordinates

Geographic coordinates: -65.13276, -19.81426 (WGS84)
Elevation 3500
Relative position 21.5 KM S20E OF ESQUIRI

Site location context

Political divisions (FIPS codes)

Potosi(province)

Bolivia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Bolivia Potosi
Bolivia Potosi

Commodities

Commodity Importance
Lead Primary
Zinc Critical Primary
Silver Primary
Copper Tertiary

Materials information

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

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) -65.13276, -19.81426
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description N45w Anticline

Ore body information

  • Strike N 5 E, N 85 W
    Dip 58 NW, 86 SW

Controls for ore emplacement

  • Veins Confined To Sandstone

Economic information about the deposit and operations

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

Ownership information

  • Type Owner
    Owner Victor Tirado

Reserves and resources

  • Type In-situ
    Estimate year 1981
    Total resources 2497000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 0.23 wt-pct Lead Major 1981
    Zinc Zn 0.17 wt-pct Zinc Major 1981
    Silver Ag 0.29 g/mt Silver Major 1981

Comments on the reserve resource information

  • PROSPECTIVE RESERVES

Workings at the site

  • Type of workings Underground
    Length 44M

Comments on the workings information

  • TWO ADITS, 13 AND 31 M LONG, RESPECTIVELY.

Reference information

Bibliographic references

  • Deposit

    FONEM, 1981, INTERNAL REPORT N 191/81

  • Deposit

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

  • Other Database

    CIMRI

  • Reserve-Resource

    GUSTAVSON ASSOC. (1992)

General comments

Subject category Comment text
Deposit TWO PRINCIPAL VEINS PARALLEL TO BEDDING IN SANDSTONE. EMMA VEIN IS 50 M LONG AND 0.30 M WIDE. ALICIA VEIN IS 30 M LONG AND 0.07 M WIDE. ANOTHER SET OF VEINS THAT CUTS ACCROSS STRATIFICATION IS LESS STRONGLY MINERALIZED.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-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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