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Pena Amarilla Mine

Past Producer in Potosi, Bolivia with commodities Lead, Zinc, Silver
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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. Economic information about the deposit and operations
  12. Ownership information
  13. Reserves and resources
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10006402
MRDS ID BL20424
Record type Site
Current site name Pena Amarilla Mine

Geographic coordinates

Geographic coordinates: -65.47249, -21.68949 (WGS84)
Elevation 3250
Relative position 16.5 KM S45E OF NAZARENO

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

Materials information

Materials Type of material
Sphalerite Ore
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) -65.47249, -21.68949
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description On E Flank Of N-S Anticline Cut By Nw-Trending Reverse Faults

Ore body information

  • Strike N 75 W; N 15-20 W
    Dip 50-80 SW; 75-85 NE
  • Strike N 75 W; N 15-20 W
    Dip 50-80 SW; 75-85 NE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1850

Ownership information

  • Type Owner
    Owner Juliana Tejerina

Reserves and resources

  • Type In-situ
    Estimate year 1982
    Total resources 4310000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 4.31 wt-pct Lead Major 1982
    Zinc Zn 5.63 wt-pct Zinc Major 1982
    Silver Ag 27 g/mt Silver Major 1982
  • Type In-situ
    Estimate year 1982
    Total resources 5711000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 3.4 wt-pct Lead Major 1982
    Zinc Zn 7.04 wt-pct Zinc Major 1982
    Silver Ag 28 g/mt Silver Major 1982
  • Type In-situ
    Estimate year 1982
    Total resources 18385000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 4.23 wt-pct Lead Major 1982
    Zinc Zn 5.75 wt-pct Zinc Major 1982
    Silver Ag 27 g/mt Silver Major 1982

Comments on the reserve resource information

  • (1) PROBABLE; (2) POSSIBLE; (3) PROSPECTIVE

Workings at the site

  • Type of workings Unknown
    Length 145M

Comments on the workings information

  • 39 M CROSSCUTS, 106 M DRIFTS

Comments on development

  • ECON.COM: HAND SORTING AND CRUDE GRAVITY CONCENTRATION

Reference information

Bibliographic references

  • Deposit

    FONEM, 1992, INFORME

  • Deposit

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

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit TWO VEIN SYSTEMS (N75W; N15-20W) IN SUBVERTICAL REVERSE FAULTS. TRANSVERSE FAULTS ARE SPARSELY MINERALIZAD.
Deposit Discovery Year: 1800'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-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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