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Milluri Prospect

Occurrence in Potosi, Bolivia with commodities Lead, Silver, Antimony, Tin, 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. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10006594
MRDS ID BL30160
Record type Site
Current site name Milluri Prospect

Geographic coordinates

Geographic coordinates: -66.41613, -19.5976 (WGS84)
Elevation 4500
Relative position 38 KM N75E OF RIO MULATOS

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
Silver Primary
Antimony Critical Secondary
Tin Critical Secondary
Copper Secondary

Materials information

Materials Type of material
Cassiterite Ore
Stibnite Ore
Tetrahedrite Ore
Pyrite Gangue
Quartz Gangue
Tourmaline Gangue

Alteration

  • (Local) Triangular Zone Of Argillic Alteration In Pyroclastic Rocks Of The Los Frailes Massif With An Area Of 3 Square Kilometers. Thin Sections Studies Indicate That The Alteration Is Phyllitic With Sericitization Of The Feldspars And Development Of Pyrite, With Tourmallization And Small Amounts Of Needle Tin And Minor Rutile.

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Los Frailes
    Rock description Los Frailes
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene

Nearby scientific data

(1) -66.41613, -19.5976
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on the production information

  • INACTIVE PROSPECT

Reference information

Bibliographic references

  • Deposit

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

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit A DISTINCTIVE FEATURE IS THE PRESENCE OF VEINS OF CRYSTALLINE QUARTZ AND LENSES OF CHALCEDONY. THIS, PLUS THE PRESENCE OF TOURMALINE AND CASSITERITE PROBABLY INDICATES A DEEP EROSIONAL LEVEL. THE ANOMALY IS PROBABLY RELATED TO A BURIED INTRUSION.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1994 Blacutt, William U.S. Geological Survey

Beyond USGS

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

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