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Palca Once Veins: Palca Oeste, Palca Este, Evita and Puncapolla

Producer in Puno, Peru with commodities Tungsten, Tin, Copper, Lead, Zinc
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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. Mining district
  14. Ownership information
  15. Production statistics
  16. Reserves and resources
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10106701
MRDS ID DE00353
Record type Site
Current site name Palca Once Veins: Palca Oeste, Palca Este, Evita and Puncapolla
Alternate or previous names Palca Xi, Minera Regina, Palca 11
Related records 10182516

Geographic coordinates

Geographic coordinates: -69.67844, -14.70832 (WGS84)
Elevation 4600
Location accuracy 2000(meters)
Relative position 140 KM N.E. OF JULIACA BY ROAD.

Site location context

Political divisions (FIPS codes)

Puno(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Puno
Peru Puno

Comments on the location information

  • IN PRECORDILLERA DE CARABAYA.

Commodities

Commodity Importance
Tungsten Critical Primary
Tin Critical Secondary
Copper Secondary
Lead Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Ferberite Ore
Galena Ore
Pyrite Ore
Scheelite Ore
Sphalerite Ore
Biotite Gangue
Hematite Gangue
Kaolinite Gangue
Quartz Gangue

Alteration

  • (Local) Chloritic, Biotitic, Sericitic, Argillic.

Analytical data

Result SN CONTENT RARELY EXCEEDS 0.4%.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Ambo Group
    Rock description Ambo Group
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Mississippian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -69.67844, -14.70832
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Veins Are Associted With Small Rhyolitic Stocks Of Miocene Age Related To Post-Caldera Faults.
Type of structure Local
Structure description Superimposed Upon Overturned Anticline Of Wsw Verging Folds And Thrusts.

Ore body information

  • Strike NNW
    Dip 45NE
    Thickness 4M
    Length 500M
    Width 125M

Comments on the geologic information

  • MAJOR POST-ORE GEOLOGIC EVENT: FAULTING. PRINCIPAL MINERAL ASSEMBLAGES: QRTZ + FRBR + SCLT; KOLN + SLPD. SCHEELITE NOT RECOVERABLE. VEINS ARE SEVERAL KILOMETERS LONG AND AVERAGE 7 M IN WIDTH. VEINS IN DISTRICT ARE ZONED LATERALLY FROM PERIPHERAL PB-AG-ZN, THROUGH CU-ZN-W-SN, TO W-RIGH CORES (KONTAK AND CLARK, 1985).

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Year of first production 1979
Year of last production 1985

Mining district

District name Puno, Choquene District

Ownership information

  • Type Operator
    Owner Empresa Minera Regina S.A.; Sociedad Anonima Minera Regina )
    First year 1987
  • Type Owner
    Owner Empresa Minera Regina S.A.

Production statistics

  • Year 1983
    Period 1979-1983
    Material CON W
    Accuracy Accurate
    Description Cp_Grade: ^100% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Conc. Tungsten Tungsten 100wt-pct
  • Year 1987
    Period 1978-1987
    Material CON
    Accuracy Estimate
    Description Cp_Grade: ^Scheelite (74% Wo3).
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Conc. Tungsten Tungsten 74wt-pct
  • Year 1987
    Period 1978-1987
    Material CON
    Accuracy Estimate
    Description Cp_Grade: ^Ferberite (68% Wo3)
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Conc. Tungsten Tungsten 68wt-pct

Reserves and resources

  • Type In-situ
    Estimate year 1985
    Total resources 898900000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tungsten Wo3 1.67 wt-pct Tungsten Major 1985

Comments on the reserve resource information

  • ITEM 1: VETA "LA PALCA"; ITEM 2: EVITA; ITEM 3: PUNCAPOLLA
  • ITEM 1: VETA LA PALCA; ITEM 2: EVITA; ITEM 3: PUNCOPOLLA

Comments on development

  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS: PROCESSING, LOW RECOVERY (ABOUT 40%). ACTIVE DEVELOPMENT IN MINE: HYDROELECTRIC PLANT BEING ESTABLISHED. TYPE OF DEVELOPMENT: IN 1985, TREATMENT PLANT WAS BEING EXPANDED TO 350 TPD. AND EVENTUALLY TO 750 TPD. ASSESSMENT: AIM IS TO INCREASE RECOVERY TO 70%.

Reference information

Bibliographic references

  • Deposit

    HYDE, D.M., 1983, THE MINERAL INDUSTRY OF PERU, U.S. BUREAU OF MINES, MINERALS YEARBOOK, 1983, VOL. III, AREA REPORTS: INTERNATIONAL, P. 591-606.

  • Deposit

    WILLIG, C.D., AND DELGADO, J., 1985, SOUTH AMERICA AS A SOURCE OF TUNGSTEN, PAPER PRESENTED AT THE THIRD INTERNATIONAL TUNGSTEN SYMPOSIUM, MADRID, SPAIN, 36 P.

  • Deposit

    KONTAK, D.J., AND CLARK, A.H., 1985, EXPLORATION CRITERIA FOR SN AND W MINERALIZATION IN THE CORDILLERA ORIENTAL OF S.E. PERU IN R.P. TAYLOR AND D.F. STRONG (EDS.), GRANITE-RELATED MINERAL DEPOSITS: GEOLOGY PETROGENESIS AND TECTONIC SETTING, CIM GEOLOGY DIVISION, PROGRAM OF EXTENDED ABSTRACTS, P. 173-178.

  • Deposit

    WILLIG, C.D. AND DELGADO, J., 1985, SOUTH AMERICA AS A SOURCE OF TUNGSTEN IN MPR PUBLISHING LTD. (ED.), TUNGSTEN; 1985, PROCEEDINGS OF THE THIRD INTERNATIONAL TUNGSTEN SYMPOSIUM, MADRID, MAY 1985, P. 58-85.

  • Deposit

    ANUARIO MINERO - COMMERCIAL, LA MINERIA EN EL PERU 1985/86, VOL. 22, LIMA EDITORES TECNICOS ASSOCIADOS S.A.

  • Deposit

    FARRAR, E., YAMAMURA, B.K., AND CLARK, A.H., 1990, 40 AR/39AR AGES OF MAGMATISM AND TUNGSTEN - POLYMETALLIC MINERALIZATION, PALCA 11, CHOQUENE DISTRICT, SOUTHEASTERN PERU: ECONOMIC GEOLOGY, V. 85, P. 1669-1676.

  • Production

    U.S.B.M. MINERALS YEARBOOK 1984, "PERU". FARRAR AND OTHERS (1990).

General comments

Subject category Comment text
Deposit 4 SUBPARALLEL VEINS COMPRISE A COMPLEX SERIES OF CYMOID LOOPS, W-RICH ZONE GETS AS THICK AS 15 M.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1985 Werner, Antony Energy Mines and Resources of Canada
Updater 01-NOV-1993 Page, Norman J. U.S. Geological Survey

Beyond USGS

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

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