Palma Prospect

Past Producer in Lima, Peru with commodities Barium-Barite, Zinc, Lead, Silver, Copper
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. Ore body information
  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 10065212
MRDS ID TC40314
Record type Site
Current site name Palma Prospect

Geographic coordinates

Geographic coordinates: -76.58695, -12.07258 (WGS84)
Location accuracy 5000(meters)
Relative position 3 KM SOUTH OF LURIN VALLEY IN PALMA GORGE.

Site location context

Political divisions (FIPS codes)

Lima(province)

Peru(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Peru Lima

Commodities

Commodity Importance
Barium-Barite Critical Primary
Zinc Critical Primary
Lead Primary
Silver Secondary
Copper Secondary

Materials information

Materials Type of material
Barite Ore
Chalcopyrite Ore
Galena Ore
Pyrite Ore
Pyrrhotite Ore
Sphalerite Ore

Analytical data

Result PRELIMINARY ANALYSES: 13% ZN, 2.4% PB, 45 PPM AG

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Casma Group
    Rock description Casma Group
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic)
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)

Nearby scientific data

(1) -76.58695, -12.07258

Economic information

Ore body information

  • Name BARITE-MASSIVE SULFIDE BED
    Thickness 3M
    Length 100M

Economic information about the deposit and operations

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

Comments on the production information

  • ACTIVE DEVELOPED PRODUCER.

Comments on development

  • MINED INTERMITTENTLY SINCE SPANISH COLONIAL TIMES, 1967 FIRST MODERN PRODUCTION AT 70 TON/DAY BY 1988 PRODUCTION REACHED 1000 T/D.

Reference information

Bibliographic references

  • Deposit

    VIDAL, C., C.E., 1987, KUROKO-TYPE DEPOSITS IN THE MIDDLE CRETACEOUS MARGINAL BASIN OF CENTRAL PERU: ECONOMIC GEOLOGY, V. 82 NO. 6, P. 1409-1430

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit NW TRENDING OPEN FOLDS, ORE HORIZON IS IN AXIAL HINGE OF AN ANTICLINE, DEPOSIT IS ZONE FROM BARITE IN SOUTH TO MASSIVE SULFIDE IN NORTH; BLACK PYRITIC SHALES UNDERLIE ORE HORIZON IN VOLCANICLASTICS, LAVAS, AND BRECCIAS. WEST LIMB OF ANTICLINE CONTAINS BED OF MASSIVE PYRITE, PYRRHOTITE, SPHALERITE, CHALCOPYRITE OVERLAIN BY ARGILLACEOUS LIMESTONES.

Reporter information

Type Date Name Affiliation Comment
Reporter 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.