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  3. Mineral Resource Data System (MRDS)

Maria Teresa

Producer in Lima, Peru with commodities Barium-Barite, 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. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10110203
MRDS ID TC40310
Record type Site
Current site name Maria Teresa

Geographic coordinates

Geographic coordinates: -77.26169, -11.48511 (WGS84)
Location accuracy 5000(meters)
Relative position 6 KM WEST OF HUARAL.

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
Lead Primary
Zinc Critical Primary
Silver Secondary
Copper Secondary

Materials information

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

Mineral occurrence model information

Model code 184
USGS model code 28a
Deposit model name Massive sulfide, kuroko
Mark3 model number 93

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
    Rock unit name Casma Group
    Rock description Casma Group
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Casma Group
    Rock description Casma Group

Nearby scientific data

(1) -77.26169, -11.48511
ListMap

Economic information

Ore body information

  • Name BARITE LENSES
    General form LENSES, PODS
    Dip }
    Length 250M
  • Name MASSIVE SULFIDES
    General form LENSES, PODS
    Dip }

Comments on the geologic information

  • BASALTS OVERLIE MOST ROCKS.

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Significant No
Year of first production 1973

Reserves and resources

  • Type In-situ
    Estimate year 1987
    Total resources 35000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 2.2 wt-pct Lead Major 1987
    Zinc Zn 0.1 wt-pct Zinc Major 1987
    Silver Ag 210 g/mt Silver Minor 1987
    Copper Cu 0.03 wt-pct Copper Minor 1987

Comments on the reserve resource information

  • ORE "PRIMARY SULFIDE BODIES" ON THE ORDER OF 35,000 MT.

Comments on the workings information

  • 2 INCLINED ADITS, SURFACE TRENCHES, DIAMOND DRILL HOLES.

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

  • Reserve-Resource

    VIDAL, C. (1987).

General comments

Subject category Comment text
Deposit SULFIDES IN IRREGULARLY SHAPED, LOCALLY BRECCIATED BODIES OF SILICIFIED ROCK, UNDERLYING ALTERED TUFFS CONTAINING BARITE LENSES. CONTAINS STOCKWORKS OF QUARTZ-SERICITE AND SWARMS OF VEINLETS OF CHALCEDONY, SERICITE, PYRITE, JAROSITE, CHLORITE

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.

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