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Aljustrel Pyrite, Cu, Zn, Pb Mines

Producer in Portugal with commodities Zinc, Copper, Lead, Sulfur
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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. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Production statistics
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10073110
MRDS ID W018939
Record type Site
Current site name Aljustrel Pyrite, Cu, Zn, Pb Mines

Geographic coordinates

Geographic coordinates: -8.24821, 37.89935 (WGS84)
Elevation 40
Relative position NEAR ALJUSTREL, SOUTHERN PORTUGAL

Site location context

Political divisions (FIPS codes)

Portugal(country)

Europe(continent)

Land(continent)

Geographic areas

Country
Portugal

Commodities

Commodity Importance
Zinc Critical Primary
Copper Primary
Lead Primary
Sulfur Primary

Materials information

Materials Type of material
Chert Gangue
Jasper Gangue

Analytical data

Result ORE GRADES 4.0% ZN, 1.0% CU, 1.8% PB, 46%

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Stratigraphic age (youngest) Late Devonian
    Stratigraphic age (youngest) Late Devonian
    Stratigraphic age (youngest) Late Devonian
  • Host or associated Host
    Rock type Metamorphic Rock > Phyllite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Paraiso Siliceous Formation-Slates, Phylites
    Rock description Paraiso Siliceous Formation-Slates, Phylites

Nearby scientific data

(1) -8.24821, 37.89935
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Aljustrel Anticlinorium, Aljustrel Thrust, Big Vina Thrust

Comments on the geologic information

  • AGE OF BOTH UNITS IS TOURNASIAN TO DEVONIAN

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Deposit size Large
Significant No
Year of first production 1864

Mining district

District name Aljustrel District

Ownership information

  • Type Owner-Operator
    Owner Pirites Alentejanas, Sarl

Production statistics

  • Year 1974
    Material ORE
    Accuracy Accurate
    Description Ap_Grade: ^4. % Zn, 1. % Cu, 1.8 % Pb, 46. % S
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Sulfur Sulfur 46wt-pct
    Major Ore Lead Lead 2wt-pct
    Ore Copper Copper 1wt-pct
    Major Ore Zinc Zinc 4wt-pct

Comments on the production information

  • PLAN 2 MILLION MTPY CAPACITY BY 1982

Reserves and resources

  • Type In-situ
    Estimate year 1975
    Total resources 32000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 4 wt-pct Zinc Major 1975
    Copper Cu 1 wt-pct Copper Major 1975
    Lead Pb 1.8 wt-pct Lead Major 1975
    Sulfur S 46 wt-pct Sulfur Major 1975
  • Type In-situ
    Estimate year 1975
    Total resources 81000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 4 wt-pct Zinc Major 1975
    Copper Cu 1 wt-pct Copper Major 1975
    Lead Pb 1.8 wt-pct Lead Major 1975
    Sulfur S 46 wt-pct Sulfur Major 1975
  • Type In-situ
    Estimate year 1975
    Total resources 41000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 4 wt-pct Zinc Major 1975
    Copper Cu 1 wt-pct Copper Major 1975
    Lead Pb 1.8 wt-pct Lead Major 1975
    Sulfur S 46 wt-pct Sulfur Major 1975
  • Type In-situ
    Estimate year 1975
    Total resources 32000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 4 wt-pct Zinc Major 1975
    Copper Cu 1 wt-pct Copper Major 1975
    Lead Pb 1.8 wt-pct Lead Major 1975
    Sulfur S 46 wt-pct Sulfur Major 1975
  • Type In-situ
    Estimate year 1975
    Total resources 81000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 4 wt-pct Zinc Major 1975
    Copper Cu 1 wt-pct Copper Major 1975
    Lead Pb 1.8 wt-pct Lead Major 1975
    Sulfur S 46 wt-pct Sulfur Major 1975
  • Type In-situ
    Estimate year 1975
    Total resources 41000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 4 wt-pct Zinc Major 1975
    Copper Cu 1 wt-pct Copper Major 1975
    Lead Pb 1.8 wt-pct Lead Major 1975
    Sulfur S 41 wt-pct Sulfur Major 1975

Comments on the reserve resource information

  • ITEM 1 - PROVEN. ITEM 2 - PROBABLE. ITEM 3 - POSSIBLE
  • ITEM 1 - PROVEN. ITEM 2 - POROBABLE. ITEM 3 - POSSIBLE

Comments on development

  • MILL.CAP: 547 MET TONS ; ECON.YEAR: 1976 ; ECON.COM: 1500 MTPD MILL

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1976 Schruben, Paul G. U.S. Geological Survey

Beyond USGS

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

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