1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Olmedo

Producer in Sardegna, Italy with commodity Aluminum
Map
XML
JSON
KML
D
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Ownership information
  9. Production statistics
  10. Reserves and resources
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10135676
MAS/MILS ID 4750310004
Record type Site
Current site name Olmedo

Geographic coordinates

Point of reference Town
Geographic coordinates: 8.40189, 40.649 (WGS84)
Location accuracy 5000(meters)

Site location context

Political divisions (FIPS codes)

Sardegna(province)

Italy(country)

Europe(continent)

Land(continent)

Geographic areas

Country State
Italy Sardegna

Commodities

Commodity Importance
Aluminum Critical Primary

Nearby scientific data

Town (1) 8.40189, 40.649
ListMap

Economic information

Comments on the geologic information

  • ORE MINERAL IS BOEHMITE.

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant Yes
Discovery year 1955
Year of first production 1993

Ownership information

  • Type Owner-Operator
    Owner Sardabauxiti Spa
    Interest 100
    Home office Italy
    Year 1991

Production statistics

  • Year 1993
    Accuracy Estimate
    Description Bauxite Production 350000 Mt/Yr For 14 Years Est.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Aluminum Aluminum 3500000mt

Reserves and resources

  • Type In-situ
    Estimate year 1991
    Indicated 3700000mt ore
    Demonstrated 3700000mt ore
    Inferred 25000000mt ore
    Total resources 28700000mt ore
    Commodity Subtype Grade units Group Importance Year
    Aluminum Al2O3 64 wt-pct Aluminum Major 1991

Comments on the reserve resource information

  • ECONOMIC ORE ZONE IS 2.7M THICK, WITH RESERVES OF 3.7MILLION MT. GRADE IS 64% AL2O3, 7% SIO2, AND 10% FE2O3.
  • UNDERGROUND MINE BEING DEVELOPED.

Comments on other economic factors

  • EQUIPMENT SUPPLIED BY STEPHANOISE DOUAISIS SABES OF FRANCE.
  • PILLAR AND STALL TECHNIQUES TO BE USED, USING 3 INCLINED, PARALLEL DRIFTS AND A SERIES OF CROSSCUTS. STOPES 13M WIDE WILL BE CUT; ORE RECOVERY EXPECTED TO BE 75%. PROJECTED OUTPU AT 350000 TPA. A 3M WIDE VENTILATION SHAFT WILL BE USED, FRESH AIR TO BE DRAWN DOWN HOISTING INCLINE.

Reference information

Bibliographic references

  • Production

    PROPERTY REPORT FROM SITE VISIT.

  • Reserve-Resource

    INDUSTRIAL MINERALS. SEPT. 1991.

Reporter information

Type Date Name Affiliation Comment
Reporter 23-SEP-96 Wilburn, David R. U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site