Montevecchio

Producer in Sardegna, Italy with commodities Lead, Silver, Zinc
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mineral rights holdings
  11. Ownership information
  12. Reserves and resources
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10279680
MAS/MILS ID 4750310001
Record type Site
Current site name Montevecchio
Alternate or previous names Montevecchio Mine

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 8.53516, 39.59903 (WGS84)
Elevation 250
Location accuracy 1000(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
Lead Primary
Silver Secondary
Zinc Critical Primary

Materials information

Materials Type of material
Barite Unknown
Galena Unknown
Marcasite Unknown
Quartz Unknown
Siderite Unknown
Sphalerite Unknown

Nearby scientific data

Ore Body (1) 8.53516, 39.59903

Economic information

Ore body information

  • Thickness 25M
    Length 7000M
    Depth to top 500M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 OTHER
    Primary mode of Origin OTHER
    Primary Ore Control FAULTING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 OTHER
    Date of Last Modification 830720

Comments on the geologic information

  • MESOTHERMAL FISSURE VEIN TYPE DEPOSIT. TYPE OF WALLROCK ALTERNATION: OXIDATION. STRIKE: NE-SW DIP: 90

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant Yes
Mining method Filled Stopes - Horiz Cut and Fill W/Tailings
Milling method Flotation

Mineral rights holdings

Type of mineral rights Unknown

Ownership information

  • Type Owner
    Owner Societa Azionaria Minero-Metallurgica S. P. A. (Samim)
    Interest 100
    Home office Italy
    Year 1990

Comments on the production information

  • THE ORIGINAL MONTEVECCHIO DEPOSIT WAS DISCOVERED IN PRE-ROMAN TIMES. THE MINE WAS DEVELOPED IN THE LATE 19TH CENTURY AND BECAME EXHAUSTED RECENTLY. ANOTHER DEPOSIT NEARBY IS CURRENTLY UNDER INVESTIGATION.
  • PRODUCT C REFLECTS TOTAL RECOVERED SILVER IN BOTH CONCENTRATES; MOST CONTAINED SILVER IS IN THE LEAD CONCENTRATE.

Reserves and resources

  • Type In-situ
    Estimate year 1991
    Measured 1500000mt ore
    Indicated 3150000mt ore
    Demonstrated 4650000mt ore
    Inferred 21000mt ore
    Total resources 4671000mt ore
    Commodity Subtype Grade units Group Importance Year
    Zinc Zn 4.08 wt-pct Zinc Major 1991
    Lead Pb 1.81 wt-pct Lead Major 1991

Comments on the reserve resource information

  • NO RECENT DATA.

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method HORIZ CUT & FILL W/WASTE ROCK 10-60
    Percent Recovery 75
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    1st Condition of Workings UNKNOWN
    Capacity 480
    Capacity Units MT ORE/DAY
    Operating Days per Year 300
    Year of Information 1989

Reference information

Bibliographic references

  • Reserve-Resource

    E&MJ INTERNATIONAL DIRECTORY OF MINING, 1991

  • Deposit

    MINING MAGAZINE, SEPT 1976, TABLE B-1126 MINES ACCOUNTING FO

  • Deposit

    F ALL OUTPUT OTHER THAN COAL

  • Deposit

    WORLD MINING, OCTOBER 1965, PP. 38-41.

Reporter information

Type Date Name Affiliation Comment
Reporter 10-MAR-1997 Difrancesco, Carl A. U.S. Bureau of Mines

Beyond USGS

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