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  3. Mineral Resource Data System (MRDS)

Sidi Lachen

Producer in Morocco with commodities Lead, Silver, Zinc
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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. Mineral rights holdings
  9. Ownership information
  10. Reserves and resources
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10134599
MAS/MILS ID 7140270003
Record type Site
Current site name Sidi Lachen
Alternate or previous names Sidi Lahcen

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -6.2044, 33.42728 (WGS84)
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Morocco(country)

Africa(continent)

Land(continent)

Geographic areas

Country
Morocco

Commodities

Commodity Importance
Lead Primary
Silver Secondary
Zinc Critical Primary

Nearby scientific data

Ore Body (1) -6.2044, 33.42728
ListMap

Economic information

Comments on the geologic information

  • NO MINERALOGY INFORMATION AVAILABLE.

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant Yes
Mining method Open Stope - Overhand
Milling method Flotation

Mineral rights holdings

Type of mineral rights Unknown

Ownership information

  • Type Owner
    Owner Bureau De Recherches Et De Participations Minieres (BRPM)
    Interest 60
    Year 1983
  • Type Owner
    Owner Arab Mining Co. (Armico)
    Interest 40
    Year 1983

Comments on the production information

  • PRODUCT C REFLECTS SILVER RECOVERY IN BOTH CONCENTRATES; MOST CONTAINED SILVER IS IN THE LEAD CONCENTRATE.

Reserves and resources

  • Type In-situ
    Estimate year 1983
    Indicated 1000000mt ore
    Demonstrated 1000000mt ore
    Total resources 1000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 6 wt-pct Lead Major 1983
    Zinc Zn 0.8 wt-pct Zinc Major 1983
    Silver Ag 120 g/mt Silver Minor 1983

Comments on the reserve resource information

  • CLOSED 6/87 MID-YEAR. ILSG 87 REPORT. DATA NOT RECENT.
  • DATA FROM OLD ETD

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OVERHAND 10-38
    Percent Recovery 90
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    1st Condition of Workings OPEN
    Capacity 215
    Capacity Units MT ORE/DAY
    Operating Days per Year 280
    Year of Information 1989

Comments on the workings information

  • NO ENVIRONMENTAL INFORMATION AVAILABLE.

Reference information

Bibliographic references

  • Reserve-Resource

    WORLD MINING, FEB., 1983, P. 57.

  • Deposit

    MINING MAGAZINE, SEPT., 1982, P. 175.

  • Deposit

    WORLD MINING, APRIL, 1981, P. 74.

  • Deposit

    MINING MAGAZINE, MAY, 1981, P. 407.

Reporter information

Type Date Name Affiliation Comment
Reporter 14-OCT-1992 Difrancesco, Carl A. U.S. Bureau of Mines

Beyond USGS

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

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