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  3. Mineral Resource Data System (MRDS)

Okorusu

Plant in Namibia with commodity Fluorine-Fluorite
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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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mineral rights holdings
  11. Ownership information
  12. Production statistics
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10207421
MAS/MILS ID 7920000044
Record type Site
Current site name Okorusu

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 16.66819, -19.997 (WGS84)
Elevation 1725
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Namibia(country)

Africa(continent)

Land(continent)

Geographic areas

Country
Namibia

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary

Materials information

Materials Type of material
Apatite Unknown
Fluorite Unknown

Nearby scientific data

Ore Body (1) 16.66819, -19.997
ListMap

Economic information

Ore body information

  • Thickness 25M
    Length 300M
    Width 80M
    Depth to top 40M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 LENTICULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control LITHOLOGY
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 CARBONATE SILIC
    Minimum Depth to Top 0
    Date of Last Modification 850820

Economic information about the deposit and operations

Operation type Surface
Development status Plant
Commodity type Non-metallic
Significant Yes
Mining method Open Pit
Plant type Beneficiation (Mill)
Plant subcategory Flotation
Milling method Flotation

Mineral rights holdings

Type of mineral rights Unknown

Ownership information

  • Type Owner
    Owner Iscor Ltd.
    Interest 50
    Home office S W Africa(Namibia)
    Year 1983
  • Type Owner
    Owner South African Manganese Corp.(Samancor)
    Interest 50
    Home office S W Africa(Namibia)
    Year 1983

Production statistics

  • Year 1988
    Description Mill Output 4000 Tonnes Acidspar
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Fluorine-Fluorite Fluorine 4000mt
  • Year 1989
    Description Mill Output 25679 Tonnes Acidspar
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Fluorine-Fluorite Fluorine 25679mt
  • Year 1990
    Description Mill Output 27107 Tonnes Acidspar
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Fluorine-Fluorite Fluorine 27107mt

Comments on the reserve resource information

  • ORE RESERVES AS REPORTED BY DAMES & MOORE AND SUPPLIED BY PROPERTY OWNERS.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 11
    Avg. Bench Height (meters) 3.5
    Capacity 3000
    Capacity Units MT ORE/DAY
    Unit Production Cost 5.67
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 2
    Year of Information 1983

Comments on other economic factors

  • MILL HAS CAPACITY OF PRODUCING 50,000 TPA ACIDSPAR.
  • ORE IS EXTRACTED FROM THE OPEN PIT AT AN AVERAGE RATE OF 10,000 TPM, AND HAS A HEAD GRADE OF 55-65% CAF2. THERE WAS SOME PROBLEMS WITH PHOSPHORUS LEVELS, BUT WITH SOME RE- ENGINEERING THIS WAS CONTROLLED.

Reference information

Bibliographic references

  • Production

    INDUSTRIAL MINERALS. APRIL 1993. NO. 307. P. 44.

General comments

Subject category Comment text
Deposit DATA CONTAINED IN THIS FILE WAS COLLECTED BY DAMES & MOORE UNDER U.S. BUREAU OF MINES CONTRACT #JO225010 IN 1983.

Reporter information

Type Date Name Affiliation Comment
Reporter 09-SEP-94 Kilgore, Catherine C. 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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