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

Liruie Lode

Prospect in Nigeria with commodities Tin, 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. Ownership information
  9. Workings at the site
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

Geologic information

Identification information

Deposit ID 10183897
MAS/MILS ID 7530150014
Record type Site
Current site name Liruie Lode
Alternate or previous names Ririwai Lode, Liruei Lode

Geographic coordinates

Geographic coordinates: 8.77646, 10.75075 (WGS84)

Site location context

Political divisions (FIPS codes)

Nigeria(country)

Africa(continent)

Land(continent)

Geographic areas

Country
Nigeria

Comments on the location information

  • MINE IS LOCATED ON THE NEW JOS TO KANO ROAD.

Commodities

Commodity Importance
Tin Critical Primary
Zinc Critical Primary

Nearby scientific data

(1) 8.77646, 10.75075
ListMap

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Metallic
Significant No

Ownership information

  • Type Owner
    Owner Gold And Base Metal Mines Of Nigeria, Ltd.
    Interest 20
    Home office Nigeria
    Year 1976
  • Type Owner
    Owner Nigerian Mining Corp.
    Interest 51
    Home office Nigeria
    Year 1976
  • Type Operator
    Owner Ririwar Mines Ltd.
    Home office Nigeria
    Year 1976

Comments on the reserve resource information

  • IN 1972, INDICATED RESERVE WAS 2,000,000 LT (2,031,800 MT)- NO GRADE GIVEN. IN 1973 & 1974- 5 EXPLORATION SHAFTS SUNK ALONG 1,390 M STRIKE OF VEIN (DEEPEST SHAFT PROVED PERSISTENCE OF VEIN WIDTH& GRADE TO DEPTH OF 150 M BELOW SURFACE)-DIAMOND DRILLING ALSO INTERSECTED LODE AT 305 M BELOW SURFACE WITH SAME WIDTH AND GRADE AS AT SURFACE). ASSUMED THAT THERE IS AT LEAST A 10 YEAR SUPPLY OF ORE.

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Capacity 816
    Capacity Units MT ORE/DAY
    Operating Days per Year 312
    Operating Shifts per Day 2
    Year of Information 1979

Reference information

Bibliographic references

  • Reserve-Resource

    HARRIS,K.L.THE MINERAL INDUSTRY OF NIGERIA. CH. IN MINERALS

  • Reserve-Resource

    YEARBOOK,V. III,BU MINES,1972,P.613.

  • Deposit

    MINING MAGAZINE.MINING ANNUAL REVIEW,JUNE 1975,P.144.

  • Deposit

    WORLD MINING.JUNE 1976,P.65.

  • Deposit

    WORLD MINING.APRIL 1974.

  • Deposit

    JOLLY,J.L.W.AREA SPECIALIST, INTERNATIONAL DATA &ANALYSIS,

  • Deposit

    USBM, TRIP REPORT: MALI, NIGER, NIGERIA, KENYA AND

  • Deposit

    ZAMBIA;DEC.1,1977.

  • Deposit

    WORLD MINING.WHEAL JANE.NOV.1971.PP.62-65.

  • Deposit

    WORLD MINING.TIN MINING TODAY.FEB. 1977.PP.42-45.

General comments

Subject category Comment text
Deposit AVG. WIDTH OVER ALL EXPOSURES IS 2.1-2.4 M & AVG.GRADE IS 0.8% SN & 3.42% ZN OVER A MINING WIDTH OF 1.5 M.

Reporter information

Type Date Name Affiliation Comment
Reporter 21-OCT-1983 Boyle, Ed 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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