State/Location:
Ebonyi: Afikpo North, Abakaliki, Ohaozara, Ezza North,
            Ezza South.
Abia: Ohafia.
Imo: Okigwe.
Nassarawa: Toto.
Kogi: Osara, Ekinrin-Adde, Itobe.
Niger: Kwakuti
Oyo: Igbetti, Alaguntan
Kwara: Osara, Elebu, Burum.
Edo: Akoko-Edo, Owan East, Etsako East, Etsako Central, Etsako West.

Estimated Reserve (Metric Tonnes):
Ebonyi: 20million
Abia: Not available
Imo: Not available
Nassarawa: Not available
Kogi: Not available
Niger: 2.5million 
Oyo: Large
Kwara: 5 million tonnes, 2.6 million
Edo: Not available

Industrial Uses: Used in paint, rubber / tyre, and chemical industries

Process Technology/Equipment:
Crushers, mixers,  Kilns, packaging machine.

Investment Information Status and Prospects:
Ebonyi: About 10 private companies are engaged in quarrying mainly at
            Ezza North and South.
Abia: Need for more investigation
Imo: Further investigation required.
Nassarawa: To be fully investigated.
Kogi: To be investigated
Niger: Commercial exploitation in progress. 
Oyo: Commercial exploitation in progress.
Kwara: To be investigated
Edo: To be investigated

R&D Activities: Not available