State/Location:
Benue: Gboko, Guma, Gwer, Ushongo, Makurdi, Konshisha     
Plateau: Shendam, Langtang South
Nassarawa: Azara, Akiri
Gombe: Shongom
Bauchi: Bauchi, T/Balewa
Taraba: Karim-Lamido, Ibi
Cross River: Ugep, Agoibami Yala (Alifokpa)

Estimated Reserve ( Metric Tonnes):
Benue: Possible reserve estimate is up to 900,000
Nassarawa: 750,000 

Industrial Uses:
In lithophone paint, drilling mud, rubber, paper and chemical industries

Process Technology/Equipment:
Crusher, hammer mill, dryer, vats, cyclones

Investment Information Status and Prospects:
Nassarawa: Being exploited

R&D Activities: Not available