Limestone Deposits In Nigeria, Its Uses, And Locations. Limestone deposit in Nigeria is majorly deposited in Cross River and Ebonyi states but can still be found in commercial deposit in Abia, Akwa Ibom, Anambra, Bauchi, Bayelsa, Benue, Borno, Edo, Enugu, Imo, Ogun, Ondo and Sokoto, making Nigeria the most richly deposited West African country when it comes to Limestone.