(a) (b) Problems Associated with the exploration of minerals in Nigeria.
— Inadequate skilled labour
— Difficult terrain
— Poor transportation network
— Neglect of other sectors of the economy
— Inadequate capital
— Depletion of reserves
— Shortage of spare parts
— Mining hazards
— Fluctuations in world market prices
— Environmental deterioration
— Loss of farmlands
— Outdated topographical maps
— Conflict between local people and mineral exploiters
— Poor management
— Smuggling / bunkering / sabotage.
(c)Contribution of minerals to economic development of Nigeria.
(1) Foreign exchange earning.
(2) Provision of employment.
(3) Infrastructural development.
(4) Raw materials for industries.
(5) Revenue to government.
(6) Acquisition of skills.
(7) Transfer of technology.
(8) Growth of towns.
(9) Training and re-training of personnel.
(10) Production of geological maps.
(11) Growth of ancillary industries.
(12) Income to miners.
(13) Improved standard of living.
(14) Provision of essential goods.
(15) Improvement of balance of payment.