The Society is a conglomerate of diverse disciplines and personalities. These include Mining Engineers, Petroleum Engineers, Metallurgists, Geologists, Hydrogeologists, Geochemists and Geophysicists etc. The following categories of membership are recognized:
Fellows: Corporate Members of the society, who have distinguished themselves in the profession, and have contributed significantly towards the development of NMGS for a minimum period of ten years. Registration as at 2014 is N25,000
Corporate members: Persons, who have successfully completed a period of approved training in the professions and must have practiced for at least 3 years after such training. Registration as at 2014 is N10,000
Graduate members: Persons, who have successfully completed a period of training in the professions but have not practiced for at least 3 years. Registration as at 2014 is N5,000
Affiliate members: Persons who have engaged for at least six years in the professions or in scientific or technical works, but do not qualify for admission into corporate membership. Registration as at 2014 is N10,000
Student members: Bonafide students or full time undergraduates or diploma students in mining, petroleum technology, metallurgy, geology or other disciplines related to earth sciences. Registration as at 2014 is N1,000
Institutional members: Institutions, Corporations, companies or organizations associated with the profession. Registration as at 2014 is N100,000
Honourary fellows/members: Persons who in the opinion of the council, have distinguished themselves in the professions and or in their callings, and have contributed significantly to the progress of the society.