The Commission dates back to 1954 when Civil Service Commission was established by British Colonial Government following Holmes Commission Report, 1948; Civil Service Commission was advisory to the Governor in matters of appointments; At independence in 1963 it was enshrined in the constitution and renamed Public Service Commission; Independence Constitution had Regional PSC’s but abolished in 1964 following constitutional amendments; It is the oldest Constitutional Commission and its mandate has expanded over the years.

• Being the Chief advisor to the government on geological matters;
• Formulating, implementing and reviewing policies, strategies, guidelines, standards, frameworks and regulations pertaining to extractives, geo-physical survey, geological mapping, mineral exploration, seismological observations and related geo-scientific undertakings.
• Guiding geological mapping processes, mineral resources exploration research and mining, assessment and evaluation of geo-technical and environmental programmes;
• Overseeing maintenance of geoscientific database, designing projects standards, liaising with internal and external bodies/agencies in undertaking similar projects;
• Providing strategic oversight and policy direction in management and administration in geology and strategic mineral resource development;
• Defining and enforcing standards and specifications for technical geo-scientific programmes;
• Coordinating international and regional laws, agreements and memoranda of understanding in the Extractives sector;
• Co-ordinating the domestication and implementation of the Africa Mining Vision;