The functions of the Board are provided under the Section 4(1) of the Act, which includes the following:

1. to perform the duties and functions and exercise the powers as may be provided in the Act;
2. with the approval of the Minister, to determine the scale of fees to be charged by registered professional geologists, registered foreign geologists and registered practitioners for geological services rendered;
3. to determine and regulate the professional conduct and ethics of the geological profession;
4. to hear and determine disputes relating to the professional conduct or ethics of registered geologists and registered practitioners or to establish a committee or to appoint an arbitrator to hear and determine such disputes;
5. to represent the geological profession in any matter in which it may be necessary or expedient to do so;
6. to examine and, if considered necessary, to report on any local matters submitted to it and to make recommendations to the Government or to any public authority, local authority or statutory authority or to any institute, body or society which in the opinion of the Board represents the geological profession;
7. to consider and recommend reforms to the law relating to geological surveying;
8. to conduct examinations for admission to the geological profession;
9. to appoint persons to represent the geological profession on anybody or panel of examiners that may be appointed by any institute, body or society which in the opinion of the Board represents the geological profession;
10. to make recommendations in relation to any examinations to qualify for admission to the geological profession;
11. to hold or cause to be held professional development programmes for registered geologists and registered practitioners to further enhance their knowledge in the latest developments relating to the geological profession;
12. to provide scholarships and other facilities for the promotion of learning and education in connection with geology; and
13. to do such other things as it considers fit to enable it to perform its functions effectively or that are incidental to the performance of its functions.