TThe Bureau with its wide-ranging demonstrated expertise acquired over twelve decades, functions as the primary source of fact- based information, and, is able to provide geoscientific advice and professional services on either voluntary or commissioned basis to the government, industry, academia and the general public.

Broadly, its operations comprise, geological mapping, multi-technique integrated mineral exploration, regulation of mining activities by the issue of licences, titling of exploration and mining leases (mineral titling) and client responsive activities (mineral resource surveys, geophysical and drilling contracts), laboratory services and dissemination of geoscience information as well as access to published and unpublished reports, maps and other archives in its Library.