To be the premier national geoscience agency that generates and disseminates geoscientific information and regulates mining and processing of Sri Lanka’s mineral resources in the most sustainable manner.
The mission of the GSMB is to provide geoscientific information, advice and services to the policy makers and the community and to promote and manage the mineral resources of the country for economic development while ensuring environmental sustainability. It regulates exploration, extraction, value addition, transportation and trading of minerals.
The functions of the GSMB are:
to undertake systematic geological mapping of Sri Lanka and preparation of geological maps
to identify and assess the mineral resources of Sri Lanka
to evaluate the commercial viability of mining for processing and export of such minerals
to regulate exploration and mining for minerals and processing, trading and export of such minerals by issuing licenses
to undertake geological investigations, seismic activity monitoring, geological research and provide geological consultancy services
to advise the Minister on measures to be adopted for the promotion of the extraction and production of minerals on a commercial basis