Formulates, develops and coordinates the adoption/implementation of regional geological mapping programs, field surveys and geological laboratory analytical techniques.
Conducts geological researches and assessments in specialized geoscientific disciplines including structural geology and tectonics, stratigraphy, engineering geology, hydrogeology, environmental geology, geohazards, mineral deposits and ore genesis, geochemical and geophysical mineral exploration and geological laboratory analysis
Conducts geological field surveys for purposes of mineral resource and groundwater potential assessment and exploration, landfill and other waste disposal site evaluation, and geohazard assessment of settlements, industrial zones and infrastructures.
Provides technical support services to government agencies, mining contractors/permittees, and the general public.

QUADRANGLE MAPPING / MINERAL EXPLORATION SECTION

Conducts the  basic geological mapping program and updating of geological maps in 1:50,000 map scales.
Provides  geological  maps,informaition and datato various stakeholders.
Carries out the stratigraphic studies of various area in the region and ensures the adherence of the region to international stratigraphic protocols.
Undertakes the geological exploration,  assessment, characterization and geologic modeling of metallic and non-metallic mineral deposits of the region.
Carries out basic and applied research on specific mineral commodity to enhance information on the development and utilization of these minerals.
Integrates and updates the technical information on various metallic and non-metallic commodities to come up with consolidated Mineral Resources Data and Maps of the region on these minerals.
Carries out the geological assessment and exploration of area for possible declaration as mineral reservations and  “Minahan Bayan”.
Carries out the mineral resources inventory of the region to focus the attention of investors and developers on the mineral-resources rich areas.

URBAN  GEOLOGY/ GEOHAZARD SECTION

Undertakes geological hazards mapping and assessment of urban areas as well as areas that are densely populated, highly developed and those that are experiencing rapid growth.
Carries out investigation of geohazard-related incidences as per request by local government units
Provides the necessary basic geologic data and information to development planners, land developers and disaster management experts.
Develops the Geographic Information (GIS) for various geological applications of the Geosciences Division and updating of the geological database systems.
Implements the regulatory functions under the Engineering Geological and Geohazard Assessment (EGGA) requirements of the ECC System for housing and other land development projects

ENVIRONMENTAL GEOLOGY & HYDROGEOLOGICAL SECTION

Carries out the groundwater resources assessment in various areas of the region to characterize the availability and vulnerability of these primary resources
Provides assistance to LGU’s and other stakeholders in identifying the viable water sources for both domestic and industrial uses.
Carries out the geological suitability assessment of possible solid waste disposal sites for development into engineered dumps or landfills.

GEOLOGICAL LABORATORY SERVICES SECTION

As geological laboratory arm of MGB-Regional Office, provides laboratory services for metallic and non-metallic mineral resource exploration and development, and geo-scientific activities.