The mission of the Geological Association of Canada is to facilitate the scientific well-being and professional development of its members, the learned discussion of geoscience in Canada, and the advancement, dissemination and wise use of geoscience in public, professional and academic life.

The vision of the GAC is a geoscience community, which is knowledgeable, professionally competent and respected, whose input and advice are relevant, widely sought and utilized, and whose vital contribution to the economic prosperity and social well being of the nation is widely acknowledged.