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Find Your Science at GSA

The Geological Society of America® (GSA), founded in 1888, is a nonprofit organization dedicated to the advancement of the geosciences. Learn about the Society's history (1898 presidential address). GSA Headquarters is in Boulder, Colorado: 3300 Penrose Place, Boulder, Colorado, 80301-9140, USA. Learn more about GSA's on-of-a-kind, award-winning building via our visitor's guide (PDF). As an expanding global membership society, GSA currently has more than 25,000 members in more than 100 countries.

Primary Activities

  • Organizing scientific meetings and conferences
  • Publishing scientific journals and books
  • Disbursing research grants
  • Bestowing medals and awards
  • Supporting geoscience teachers
  • Enabling students from diverse backgrounds to seek and maintain careers in the geosciences
  • Fostering public awareness of geoscience issues

Membership Categories

  • Professionals
  • Early Career Professonals
  • Students
  • K–12 Teachers
  • Afilliates

[ Learn more about GSA membership ]


  • GSA Bulletin
  • Geology
  • Geosphere
  • Lithosphere
  • GSA Today
  • Memoirs
  • Special Papers

[ Learn more about GSA's publications ]


  • Annual Meetings
  • Section Meetings
  • Penrose Conferences
  • Thompson Field Forums
  • Specialty Meetings

[ Learn more about GSA's meetings ]

Multidiscipinary and Regional Connections

  • Regional Sections
  • Specialty Divisions
  • Associated Societies
  • Interdisciplinary Interest Groups

[ Multidisciplinary connections | Regional sections ]