べいこくちしつがっかい 米国地質学会 LinksSentence search for 米国地質学会Sentence search for べいこくちしつがっかいKanji details for 米, 国, 地, 質, 学 and 会Edit in JMdict Noun1. Geological Society of America; GSAOrganization nameOrganization2. Geological Society of America; GSA Discussions Log in to talk about this word.