An international non-profit organization of meteorite and small solar system body researchers. Membership information, list of upcoming meetings, newsletters, and links to members and related organizations.

Non-profit international society encompassing all aspects of geochemistry. Publisher of The Geochemical News, and co-sponsor of the research journals Geochimica et Cosmochimica Acta, and Reviews in Mineralogy and Geochemistry. Information on membership, up-coming conferences, and contact information for all Society members.

An international association based in The Hague, the EAOG publishes the academic journal Organic Geochemistry. Membership information, schedules of meetings, and a newsletter archive.

This group promotes international cooperation in the mineralogical sciences by organizing meetings and field excursions and by sponsoring publications of mineralogical interest. Provides lists of individual national member groups, working research groups, council members, and bylaws.