Goldschmidt is the foremost annual, international conference on geochemistry and related subjects, organized by the European Association of Geochemistry and the Geochemical Society. See: https://www.geochemsoc.org/
See: https://www.eag.eu.com/
On this site you will find links to all the abstracts (author searchable) from all the Goldschmidt Conferences since the year 2000 (here).
Example: 2011 Conference (here).