If you want to major in Geochemistry, then you should consider attending California Institute of Technology! This institution grants around 3 degrees at the Masters degree level in Geochemistry every year.
Some top jobs related to Geochemistry, include Geoscientists, Except Hydrologists and Geographers and Chemistry Teachers, Postsecondary, both of which have lots of job openings. Though there are positions that pay more, such as Natural Sciences Managers. the most in-demand position for Geochemistry majors is Natural Sciences Managers.