Geochemical Journal is an international journal devoted to original research papers in geochemistry and cosmochemistry. It is the primary journal of the Geochemical Society of Japan. Areas of research are as follows:

Cosmochemistry
Mineral and Rock Chemistry
Volcanology and Hydrothermal Chemistry
Isotope Geochemistry and Geochronology
Atmospheric Chemistry
Hydro- and Marine Chemistry
Organic Geochemistry
Environmental Chemistry