GEOCHIMICA ET COSMOCHIMICA ACTA《地球化学与宇宙化学学报》(半月刊)。Geochimica et Cosmochimica Acta publishes research papers in a wide range of subjects in terrestrial geochemistry, meteoritics, and planetary geochemistry. The scope of the journal includes:Physical chemistry of gases, aqueous solutions, glasses, and crystalline solids;Igneous and metamorphic petrology;Chemical processes in the atmosphere, hydrosphere, biosphere, and lithosphere of the Earth;Organic geochemistry;Isotope geochemistry;Meteoritics and meteorite impacts;Lunar science; and Planetary geochemistry.