The Earth's Aggregate Physical and Chemical State -- Introduction to Thermodynamics -- Solutions and Simple Phase Relations -- Mineral Chemistry -- Aqueous Solutions -- Chemistry of Natural Waters -- Chemistry of Igneous Rocks -- Chemical Controls on Soil Formation, Diagenesis, Metamorphism, and Hydrothermal Ore Deposition -- Radioactive Isotope Geochemistry -- Stable Isotope Geochemistry -- Surface Sorption Geochemistry -- Chemical Kinetics -- Oxidation and Reduction -- Organic Geochemistry -- Atmospheric Chemistry.