chapter 1 Introduction -- chapter 2 The Earth as a Microbial Habitat -- chapter 3 The Origin of Life and Its Early History -- chapter 4 The Lithosphere as a Microbial Habitat -- chapter 5 The Hydrosphere as a Microbial Habitat -- chapter 6 Geomicrobial Processes -- chapter 7 Methods in Geomicrobiology -- chapter 8 Microbial Formation and Degradation of Carbonates -- chapter 9 Geomicrobial Interactions with Silicon -- chapter 10 Geomicrobiology of Aluminum: Microbes and Bauxite -- chapter 11 Geomicrobial Interactions with Phosphorus -- chapter 12 Geomicrobially Important Interactions with Nitrogen -- chapter 13 Geomicrobial Interactions with Arsenic and Antimony -- chapter 14 Geomicrobiology of Mercury -- chapter 15 Geomicrobiology of Iron -- chapter 16 Geomicrobiology of Manganese -- chapter 17 Geomicrobial Interactions with Chromium, Molybdenum, Vanadium, Uranium, and Polonium -- chapter 18 Geomicrobiology of Sulfur -- chapter 19 Biogenesis and Biodegradation of Sulfide Minerals at the Earth’s Surface -- chapter 20 Geomicrobiology of Selenium and Tellurium -- chapter 21 Geomicrobiology of Fossil Fuels.