chapter 1 Introduction -- chapter 2 Earth as a Microbial Habitat -- chapter 3 Origin of Life and Its Early History -- chapter 4 Lithosphere as Microbial Habitat -- chapter 5 The Hydrosphere as Microbial Habitat -- chapter 6 Geomicrobial Processes -- chapter 7 Nonmolecular Methods in Geomicrobiology -- chapter 8 Molecular Methods in Geomicrobiology -- chapter 9 Microbial Formation and Degradation of Carbonates -- chapter 10 Geomicrobial Interactions with Silicon -- chapter 11 Geomicrobiology of Aluminum -- chapter 12 Geomicrobial Interactions with Phosphorus -- chapter 13 Geomicrobially Important Interactions with Nitrogen -- chapter 14 Geomicrobial Interactions with Arsenic and Antimony -- chapter 15 Geomicrobiology of Mercury -- chapter 16 Geomicrobiology of Iron -- chapter 17 Geomicrobiology of Manganese -- chapter 18 Geomicrobial Interactions with Chromium, Molybdenum, Vanadium, Uranium, Polonium, and Plutonium -- chapter 19 Geomicrobiology of Sulfur -- chapter 20 Biogenesis and Biodegradation of Sulfide Minerals at Earth's Surface -- chapter 21 Geomicrobiology of Selenium and Tellurium -- chapter 22 Geomicrobiology of Fossil Fuels.