chapter 1 Earth and the solar system -- chapter 2 Characteristics, stresses in, and strength of oceanic lithosphere -- chapter 3 Assessment of mechanisms that cause plate movements -- chapter 4 Hotspots, plumes and lithospheric thinning -- chapter 5 Geometries and mechanisms of impact structures -- chapter 6 Impacts and plate motion: the development of flood and plateau basalts and continental rifting -- chapter 7 Arcuate subduction features -- chapter 8 Periodicity, regional tracks, impact control and future risks.