The principal theme of this book is the idea that many features of plate boundaries and plate motion are the direct result of major bolide impacts throughout the Earth’s history. The book is in four parts. First, there is a detailed outline of plate tectonics, its mechanics, kinematics, petrology, stresses generated within plates and its possible driving mechanism(s). Secondly, there is a thorough, and excellent, treatment of large basaltic igneous provinces and the splitting of continents in relation to plumes, hotspots and lithosphere thinning. Thirdly, Price gives a quite superb analysis of the history of global impacts and their effects...

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