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Plate tectonics can drift continents and push up mountains, but what drives the plates? This is an insider's account of how we answered questions posed over two centuries ago, and completed geology's quest for a driving mechanism. Forging through confusing evidence, apparent contradictions and raging debates we arrived at not one but two mechanisms: sinking plates and rising plumes.
Sommario
Chapter 1. Deep Earth and deep time, big ideas and big egos.- Chapter 2. The accidental geophysicist.- Chapter 3. A propitious time.- Chapter 4. Water, heat, time, mountains.- Chapter 5. Yielding rocks.- Chapter 6. Vagrant continents.- Chapter 7. Like nothing we've seen before.- Chapter 8. Novel ideas: plates and plumes.- Chapter 9. But what is the driving mechanism?.- Chapter 10. Chemistry and egos muscle in.- Chapter 11. Making it a science?.- Chapter 12. Some clarity: two convection modes, interacting.- Chapter 13. Earth's lessons: humility, power and science.- Chapter 14. Some chemical clarifying.- Chapter 15. Too noble?.- Chapter 16. Perspective; Imperfect but better than shouting.
Info autore
Dr. Geoff Davies is a retired geophysicist with degrees from Monash University in Australia and the California Institute of Technology. He was a postdoctoral fellow at Harvard University and held several academic positions, concluding at the Australian National University. He has published two scientific books and over 100 scientific papers. His work focusses on mantle dynamics and related topics, as well as the interaction of mantle convection and the thermal evolution of the earth's interior, which controls the tectonic evolution of the earth.
