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Chargement... Grand Canyon: Solving Earth's Grandest Puzzle (2005)par James Lawrence Powell
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Vast and majestic, the Grand Canyon represents one of sciences most challenging puzzles: How did this massive canyon come to be? This is the story of the search for the answers, and the first account of the consensus geologists have reached in the last few years.A scientific detective tale packed with colorful characters, Grand Canyonfollows the explorers, adventurers, and geologists whose efforts led to the understanding of the canyons mysteries. Modern scientists have revealed that the Colorado River once ran in the opposite directionand for many years flowed hundreds of feet beneath the ground. These efforts also led directly to the discovery of tectonic plates, one of the most important advancements in the history of geology. An eloquent, breathtaking narrative, Grand Canyonis a fascinating true story that is as epic as its subject. BACKCOVER: Powells well-crafted account makes one appreciate just how [the Grand Canyon] came to be so grand. Natural History Grand Canyonwill be enjoyed by anyone who is curious about how geologists think, piece together disparate information, and assemble explanations. Science What many readers will walk away with is a sense of the awesome power of water running over the surface of the earth. Kirkus Reviews Aucune description trouvée dans une bibliothèque |
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Google Books — Chargement... GenresClassification décimale de Melvil (CDD)557.9132Natural sciences and mathematics Earth sciences & geology North America West Coast U.S. ArizonaClassification de la Bibliothèque du CongrèsÉvaluationMoyenne:
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