With more than 10,000 geysers, hot springs, fumaroles, and mud pots, as well as cubic mile upon cubic mile of onceincendiary rhyolite, the landscape of Yellowstone Country vividly displays its fiery past and present. The region within Wyoming, Montana, and Idaho contains 1/5 of the world's geysers, including the most famous of them all, and is the setting of some of Earth's most destructive volcanic eruptions.The 19 road guides in Roadside Geology of Yellowstone Country fully explore this volcanic pedigree while also delivering you to sites that have recorded the region's broad and deep geologic story, which includes exquisitely preserved, 50millionyearold petrified trees buried in conglomerate; mountainsized blocks of rock that slid more than 50 miles in a massive debris avalanche; the glacially carved craggy peaks and Ushaped valleys of the Beartooth Mountains and Absaroka Range; and the Grand Canyon of the Yellowstone, the excavation of which is still a mystery.This completely revised second edition reexamines the region using the latest scientific thinking and now includes stunning fullcolor photos, maps, and diagrams.
With more than 10,000 geysers, hot springs, fumaroles, and mud pots, as well as cubic mile upon cubic mile of onceincendiary rhyolite, the landscape of Yellowstone Country vividly displays its fiery past and present. The region within Wyoming, Montana, and Idaho contains 1/5 of the world's geysers, including the most famous of them all, and is the setting of some of Earth's most destructive volcanic eruptions.The 19 road guides in Roadside Geology of Yellowstone Country fully explore this volcanic pedigree while also delivering you to sites that have recorded the region's broad and deep geologic story, which includes exquisitely preserved, 50millionyearold petrified trees buried in conglomerate; mountainsized blocks of rock that slid more than 50 miles in a massive debris avalanche; the glacially carved craggy peaks and Ushaped valleys of the Beartooth Mountains and Absaroka Range; and the Grand Canyon of the Yellowstone, the excavation of which is still a mystery.This completely revised second edition reexamines the region using the latest scientific thinking and now includes stunning fullcolor photos, maps, and diagrams.
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