دانلود کتاب Canyonlands Country: Geology of Canyonlands and Arches National Parks

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An easy-to-read geological history of the amazing red rock landscapes in southeastern Utah.Towering red buttes, plunging canyon walls, domes, pinnacles, spires, ten thousand strangely carved forms—what visitor hasn’t marveled at the land of rock in southeastern Utah that is Canyonlands Country?Canyonlands Country offers a unique geological history of this awesome landscape, in language understandable by the non-geologist. The story is as strange and fascinating as the land itself. Each exposed rock layer has a different geologic history: one is a stream deposit, another is an ancient field of dunes, another was deposited by shallow tropic seas. The Green and Colorado Rivers began carving canyons thirty million years ago, but to understand such relatively recent events Canyonlands Country takes us on a journey of two billion years.Tours include Arches National Park, Island in the Sky, Needles District, The Maze and Elaterite Basin, Labyrinth and Stillwater Canyons, Meander Canyon, and Cataract Canyon.