книги Наука, техника, медицина Гуманитарные науки Общественные науки Социология Общая и теоретическая социология Социальные конфликты

Geology of the Grand Canyon area

Код 2325872

  • ISBN: 978-5-5105-3332-3

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High Quality Content by WIKIPEDIA articles! The geology of the Grand Canyon area exposes one of the most complete and studied sequences of rock on Earth. The nearly 40 major sedimentary rock layers exposed in the Grand Canyon and in the Grand Canyon National Park area range in age from about 200 million to nearly 2 billion years old. Most were deposited in warm, shallow seas and near ancient, long-gone sea shores in western North America. Both marine and terrestrial sediments are represented, including fossilized sand dunes from an extinct desert. There are at least 14 known unconformities in the geologic record found in the Grand Canyon area.

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ISBN: 978-5-5105-3332-3

Книга находится в категориях

Биология Здравоохранение Основы медицины, учебная литература

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