Earth: An Introduction to Physical Geology (12th Edition)

Published by Pearson
ISBN 10: 0134074254
ISBN 13: 978-0-13407-425-2

Chapter 14 - Section 14.5 - Fault-Block Mountains - Concept Checks - Page 434: 3

Answer

The Basin and Range province is characterized by a distinct geological structure known as horst and graben. Horsts are elongated blocks of the Earth's crust that have been uplifted, while grabens are the down-dropped blocks of crust located between the horsts. This structural pattern results from the extension of the Earth's crust and the formation of normal faults. The Basin and Range province extends over a vast area in the western United States, covering parts of Nevada, Utah, Arizona, California, and neighboring states. The region is known for its alternating series of mountain ranges and valleys, forming a distinctive landscape of elongated mountainous blocks separated by down-dropped basins.

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