The whole region has been subjected to many displacements, both flexures of the monoclinal type and faults.    From Wordnik.com.  [The Cliff Ruins of Canyon de Chelly, Arizona Sixteenth Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1894-95, Government Printing Office, Washington, 1897, pages 73-198] Reference

On the east it descends four thousand feet by a monoclinal fold, which passes into a fault towards the north.    From Wordnik.com.  [The Elements of Geology] Reference

But that the trough is a true valley of fracture is proved by the fact that on either side it is bounded by fault scarps and monoclinal folds.    From Wordnik.com.  [The Elements of Geology] Reference

At sometime in the later part of the Cretaceous period the first breaks took place, changing the structure of the range from symmetrical to monoclinal and outlining the present form of the Sierra Nevada. ".    From Wordnik.com.  [The Lake of the Sky Lake Tahoe in the High Sierras of California and Nevada, its History, Indians, Discovery by Frémont, Legendary Lore, Various Namings, Physical Characteristics, Glacial Phenomena, Geology, Single Outlet, Automobile Routes, Historic Towns, Early Mining Excitements, Steamer Ride, Mineral Springs, Mountain and Lake Resorts, Trail and Camping Out Trips, Summer Residences, Fishing, Hunting, Flowers, Birds, Animals, Trees, and Chaparral, with a Full Account of the Tahoe National Forest, the Public Use of the Water of Lake Tahoe and Much Other Interesting Matter] Reference