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- The Sevier orogeny was a time of active horizontal shortening and vertical thickening of the crust, which took place between 165 million and 80 million years ago during the Jurassic and Cretaceous periods123. It produced a zone of eastward-directed thrust faults and folds that represent 40 to 65 kilometres (25 to 40 miles) of crustal shortening in response to compressional forces2. The thrust faults carried their respective thrust sheets up to 50 miles of displacement and the large folds have amplitudes of 5,000 to 10,000 feet1. Similar styles and ages of thrust faults also occur in the Rocky Mountains of Montana, Canada, and Alaska4.Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.The Sevier orogeny was a time of active horizontal shortening and vertical thickening of the crust, in response to the Pacific Plate subducting beneath the North American Plate. The thrust faults carried their respective thrust sheets up to 50 miles of displacement and the large folds have amplitudes of 5,000 to 10,000 feet.www.isu.edu/digitalgeologyidaho/fold-thrust-belt/The deformation took place between 165 million and 80 million years ago during the Jurassic and Cretaceous periods. It produced a zone of eastward-directed thrust faults and folds that represent 40 to 65 kilometres (25 to 40 miles) of crustal shortening in response to compressional forces.www.britannica.com/science/Sevier-orogenyFolding and thrust faulting occurred during the Cretaceous to Paleocene Sevier Orogeny (~130-60 Ma). The Sevier Orogeny was a time of active compression, in response to the Pacific Plate subducting beneath the North American Plate.digitalgeology.aws.cose.isu.edu/Digital_Geology_I…Similar styles and ages of thrust faults also occur in the Rocky Mountains of Montana, Canada, and Alaska. The process that created this stacking up and eastward pushing of thrust-fault slabs is called the Sevier orogeny, named after the Sevier River in Utah.commons.wvc.edu/rdawes/Lectures/lect7.html
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Today Sevier faults at the surface have been broken up and tilted steeply from their original gently dipping positions due to the extension of the Basin and Range faulting. The earliest thrusts of the Sevier are located furthest west with each newer thrust cutting the older thrust. See more
The Sevier orogeny was a mountain-building event that affected western North America from northern Canada to the north to Mexico to the south.
The Sevier orogeny was the result of convergent boundary tectonic … See moreEarly Sevier thrusting began well before initial Laramide deformation. However, there is evidence that suggests late Sevier faults were active during the early Laramide. The … See more
Voluminous volcanism is also associated with the Sevier Orogeny. Volcanic activity can be observed at modern subduction zones, (such as along the west coast of South America) like the one that caused the Sevier Orogeny. Several volcanic flare-ups occurred in the … See more
The Sevier Fold and Thrust Belt extends from southern California near the Mexican border to Canada. Basin and Range faults cut the older Sevier … See more
The Sevier orogenic belt consisted of a series of thin plates along gently dipping west thrust sheets and moving from west to east. These thin … See more
Wikipedia text under CC-BY-SA license WEBThe thrust faults within much of the Sevier belt are "thin-skinned", meaning they are not very deep, and that their geometry flattens at depth and follows layers of weakness along bedding planes in Paleozoic and Proterozoic …
WEBJul 18, 2019 · Major slip on the Willard thrust from 125 to 90 Ma was synchronous with increased foreland sedimentation and hinterland crustal thickening. Fault-slip histories of dominant thrust sheets in the Sevier …
WEBAs the compressional forces declined, the Cordilleran thrust system (including the Sevier thrust belt) was left unsupported. Many of the original thrust faults “relaxed” and slid backwards (to the west).
The Role of Shortening in the Sevier Hinterland Within …
WEBApr 30, 2021 · In this study, we focus on the CNTB, which is defined as a system of north-striking, east-vergent thrust faults and folds that branches northward off of the Sevier fold-thrust belt in southern Nevada (Figure …
Mechanical Properties of the Sevier Desert …
WEBApr 19, 2018 · Compressive CCW theory suggests μD values of 0.2–0.24 for thrust faults when crustal shortening ceased in the early Paleocene. A decrease of SDD dip from a maximum of 30° to present-day inclination …
The Confusion Range, west-central Utah: Fold-thrust deformation …
Timing and structural evolution of the Sevier thrust belt, western ...
Stratigraphy and structure of the Sevier thrust belt and proximal ...
Regional structure and kinematic history of the Sevier fold-and …
Structural evolution of the Sevier fault - Keck Geology Consortium
Digital Geology of Idaho - Thrust Belt - Idaho State University
Stratigraphy and structure of the Sevier thrust belt and proximal ...
Fault-controlled pluton emplacement in the Sevier fold-and-thrust …
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Stratigraphy and structure of the Sevier thrust belt and proximal ...
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