- Sevier Volcanism
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 Ame… See more
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- The Sevier Thrust Fault is a major fault in southwestern Utah that breaks apart the western margin of the Colorado Plateau. It was formed during the Sevier orogeny, caused by the subduction of the oceanic Farallon Plate beneath the continental North American Plate. The fault resulted in horizontal shortening and vertical thickening of the crust, with thrust sheets displaced up to 50 miles and large folds with amplitudes of 5,000 to 10,000 feet123.
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 fault is spectacularly displayed on the north side of Utah Highway 12 at the entrance to Red Canyon, where it offsets a 500,000-year-old basaltic lava flow. The fault is one of several active, major faults that break apart the western margin of the Colorado Plateau in southwestern Utah.giw.utahgeology.org/giw/index.php/geosites/article/…The Sevier orogeny was the result of convergent boundary tectonic activity, and deformation occurred from approximately 160 million years (Ma) ago to around 50 Ma. This orogeny was caused by the subduction of the oceanic Farallon Plate underneath the continental North American Plate.en.wikipedia.org/wiki/Sevier_orogenyThe 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/ - People also ask
Sevier-Laramide fold-thrust belt | Idaho State University
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 …
Fault Slip and Exhumation History of the Willard …
WEBJul 18, 2019 · What were the ages for onset and cessation of fault slip in the western part of the Sevier fold-thrust belt at the latitude of northern Utah, and did slip rates vary temporally? What were the connections between …
The Confusion Range, west-central Utah: Fold-thrust …
WEBFeb 1, 2014 · In the eastern Confusion Range, a complex zone of imbricate thrust faults and structural attenuation (Hintze, 1974a) is part of a system of thrust faults and subsidiary folds that include the Payson Canyon and …
Knowledge of Utah Thrust System Pushes Forward
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).
Sevier orogeny | Mountain Building, Plate Tectonics & Continental ...
WEBThe 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 …
Mechanical Properties of the Sevier Desert …
WEBApr 19, 2018 · The Gunnison thrust (GT) is both the youngest and structurally lowest fault, which uses the same basal décollement inclined at β D as other thrusts (Figure 2a). The Canyon Range thrust (CRT) is in …
The Role of Shortening in the Sevier Hinterland Within …
WEBApr 30, 2021 · The Sevier fold-thrust belt is characterized by closely spaced, high-offset, east-vergent thrust-faults and associated folds that generally propagated in-sequence toward the east, and has been …
WEBTwo zones of thrust faults, the Central Nevada thrust belt and Western Utah thrust belt (Fig. 1), have been identifi ed in the Sevier hinter land, and they are interpreted as contem …
(A) Generalized geologic map of the Sevier orogenic …
WEBIn particular, the geometry and timing of deformation in the central Nevada thrust belt (CNTB), a system of east-vergent thrust faults and folds that branches northward off of the Sevier thrust...
Surface fluids in the evolving Sevier fold–thrust belt of ID–WY ...
WEBMay 1, 2019 · These basin fluids were trapped in the sedimentary units as they were over-ridden by the Sevier thrust sheets, and subsequently liberated by deformation-induced …
Tectonic evolution of the Sevier and Laramide belts within the …
WEBNov 1, 2015 · Internal deformation in the eastern thrust sheets included widespread early layer-parallel shortening (LPS), followed by concentration of slip onto weak fault zones. …
Western Mesozoic Orogenies | Historical Geology
WEBThe Sevier orogeny was an Andean-style subduction zone complete with back-arc thrust sheets. As subduction continued, the bouncy of the subducting plate caused the plate to …
Stratigraphy and structure of the Sevier thrust belt and proximal ...
WEBThis field trip, a three day, west-to-east traverse of the Sevier orogenic belt in central Utah, visits localities where timing of thrust structures is demonstrated by geometry of cross …
The Kanarra fold-thrust structure—the leading edge of the Sevier …
WEBJan 25, 2023 · The multiple origins proposed for the Kanarra anticline in southwestern Utah as a drag-fold along the Hurricane fault, a Laramide monocline, a Sevier fault …
WEBThe fault, which is interpreted by us as the Pavant thrust, rises southward ~2–3 km with respect to the base of the Sevier Desert basin. Both the Pavant thrust and a structurally …
Sevier Orogeny!: The Cordilleran Thrust System | University of …
WEBThe Sevier Orogeny is characterized by thin-skinned deformation where only the upper crust consisting of Proterozoic to Mesozoic sequences and formations accomodates …
34.1: Western Mesozoic Orogenies | Geosciences LibreTexts
WEBApr 11, 2024 · The Sevier orogeny was an Andean-style subduction zone complete with back-arc thrust sheets. As subduction continued, the bouncy of the subducting plate …
Regional structure and kinematic history of the Sevier fold-and …
WEBJul 1, 2006 · The Canyon Range thrust carries an ∼12-km-thick succession of Neoproterozoic through Triassic sedimentary rocks and is breached at the surface by …
Structural evolution of the Sevier fault | Keck Geology Consortium
WEBDec 2, 2021 · The Sevier normal fault, considered one of the most important structures in the Basin and Range province (e.g., Davis, 1999; Lund et al., 2008), is part of the …
Fault-controlled pluton emplacement in the Sevier fold-and-thrust …
WEBJun 7, 2001 · In this paper, we propose a model of magma emplacement in the southwest Montana fold-and-thrust belt that takes into account thrust fault geometry, structural …
Stratigraphy and structure of the Sevier thrust belt and proximal ...
WEBJan 1, 1997 · This field trip, a three day, west-to-east traverse of the Sevier orogenic belt in central Utah, visits localities where timing of thrust structures is demonstrated by …
