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Research Article| April 01, 1988 Sevier-age ramp-style thrust faults at Cedar Mountain, northwestern San Rafael swell (Colorado Plateau), Emery County, Utah K. R. Neuhauser K. R. Neuhauser 1Department of Earth Sciences, P.O. Box 179, Fort Hays State University, Hays, Kansas 67601 Search for other works by this author on: GSW Google Scholar Author and Article Information K. R. Neuhauser 1Department of Earth Sciences, P.O. Box 179, Fort Hays State University, Hays, Kansas 67601 Publisher: Geological Society of America First Online: 02 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (1988) 16 (4): 299–302. https://doi.org/10.1130/0091-7613(1988)016<0299:SARSTF>2.3.CO;2 Article history First Online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation K. R. Neuhauser; Sevier-age ramp-style thrust faults at Cedar Mountain, northwestern San Rafael swell (Colorado Plateau), Emery County, Utah. Geology 1988;; 16 (4): 299–302. doi: https://doi.org/10.1130/0091-7613(1988)016<0299:SARSTF>2.3.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGeology Search Advanced Search Abstract Field evidence, combined with published and unpublished seismic data, supports a new, inferred, easternmost limit of Sevier thrusting during Late Cretaceous foreland deformation in east-central Utah. Imbricate thrust faults are exposed along the western margin of Cedar Mountain in the northern part of the San Rafael swell within the western bounds of the Colorado Plateau. The faults offset Jurassic Entrada, Curtis, Summerville, and Morrison formations and the Lower Cretaceous Cedar Mountain Formation. Strike separations ranging from a few metres to 564 m and stratigraphic separations of as much as 76 m are accommodated by bedding-parallel slippage along less competent shales and siltstones and by oblique ramping across more competent sandstones. Fault zones exhibit breccias, drag folds, chatter marks, and imbricate splay-faulted slivers. The kinematic mechanism appears to have been a layer-parallel shortening accomplished along nearly horizontal, nearly east-directed compression. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.
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