Research Article| April 01, 1986 Sigmoidal tidal bundles and other tide-generated sedimentary structures of the Curtis Formation, Utah R. D. KREISA; R. D. KREISA 1Mobil Research and Development Corporation, Dallas Research Laboratory, Dallas, Texas Search for other works by this author on: GSW Google Scholar R. J. MOILA R. J. MOILA 1Mobil Research and Development Corporation, Dallas Research Laboratory, Dallas, Texas Search for other works by this author on: GSW Google Scholar GSA Bulletin (1986) 97 (4): 381–387. https://doi.org/10.1130/0016-7606(1986)97<381:STBAOT>2.0.CO;2 Article history first online: 01 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 R. D. KREISA, R. J. MOILA; Sigmoidal tidal bundles and other tide-generated sedimentary structures of the Curtis Formation, Utah. GSA Bulletin 1986;; 97 (4): 381–387. doi: https://doi.org/10.1130/0016-7606(1986)97<381:STBAOT>2.0.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 SocietyGSA Bulletin Search Advanced Search Abstract The Curtis Formation in central Utah contains a rich suite of sedimentary structures that provides persuasive evidence for a tidal mode of origin. The most diagnostic of these structures are sigmoidal tidal bundles: sandstone packages deposited during one dominant tidal episode that comprise a set of large-scale cross-lamination enclosed by two relatively gently dipping, sigmoid-shaped pause planes. Bundles are especially recognizable as tidally generated features because they exhibit an internal progression, from gentle, drape-like sigmoids to avalanche-type cross-bed foresets back to sigmoidal drapes. This progression reflects the sequential change in tidal flow velocities from slack water to maximum flow back to slack water. In addition, cyclic variability in the thickness and in internal structures among tidal bundles is clearly related to periodicity in the lunar month. These features of the Curtis Formation are remarkably similar to sedimentary structures observed in Holocene tidal sediments along the Dutch North Sea coast. 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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Kreisa et al. (1986) studied this question.