Research Article| October 01, 1993 Traction structures in deep-marine, bottom-current-reworked sands in the Pliocene and Pleistocene, Gulf of Mexico G. Shanmugam; G. Shanmugam 1Mobil Research and Development Corporation, P.O. Box 650232, Dallas, Texas 75265-0232 Search for other works by this author on: GSW Google Scholar T. D. Spalding; T. D. Spalding 2Mobil New Business Development, Europe/Africa/Russia, P.O. Box 650232, Dallas, Texas 75265-0232 Search for other works by this author on: GSW Google Scholar D. H. Rofheart D. H. Rofheart 2Mobil New Business Development, Europe/Africa/Russia, P.O. Box 650232, Dallas, Texas 75265-0232 Search for other works by this author on: GSW Google Scholar Geology (1993) 21 (10): 929–932. https://doi.org/10.1130/0091-7613(1993)021<0929:TSIDMB>2.3.CO;2 Article history first online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share MailTo Twitter LinkedIn Tools Icon Tools Get Permissions Search Site Citation G. Shanmugam, T. D. Spalding, D. H. Rofheart; Traction structures in deep-marine, bottom-current-reworked sands in the Pliocene and Pleistocene, Gulf of Mexico. Geology 1993;; 21 (10): 929–932. doi: https://doi.org/10.1130/0091-7613(1993)021<0929:TSIDMB>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 The Pliocene-Pleistocene sequence cored in the Ewing Bank and Garden Banks areas in the Gulf of Mexico provides an example of deep-marine sand reworked by bottom currents. A distinctive attribute of these sands is their traction structures, which include cross-stratification, current ripples, and horizontal lamination. These sands also exhibit sharp upper contacts, inverse size grading, mud offshoots, and flaser bedding. An important aspect of these structures is their occurrence in discrete units, but not as part of a vertical sequence of structures, such as the Bouma sequence. Presumably, the Loop Current, a strong, wind-driven surface current in the Gulf of Mexico, impinged on the sea bottom, as it does today, and resulted in bottom-current-reworked sands. A depositional model is proposed in which the bottom-current-reworked sands tend to develop a facies in interchannel slope areas that is distinctly different from channel-levee turbidite facies. 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.