Crustal-scale structure of the southern Rhinegraben from ECORS-DEKORP seismic reflection data

Research Article| July 01, 1991 Crustal-scale structure of the southern Rhinegraben from ECORS-DEKORP seismic reflection data J. P. Brun; J. P. Brun 1Laboratoire de lectonique, Université de Rennes, 35042 Rennes, France Search for other works by this author on: GSW Google Scholar F. Wenzel F. Wenzel 2Geophysikalisches Institut, Universität Fridericiana Karlsruhe, Hertzstrasse 16, D-7500 Karlsruhe 21, Germany Search for other works by this author on: GSW Google Scholar Author and Article Information J. P. Brun 1Laboratoire de lectonique, Université de Rennes, 35042 Rennes, France F. Wenzel 2Geophysikalisches Institut, Universität Fridericiana Karlsruhe, Hertzstrasse 16, D-7500 Karlsruhe 21, Germany Publisher: Geological Society of America First Online: 02 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (1991) 19 (7): 758–762. https://doi.org/10.1130/0091-7613(1991)019<0758:CSSOTS>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 Email Permissions Search Site Citation J. P. Brun, F. Wenzel; Crustal-scale structure of the southern Rhinegraben from ECORS-DEKORP seismic reflection data. Geology 1991;; 19 (7): 758–762. doi: https://doi.org/10.1130/0091-7613(1991)019<0758:CSSOTS>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 Two seismic lines with a total length of 207 km were shot in 1988 by the French and German deep reflection seismic groups (ECORS and DEKORP) across the Rhinegraben. The southern profile shows the following characteristics. (1) The Moho discontinuity is marked by a strong reflector, except beneath the eastern part of the graben and at the western end of the profile. Its depth is only 8 s (two-way traveltime) below the graben and increases progressively to 10 s below the Lorraine basin. (2) The layered lower crust reveals strong variations in the seismic signature and apparent thickness. (3) East-dipping reflectors in the middle crust may be attributed to Variscan features. (4) The Lorraine basin is characterized by Carboniferous and Permian-Triassic strata onlapping the Vosges crystafline basement. (5) The Rhinegraben is markedly asymmetric, possibly owing to extensional movement along a listric shear zone, which appears to merge at depth with a flat-lying detachment in the ductile lower crust. The Oligocene sedimentary infill was controlled by an east-dipping normal fault whose vertical throw is about 3 km. 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.