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Deep seismic reflection profiling in the Swiss Alps: Explosion seismology results for line NFP 20-East
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1988
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EngineeringSeismic WaveLine NfpEarthquake HazardsEarth ScienceSwiss AlpsExplosionsGeophysicsSeismic StratigraphyEarthquake SourceExplosion Seismology ResultsGeodesyNeotectonicsEarthquake EngineeringInduced SeismicitySeismic ImagingGeographyGeologyTectonicsSwitzerland SearchSeismologySeismic Reflection ProfilingCivil EngineeringEarth Sciences
Research Article| November 01, 1988 Deep seismic reflection profiling in the Swiss Alps: Explosion seismology results for line NFP 20-East O. A. Pfiffner; O. A. Pfiffner 1Institut für Geophysik, ETH-Hönggerberg, CH-8092 Zürich, Switzerland Search for other works by this author on: GSW Google Scholar W. Frei; W. Frei 1Institut für Geophysik, ETH-Hönggerberg, CH-8092 Zürich, Switzerland Search for other works by this author on: GSW Google Scholar P. Finckh; P. Finckh 1Institut für Geophysik, ETH-Hönggerberg, CH-8092 Zürich, Switzerland Search for other works by this author on: GSW Google Scholar P. Valasek P. Valasek 1Institut für Geophysik, ETH-Hönggerberg, CH-8092 Zürich, Switzerland Search for other works by this author on: GSW Google Scholar Geology (1988) 16 (11): 987–990. https://doi.org/10.1130/0091-7613(1988)016<0987:DSRPIT>2.3.CO;2 Article history first online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Twitter LinkedIn Tools Icon Tools Get Permissions Search Site Citation O. A. Pfiffner, W. Frei, P. Finckh, P. Valasek; Deep seismic reflection profiling in the Swiss Alps: Explosion seismology results for line NFP 20-East. Geology 1988;; 16 (11): 987–990. doi: https://doi.org/10.1130/0091-7613(1988)016<0987:DSRPIT>2.3.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu nav search search input Search input auto suggest search filter All ContentBy SocietyGeology Search Advanced Search Abstract In September 1986, a 120-km-long seismic line was recorded through the Swiss Alps. The line traverses major units involved in thin- and thick-skinned Alpine tectonics. Our preliminary interpretation indicates that (1) lithologic boundaries such as basement-cover contacts, although severely deformed during the Alpine orogeny, can be identified on the seismic sections; (2) the top of the Aar massif, an external basement massif, extends deep into the Alpine orogen; (3) the upper and lower parts of the crust are more or less transparent, but are separated by a swarm of reflectors at mid-crustal level; (4) these mid-crustal reflectors might be related to trapped fluids from Alpine metamorphism; and (5) the Moho appears as a bright reflection that steepens from the north toward the south and terminates abruptly near the center of the Alpine chain, perhaps because of Alpine deformation. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not currently have access to this article.